{ "id": "prod-sirena-yachts-1793293411720", "slug": "sirena-48", "name": "Sirena 48", "entityType": "PRODUCT", "category": "Luxury Motor Yachts", "shortDescription": "The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.", "detailedDescription": "The Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.", "price": "Commercial RFQ / Direct Inquiry", "currency": "EUR", "pricingModel": "Direct Manufacturer Quotation", "warranty": "Standard Marine Manufacturer Warranty", "incoterms": "EXW Istanbul", "leadTime": "According to production schedule", "minOrderQty": "1 Vessel", "availability": "AVAILABLE ON ORDER / NEWBUILD", "specifications": [ { "label": "Fuel Tank Capacity (Diesel)", "value": "1,900 L / 502 US gal" }, { "label": "Cruising Range (@ 10 kn, 10% res.)", "value": "477 NM" }, { "label": "Length (LOA)", "value": "16.04 m / 52' 7½\"" }, { "label": "Maximum Speed", "value": "24 knots (27 knots with opt. engines)" }, { "label": "Aft Deck Configuration 4", "value": "Open Aft Deck (maximum open floor space)" }, { "label": "Aft Deck Configuration 1", "value": "Large Storage Locker (water toys & gear)" }, { "label": "Light Craft Mass (MLCC - QSM 11)", "value": "24.90 tonnes / 54,895 lbs" }, { "label": "Light Craft Mass (MLCC - QSB 6.7)", "value": "23.42 tonnes / 51,632 lbs" }, { "label": "Standard Engines", "value": "2 x Cummins QSB 6.7 (550 HP)" }, { "label": "Hull Type / Material", "value": "Semi-Displacement / GRP & Carbon" }, { "label": "Hull Beam (B - ISO 8666)", "value": "5.00 m / 16' 5\"" }, { "label": "Aft Deck Configuration 2", "value": "Foldable Seat on Platform + Storage" }, { "label": "Cruising Speed", "value": "16 knots" }, { "label": "Styling & Concept", "value": "Sirena Marine" }, { "label": "Loaded Displacement (QSM 11 - Opt.)", "value": "28.25 tonnes / 62,281 lbs" }, { "label": "Cabins", "value": "3 Standard + 1 Crew (Optional)" }, { "label": "Loaded Displacement (QSB 6.7)", "value": "26.74 tonnes / 58,952 lbs" }, { "label": "Aft Deck Configuration 3", "value": "Dedicated Crew Quarters (berth & head)" }, { "label": "Length Overall (LOA - Incl. platform)", "value": "16.04 m / 52' 7½\"" }, { "label": "Waterline Length (LWL Full Load)", "value": "13.77 m / 45' 2\"" }, { "label": "Economy Cruising Speed", "value": "10 knots" }, { "label": "Black Water Tank Capacity", "value": "300 L / 79 US gal" }, { "label": "Marine Gear (Standard)", "value": "ZF 280 IV (Ratio: 2.0:1)" }, { "label": "Beam / Width", "value": "5.00 m / 16' 5\"" }, { "label": "Fresh Water Tank Capacity", "value": "600 L / 159 US gal" }, { "label": "Gray Water Tank Capacity", "value": "240 L / 63 US gal" }, { "label": "Optional Engines", "value": "2 x Cummins QSM 11 (670 HP)" }, { "label": "Max Draft (T - ISO 8666)", "value": "1.06 m / 3' 6\"" }, { "label": "Design Draft", "value": "1.06 m / 3' 6\"" }, { "label": "Naval Architect", "value": "German Frers" }, { "label": "Berths", "value": "6 Guests + 1 Crew" }, { "label": "Transmission / Max Propeller", "value": "V-Drive / 700 mm (2' 3.5\")" }, { "label": "Marine Gear (Optional)", "value": "ZF 325 IV (Ratio: 2.037:1)" }, { "label": "Heads / Bathrooms", "value": "2 Guest + 1 Crew Head" }, { "label": "Hull Length (LH - ISO 8666)", "value": "13.79 m / 45' 3\"" }, { "label": "Service Speed / RPM", "value": "24 knots (27 knots with opt. engines)" }, { "label": "Model & Seri", "value": "Sirena 48" }, { "label": "Tekne Tipi", "value": "Semi-Displacement Lüks Motor Yat / Trawler" }, { "label": "Tam Boy (LOA)", "value": "15.96 m (52' 4\")" }, { "label": "Genişlik (Beam)", "value": "5.00 m (16' 5\")" }, { "label": "Maksimum Su Çekimi (Draft)", "value": "1.15 m (3' 9\")" }, { "label": "Deplasman (Boş / Yüklü)", "value": "24.5 Ton / 28 Ton" }, { "label": "Ana Motor Seçenekleri", "value": "2x Volvo Penta D8 / IPS 650 (550 HP)" }, { "label": "Maksimum Hız", "value": "27 Knot" }, { "label": "Ekonomik Seyir Hızı", "value": "16 - 20 Knot" }, { "label": "Yakıt Kapasitesi", "value": "1,900 Litre" }, { "label": "Temiz Su Kapasitesi", "value": "600 Litre" }, { "label": "Kabin / Yatak Sayısı", "value": "3 Lüks Kabin (Master, VIP, Twin) + Mürettebat" }, { "label": "Klas & Seyir Sınıfı", "value": "CE Category A (Okyanus / Açık Deniz)" }, { "label": "Gövde İnşa Malzemesi", "value": "Vakum İnfüzyon Vinilester / Karbon Hibrit Takviyeli" } ], "certifications": [ "CE Category B", "CE Category A (Ocean)", "ISO 12217 Small Craft Stability", "RINA Green Plus Yacht Certification" ], "standards": [ "ISO 8666 (Small Craft - Principal Data)", "ISO 12215 Hull Construction", "ABYC Marine Standards" ], "applications": [ "Offshore Cruising", "Coastal Navigation", "Luxury Private Yachting", "Extended Liveaboard Travel", "Marine Leisure & Water Sports" ], "operationalBoundaries": [ "Offshore Cruising", "Coastal Navigation", "Luxury Private Yachting", "Extended Liveaboard Travel", "Marine Leisure & Water Sports", "Açık Deniz ve Kıyı Seyirleri (CE Kategori A)", "Lüks Özel Mülkiyet ve Aile Seyirleri", "Kiralama & Ticari Yatçılık Operasyonları" ], "sealId": "MW-SEAL-SIRENA-375707", "sealHash": "sha256-2bd48b681a188a1af5c", "sealStatus": "VERIFIED", "sealedAt": "2026-10-29T17:07:39.996Z", "okfVersion": "OKF-v2.5", "fullOkfMarkdown": "---\nokf_version: \"1.0\"\ndocument_id: \"okf-offering-prod-sirena-yachts-1793293411720\"\ntitle: \"Sirena 48\"\nentity_type: \"PRODUCT\"\ncompany_id: \"sirena-yachts\"\ncompany_slug: \"\"\noffering_id: \"prod-sirena-yachts-1793293411720\"\noffering_slug: \"sirena-48\"\nknowledge_catalog_seal:\n sealed: true\n seal_id: \"MW-SEAL-SIRENA-375707\"\n sealed_at: \"2026-10-29T17:07:39.996Z\"\n hash_sha256: \"sha256-2bd48b681a188a1af5c\"\n authority: \"Google Knowledge Catalog / MarineWorld Trust Layer\"\n status: \"VERIFIED\"\nlineage:\n source_origin: \"GOOGLE_DRIVE\"\n original_file_name: \"Sirena_48_Technical_Specifications (1).pdf\"\n ingested_at: \"2026-10-29T17:07:39.996Z\"\n enrichment_engine: \"Gemini-3.6-Flash / OKF-Enrichment-Agent\"\nconfidence_score: 0.99\nclassifications:\n - \"TECHNICAL\"\ncertifications:\n - \"CE Category B\"\nstandards:\n - \"ISO 8666 (Small Craft - Principal Data)\"\ncommercial:\n price: \".\"\n currency: \"EUR\"\n pricing_model: \"UPON_REQUEST\"\ngrounding_rules:\n hallucination_prevention: \"STRICT_SEALED\"\n allow_external_inference: false\n auto_sync_with_drive: true\n---\n\n# Sirena 48\n\n## 1. Executive Overview\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\n\n## 2. Technical Specifications & Verified Parameters\n\n| Parameter | Value | Unit | Category | Confidence |\n| :--- | :--- | :--- | :--- | :--- |\n| Aft Deck Configuration 1 | Large Storage Locker (water toys & gear) | - | GENERAL | 98% |\n| Aft Deck Configuration 2 | Foldable Seat on Platform + Storage | - | GENERAL | 98% |\n| Aft Deck Configuration 3 | Dedicated Crew Quarters (berth & head) | - | GENERAL | 98% |\n| Aft Deck Configuration 4 | Open Aft Deck (maximum open floor space) | - | GENERAL | 98% |\n| Beam / Width | 5.00 m / 16' 5\" | - | GENERAL | 98% |\n| Berths | 6 Guests + 1 Crew | - | GENERAL | 98% |\n| Black Water Tank Capacity | 300 L / 79 US gal | - | GENERAL | 98% |\n| Cabins | 3 Standard + 1 Crew (Optional) | - | GENERAL | 98% |\n| Cruising Range (@ 10 kn, 10% res.) | 477 NM | - | GENERAL | 98% |\n| Cruising Speed | 16 knots | - | GENERAL | 98% |\n| Design Draft | 1.06 m / 3' 6\" | - | GENERAL | 98% |\n| Economy Cruising Speed | 10 knots | - | GENERAL | 98% |\n| Fresh Water Tank Capacity | 600 L / 159 US gal | - | GENERAL | 98% |\n| Fuel Tank Capacity (Diesel) | 1,900 L / 502 US gal | - | GENERAL | 98% |\n| Gray Water Tank Capacity | 240 L / 63 US gal | - | GENERAL | 98% |\n| Heads / Bathrooms | 2 Guest + 1 Crew Head | - | GENERAL | 98% |\n| Hull Beam (B - ISO 8666) | 5.00 m / 16' 5\" | - | GENERAL | 98% |\n| Hull Length (LH - ISO 8666) | 13.79 m / 45' 3\" | - | GENERAL | 98% |\n| Hull Type / Material | Semi-Displacement / GRP & Carbon | - | GENERAL | 98% |\n| Length (LOA) | 16.04 m / 52' 7½\" | - | GENERAL | 98% |\n| Length Overall (LOA - Incl. platform) | 16.04 m / 52' 7½\" | - | GENERAL | 98% |\n| Light Craft Mass (MLCC - QSB 6.7) | 23.42 tonnes / 51,632 lbs | - | GENERAL | 98% |\n| Light Craft Mass (MLCC - QSM 11) | 24.90 tonnes / 54,895 lbs | - | GENERAL | 98% |\n| Loaded Displacement (QSB 6.7) | 26.74 tonnes / 58,952 lbs | - | GENERAL | 98% |\n| Loaded Displacement (QSM 11 - Opt.) | 28.25 tonnes / 62,281 lbs | - | GENERAL | 98% |\n| Marine Gear (Optional) | ZF 325 IV (Ratio: 2.037:1) | - | GENERAL | 98% |\n| Marine Gear (Standard) | ZF 280 IV (Ratio: 2.0:1) | - | GENERAL | 98% |\n| Max Draft (T - ISO 8666) | 1.06 m / 3' 6\" | - | GENERAL | 98% |\n| Maximum Speed | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |\n| Naval Architect | German Frers | - | GENERAL | 98% |\n| Optional Engines | 2 x Cummins QSM 11 (670 HP) | - | GENERAL | 98% |\n| Service Speed / RPM | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |\n| Standard Engines | 2 x Cummins QSB 6.7 (550 HP) | - | GENERAL | 98% |\n| Styling & Concept | Sirena Marine | - | GENERAL | 98% |\n| Transmission / Max Propeller | V-Drive / 700 mm (2' 3.5\") | - | GENERAL | 98% |\n| Waterline Length (LWL Full Load) | 13.77 m / 45' 2\" | - | GENERAL | 98% |\n| Dimension: beam | 5.00 m / 16' 5\" | - | PHYSICAL | 98% |\n| Dimension: draft | 1.06 m / 3' 6\" | - | PHYSICAL | 98% |\n| Dimension: length | 16.04 m / 52' 7½\" | - | PHYSICAL | 98% |\n| Dimension: speed | 24 knots (27 knots with opt. engines) | - | PHYSICAL | 98% |\n\n## 3. Compliance, Class Standards & Accreditations\n\n- **Verified Certification**: CE Category B\n\n## 4. Engineering Standards & Regulatory Directives\n\n- **Standard**: ISO 8666 (Small Craft - Principal Data)\n\n## 5. Ingested PDF Technical Datasheets & Source Records\n\n### 5.1 Sirena 48 Technical Specifications (1)\n- **File**: `Sirena_48_Technical_Specifications (1).pdf` (0.8 MB)\n- **Summary**: The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\n\n```text\nSirena 48\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\nThe Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacem\n...[truncated]\n```\n\n## 6. Visual Media & Verified Figures\n\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293443328_3nfuq_Ekran_Resmi_2026-10-27_21.09.31.png?alt=media&token=7d8ab5e2-5f8e-4dc0-a6fb-efa37d4ec027)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293500952_hqhzq_Ekran_Resmi_2026-10-27_21.08.07.png?alt=media&token=4b60c45e-b1f7-4bf1-8aad-52e90d84d36b)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293511425_fuqps_Ekran_Resmi_2026-10-27_21.08.27.png?alt=media&token=7a4f5e7d-e801-49ae-8603-1291706615cc)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293537718_mwmwm_Ekran_Resmi_2026-10-27_21.09.51.png?alt=media&token=2c063d4c-a8d9-464a-a507-20c7e01ac8ea)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293582780_hhi2n_Ekran_Resmi_2026-10-27_21.11.51.png?alt=media&token=6ff0cc42-468d-4eb6-b692-8b8b56370a77)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293595192_382hb_Ekran_Resmi_2026-10-27_21.12.46.png?alt=media&token=fcd7b07e-a3ae-4db3-9693-cf4fed54fae2)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293569576_yg5go_Ekran_Resmi_2026-10-27_21.11.32.png?alt=media&token=2c268416-fb2b-4cd5-b8b7-81ebc056f11c)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293608811_cxqcu_Ekran_Resmi_2026-10-27_21.13.23.png?alt=media&token=d3699870-b473-4a09-9b55-9b063cf1cdc4)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293553185_xl1r0_Ekran_Resmi_2026-10-27_21.11.10.png?alt=media&token=9c9fb89b-65e6-4ce2-8bb2-676259c4afff)\n\n## 7. Commercial Framework & Delivery Terms\n\n- **Base Price**: . EUR\n- **Pricing Model**: UPON_REQUEST\n\n## 8. Operational Boundaries & Application Scope\n\n- Offshore Cruising\n- Coastal Navigation\n- Luxury Private Yachting\n- Extended Liveaboard Travel\n- Marine Leisure & Water Sports\n\n## 9. Google Knowledge Catalog Lineage & Trust Verification\n\n- **Seal ID**: `MW-SEAL-SIRENA-375707`\n- **Digest**: `sha256-2bd48b681a188a1af5c`\n- **Source Origin**: `GOOGLE_DRIVE` (Sirena_48_Technical_Specifications (1).pdf)\n- **Verification Authority**: Google Knowledge Catalog / MarineWorld Trust Layer", "extractedTexts": [ { "fileName": "source-1793293381903-0", "text": "Sirena 48\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\nThe Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacement (QSB 6.7): 26.74 tonnes / 58,952 lbs\n- Loaded Displacement (QSM 11 - Opt.): 28.25 tonnes / 62,281 lbs\n- Light Craft Mass (MLCC - QSB 6.7): 23.42 tonnes / 51,632 lbs\n- Light Craft Mass (MLCC - QSM 11): 24.90 tonnes / 54,895 lbs\n- Fuel Tank Capacity (Diesel): 1,900 L / 502 US gal\n- Fresh Water Tank Capacity: 600 L / 159 US gal\n- Black Water Tank Capacity: 300 L / 79 US gal\n- Gray Water Tank Capacity: 240 L / 63 US gal\n- Cabins: 3 Standard + 1 Crew (Optional)\n- Berths: 6 Guests + 1 Crew\n- Heads / Bathrooms: 2 Guest + 1 Crew Head\n- Hull Type / Material: Semi-Displacement / GRP & Carbon\n- Standard Engines: 2 x Cummins QSB 6.7 (550 HP)\n- Optional Engines: 2 x Cummins QSM 11 (670 HP)\n- Marine Gear (Standard): ZF 280 IV (Ratio: 2.0:1)\n- Marine Gear (Optional): ZF 325 IV (Ratio: 2.037:1)\n- Transmission / Max Propeller: V-Drive / 700 mm (2' 3.5\")\n- Maximum Speed: 24 knots (27 knots with opt. engines)\n- Cruising Speed: 16 knots\n- Economy Cruising Speed: 10 knots\n- Cruising Range (@ 10 kn, 10% res.): 477 NM\n- Aft Deck Configuration 1: Large Storage Locker (water toys & gear)\n- Aft Deck Configuration 2: Foldable Seat on Platform + Storage\n- Aft Deck Configuration 3: Dedicated Crew Quarters (berth & head)\n- Aft Deck Configuration 4: Open Aft Deck (maximum open floor space)\n- Naval Architect: German Frers\n- Styling & Concept: Sirena Marine\n\nApplications:\nOffshore Cruising, Coastal Navigation, Luxury Private Yachting, Extended Liveaboard Travel, Marine Leisure & Water Sports\n\nCertifications & Standards:\nCE Category B, ISO 8666 (Small Craft - Principal Data)" } ], "coverImage": "https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293443328_3nfuq_Ekran_Resmi_2026-10-27_21.09.31.png?alt=media&token=7d8ab5e2-5f8e-4dc0-a6fb-efa37d4ec027", "raw": { "sortOrder": 6, "canonicalUrl": "https://marineworld.city/products/sirena-48", "companyId": "sirena-yachts", "standards": [ "ISO 8666 (Small Craft - Principal Data)" ], "groundingStatus": "AI READY", "offeringId": "prod-sirena-yachts-1793293411720", "primaryImage": "https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293443328_3nfuq_Ekran_Resmi_2026-10-27_21.09.31.png?alt=media&token=7d8ab5e2-5f8e-4dc0-a6fb-efa37d4ec027", "currency": "EUR", "coverImage": "https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293443328_3nfuq_Ekran_Resmi_2026-10-27_21.09.31.png?alt=media&token=7d8ab5e2-5f8e-4dc0-a6fb-efa37d4ec027", "category": "Luxury Motor Yachts", "commercialInformation": { "incoterms": "EXW Istanbul", "pricingGuidance": "Standard technical specification. 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resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacement (QSB 6.7): 26.74 tonnes / 58,952 lbs\n- Loaded Displacement (QSM 11 - Opt.): 28.25 tonnes / 62,281 lbs\n- Light Craft Mass (MLCC - QSB 6.7): 23.42 tonnes / 51,632 lbs\n- Light Craft Mass (MLCC - QSM 11): 24.90 tonnes / 54,895 lbs\n- Fuel Tank Capacity (Diesel): 1,900 L / 502 US gal\n- Fresh Water Tank Capacity: 600 L / 159 US gal\n- Black Water Tank Capacity: 300 L / 79 US gal\n- Gray Water Tank Capacity: 240 L / 63 US gal\n- Cabins: 3 Standard + 1 Crew (Optional)\n- Berths: 6 Guests + 1 Crew\n- Heads / Bathrooms: 2 Guest + 1 Crew Head\n- Hull Type / Material: Semi-Displacement / GRP & Carbon\n- Standard Engines: 2 x Cummins QSB 6.7 (550 HP)\n- Optional Engines: 2 x Cummins QSM 11 (670 HP)\n- Marine Gear (Standard): ZF 280 IV (Ratio: 2.0:1)\n- Marine Gear (Optional): ZF 325 IV (Ratio: 2.037:1)\n- Transmission / Max Propeller: V-Drive / 700 mm (2' 3.5\")\n- Maximum Speed: 24 knots (27 knots with opt. engines)\n- Cruising Speed: 16 knots\n- Economy Cruising Speed: 10 knots\n- Cruising Range (@ 10 kn, 10% res.): 477 NM\n- Aft Deck Configuration 1: Large Storage Locker (water toys & gear)\n- Aft Deck Configuration 2: Foldable Seat on Platform + Storage\n- Aft Deck Configuration 3: Dedicated Crew Quarters (berth & head)\n- Aft Deck Configuration 4: Open Aft Deck (maximum open floor space)\n- Naval Architect: German Frers\n- Styling & Concept: Sirena Marine\n\nApplications:\nOffshore Cruising, Coastal Navigation, Luxury Private Yachting, Extended Liveaboard Travel, Marine Leisure & Water Sports\n\nCertifications & Standards:\nCE Category B, ISO 8666 (Small Craft - Principal Data)", "summary": "The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.", "contentExcerpt": "The Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. 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It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacement (QSB 6.7): 26.74 tonnes / 58,952 lbs\n- Loaded Displacement (QSM 11 - Opt.): 28.25 tonnes / 62,281 lbs\n- Light Craft Mass (MLCC - QSB 6.7): 23.42 tonnes / 51,632 lbs\n- Light Craft Mass (MLCC - QSM 11): 24.90 tonnes / 54,895 lbs\n- Fuel Tank Capacity (Diesel): 1,900 L / 502 US gal\n- Fresh Water Tank Capacity: 600 L / 159 US gal\n- Black Water Tank Capacity: 300 L / 79 US gal\n- Gray Water Tank Capacity: 240 L / 63 US gal\n- Cabins: 3 Standard + 1 Crew (Optional)\n- Berths: 6 Guests + 1 Crew\n- Heads / Bathrooms: 2 Guest + 1 Crew Head\n- Hull Type / Material: Semi-Displacement / GRP & Carbon\n- Standard Engines: 2 x Cummins QSB 6.7 (550 HP)\n- Optional Engines: 2 x Cummins QSM 11 (670 HP)\n- Marine Gear (Standard): ZF 280 IV (Ratio: 2.0:1)\n- Marine Gear (Optional): ZF 325 IV (Ratio: 2.037:1)\n- Transmission / Max Propeller: V-Drive / 700 mm (2' 3.5\")\n- Maximum Speed: 24 knots (27 knots with opt. engines)\n- Cruising Speed: 16 knots\n- Economy Cruising Speed: 10 knots\n- Cruising Range (@ 10 kn, 10% res.): 477 NM\n- Aft Deck Configuration 1: Large Storage Locker (water toys & gear)\n- Aft Deck Configuration 2: Foldable Seat on Platform + Storage\n- Aft Deck Configuration 3: Dedicated Crew Quarters (berth & head)\n- Aft Deck Configuration 4: Open Aft Deck (maximum open floor space)\n- Naval Architect: German Frers\n- Styling & Concept: Sirena Marine\n\nApplications:\nOffshore Cruising, Coastal Navigation, Luxury Private Yachting, Extended Liveaboard Travel, Marine Leisure & Water Sports\n\nCertifications & Standards:\nCE Category B, ISO 8666 (Small Craft - Principal Data)", "summary": "The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.", "confidence": 99, "origin": "GOOGLE_DRIVE", "description": "Sirena 48 verified engineering document record." } ], "confidenceScore": 0.99, "operationalBoundaries": [ "Offshore Cruising", "Coastal Navigation", "Luxury Private Yachting", "Extended Liveaboard Travel", "Marine Leisure & Water Sports" ], "summaryText": "The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.", "technicalBlueprint": { "datum": "Baseline (BL) // AP", "drawingNumber": "DWG-NAVAL-3D-GA", "approvalClass": "DNV +1A1 / IMO Tier III", "drawings": [], "customDimensions": { "beam": "5.00 m / 16' 5\"", "draft": "1.06 m / 3' 6\"", "length": "16.04 m / 52' 7½\"", "speed": "24 knots (27 knots with opt. engines)" }, "modelArchetype": "vessel", "scale": "1:100 Metric", "enabled": false }, "serviceScope": [], "coverage": [], "deliveryModel": "", "entityType": "PRODUCT", "rawMarkdownBody": "Sirena 48\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\nThe Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacement (QSB 6.7): 26.74 tonnes / 58,952 lbs\n- Loaded Displacement (QSM 11 - Opt.): 28.25 tonnes / 62,281 lbs\n- Light Craft Mass (MLCC - QSB 6.7): 23.42 tonnes / 51,632 lbs\n- Light Craft Mass (MLCC - QSM 11): 24.90 tonnes / 54,895 lbs\n- Fuel Tank Capacity (Diesel): 1,900 L / 502 US gal\n- Fresh Water Tank Capacity: 600 L / 159 US gal\n- Black Water Tank Capacity: 300 L / 79 US gal\n- Gray Water Tank Capacity: 240 L / 63 US gal\n- Cabins: 3 Standard + 1 Crew (Optional)\n- 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Liveaboard Travel, Marine Leisure & Water Sports\n\nCertifications & Standards:\nCE Category B, ISO 8666 (Small Craft - Principal Data)", "certifications": [ "CE Category B" ], "offeringId": "prod-sirena-yachts-1793293411720", "tags": [ "OKF", "Google-Knowledge-Catalog" ], "standards": [ "ISO 8666 (Small Craft - Principal Data)" ], "classifications": [ "TECHNICAL" ], "companyId": "sirena-yachts", "commercialParameters": { "pricingModel": "UPON_REQUEST", "warrantyPeriod": "Standard Marine Manufacturer Warranty", "minimumOrderQuantity": "1 Vessel", "price": ".", "currency": "EUR", "paymentTerms": "EXW Istanbul" }, "offeringSlug": "sirena-48", "okfVersion": "1.0", "companySlug": "", "documentId": "okf-offering-prod-sirena-yachts-1793293411720", "customAttributes": [], "lineage": { "originalFileName": "Sirena_48_Technical_Specifications (1).pdf", "sourceOrigin": "GOOGLE_DRIVE", "enrichmentEngine": "Gemini-3.6-Flash / OKF-Enrichment-Agent", "mimeType": "application/pdf", "ingestedBy": 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\"Gemini-3.6-Flash / OKF-Enrichment-Agent\"\nconfidence_score: 0.99\nclassifications:\n - \"TECHNICAL\"\ncertifications:\n - \"CE Category B\"\nstandards:\n - \"ISO 8666 (Small Craft - Principal Data)\"\ncommercial:\n price: \".\"\n currency: \"EUR\"\n pricing_model: \"UPON_REQUEST\"\ngrounding_rules:\n hallucination_prevention: \"STRICT_SEALED\"\n allow_external_inference: false\n auto_sync_with_drive: true\n---\n\n# Sirena 48\n\n## 1. Executive Overview\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\n\n## 2. Technical Specifications & Verified Parameters\n\n| Parameter | Value | Unit | Category | Confidence |\n| :--- | :--- | :--- | :--- | :--- |\n| Aft Deck Configuration 1 | Large Storage Locker (water toys & gear) | - | GENERAL | 98% |\n| Aft Deck Configuration 2 | Foldable Seat on Platform + Storage | - | GENERAL | 98% |\n| Aft Deck Configuration 3 | Dedicated Crew Quarters (berth & head) | - | GENERAL | 98% |\n| Aft Deck Configuration 4 | Open Aft Deck (maximum open floor space) | - | GENERAL | 98% |\n| Beam / Width | 5.00 m / 16' 5\" | - | GENERAL | 98% |\n| Berths | 6 Guests + 1 Crew | - | GENERAL | 98% |\n| Black Water Tank Capacity | 300 L / 79 US gal | - | GENERAL | 98% |\n| Cabins | 3 Standard + 1 Crew (Optional) | - | GENERAL | 98% |\n| Cruising Range (@ 10 kn, 10% res.) | 477 NM | - | GENERAL | 98% |\n| Cruising Speed | 16 knots | - | GENERAL | 98% |\n| Design Draft | 1.06 m / 3' 6\" | - | GENERAL | 98% |\n| Economy Cruising Speed | 10 knots | - | GENERAL | 98% |\n| Fresh Water Tank Capacity | 600 L / 159 US gal | - | GENERAL | 98% |\n| Fuel Tank Capacity (Diesel) | 1,900 L / 502 US gal | - | GENERAL | 98% |\n| Gray Water Tank Capacity | 240 L / 63 US gal | - | GENERAL | 98% |\n| Heads / Bathrooms | 2 Guest + 1 Crew Head | - | GENERAL | 98% |\n| Hull Beam (B - ISO 8666) | 5.00 m / 16' 5\" | - | GENERAL | 98% |\n| Hull Length (LH - ISO 8666) | 13.79 m / 45' 3\" | - | GENERAL | 98% |\n| Hull Type / Material | Semi-Displacement / GRP & Carbon | - | GENERAL | 98% |\n| Length (LOA) | 16.04 m / 52' 7½\" | - | GENERAL | 98% |\n| Length Overall (LOA - Incl. platform) | 16.04 m / 52' 7½\" | - | GENERAL | 98% |\n| Light Craft Mass (MLCC - QSB 6.7) | 23.42 tonnes / 51,632 lbs | - | GENERAL | 98% |\n| Light Craft Mass (MLCC - QSM 11) | 24.90 tonnes / 54,895 lbs | - | GENERAL | 98% |\n| Loaded Displacement (QSB 6.7) | 26.74 tonnes / 58,952 lbs | - | GENERAL | 98% |\n| Loaded Displacement (QSM 11 - Opt.) | 28.25 tonnes / 62,281 lbs | - | GENERAL | 98% |\n| Marine Gear (Optional) | ZF 325 IV (Ratio: 2.037:1) | - | GENERAL | 98% |\n| Marine Gear (Standard) | ZF 280 IV (Ratio: 2.0:1) | - | GENERAL | 98% |\n| Max Draft (T - ISO 8666) | 1.06 m / 3' 6\" | - | GENERAL | 98% |\n| Maximum Speed | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |\n| Naval Architect | German Frers | - | GENERAL | 98% |\n| Optional Engines | 2 x Cummins QSM 11 (670 HP) | - | GENERAL | 98% |\n| Service Speed / RPM | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |\n| Standard Engines | 2 x Cummins QSB 6.7 (550 HP) | - | GENERAL | 98% |\n| Styling & Concept | Sirena Marine | - | GENERAL | 98% |\n| Transmission / Max Propeller | V-Drive / 700 mm (2' 3.5\") | - | GENERAL | 98% |\n| Waterline Length (LWL Full Load) | 13.77 m / 45' 2\" | - | GENERAL | 98% |\n| Dimension: beam | 5.00 m / 16' 5\" | - | PHYSICAL | 98% |\n| Dimension: draft | 1.06 m / 3' 6\" | - | PHYSICAL | 98% |\n| Dimension: length | 16.04 m / 52' 7½\" | - | PHYSICAL | 98% |\n| Dimension: speed | 24 knots (27 knots with opt. engines) | - | PHYSICAL | 98% |\n\n## 3. Compliance, Class Standards & Accreditations\n\n- **Verified Certification**: CE Category B\n\n## 4. Engineering Standards & Regulatory Directives\n\n- **Standard**: ISO 8666 (Small Craft - Principal Data)\n\n## 5. Ingested PDF Technical Datasheets & Source Records\n\n### 5.1 Sirena 48 Technical Specifications (1)\n- **File**: `Sirena_48_Technical_Specifications (1).pdf` (0.8 MB)\n- **Summary**: The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\n\n```text\nSirena 48\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\nThe Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacem\n...[truncated]\n```\n\n## 6. Visual Media & Verified Figures\n\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293443328_3nfuq_Ekran_Resmi_2026-10-27_21.09.31.png?alt=media&token=7d8ab5e2-5f8e-4dc0-a6fb-efa37d4ec027)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293500952_hqhzq_Ekran_Resmi_2026-10-27_21.08.07.png?alt=media&token=4b60c45e-b1f7-4bf1-8aad-52e90d84d36b)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293511425_fuqps_Ekran_Resmi_2026-10-27_21.08.27.png?alt=media&token=7a4f5e7d-e801-49ae-8603-1291706615cc)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293537718_mwmwm_Ekran_Resmi_2026-10-27_21.09.51.png?alt=media&token=2c063d4c-a8d9-464a-a507-20c7e01ac8ea)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293582780_hhi2n_Ekran_Resmi_2026-10-27_21.11.51.png?alt=media&token=6ff0cc42-468d-4eb6-b692-8b8b56370a77)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293595192_382hb_Ekran_Resmi_2026-10-27_21.12.46.png?alt=media&token=fcd7b07e-a3ae-4db3-9693-cf4fed54fae2)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293569576_yg5go_Ekran_Resmi_2026-10-27_21.11.32.png?alt=media&token=2c268416-fb2b-4cd5-b8b7-81ebc056f11c)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293608811_cxqcu_Ekran_Resmi_2026-10-27_21.13.23.png?alt=media&token=d3699870-b473-4a09-9b55-9b063cf1cdc4)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293553185_xl1r0_Ekran_Resmi_2026-10-27_21.11.10.png?alt=media&token=9c9fb89b-65e6-4ce2-8bb2-676259c4afff)\n\n## 7. Commercial Framework & Delivery Terms\n\n- **Base Price**: . EUR\n- **Pricing Model**: UPON_REQUEST\n\n## 8. Operational Boundaries & Application Scope\n\n- Offshore Cruising\n- Coastal Navigation\n- Luxury Private Yachting\n- Extended Liveaboard Travel\n- Marine Leisure & Water Sports\n\n## 9. 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price: \"850000\"\n currency: \"EUR\"\n pricing_model: \"STARTING_FROM\"\n lead_time_days: 4\ngrounding_rules:\n hallucination_prevention: \"STRICT_SEALED\"\n allow_external_inference: false\n auto_sync_with_drive: false\n---\n\n# Sirena 48\n\n## 1. Executive Overview\nSirena 48 için Sirena-48.pdf dökümanından çıkarılmış doğrulanmış teknik şartname özeti.\n\n## 2. Technical Specifications & Verified Parameters\n\n| Parameter | Value | Unit | Category | Confidence |\n| :--- | :--- | :--- | :--- | :--- |\n| Model & Seri | Sirena 48 | - | GENERAL | 98% |\n| Tekne Tipi | Semi-Displacement Lüks Motor Yat / Trawler | - | GENERAL | 98% |\n| Tam Boy (LOA) | 15.96 m (52' 4\") | - | GENERAL | 98% |\n| Genişlik (Beam) | 5.00 m (16' 5\") | - | GENERAL | 98% |\n| Maksimum Su Çekimi (Draft) | 1.15 m (3' 9\") | - | GENERAL | 98% |\n| Deplasman (Boş / Yüklü) | 24.5 Ton / 28 Ton | - | GENERAL | 98% |\n| Ana Motor Seçenekleri | 2x Volvo Penta D8 / IPS 650 (550 HP) | - | GENERAL | 98% |\n| Maksimum Hız | 27 Knot | - | GENERAL | 98% |\n| Ekonomik Seyir Hızı | 16 - 20 Knot | - | GENERAL | 98% |\n| Yakıt Kapasitesi | 1,900 Litre | - | GENERAL | 98% |\n| Temiz Su Kapasitesi | 600 Litre | - | GENERAL | 98% |\n| Kabin / Yatak Sayısı | 3 Lüks Kabin (Master, VIP, Twin) + Mürettebat | - | GENERAL | 98% |\n| Klas & Seyir Sınıfı | CE Category A (Okyanus / Açık Deniz) | - | GENERAL | 98% |\n| Gövde İnşa Malzemesi | Vakum İnfüzyon Vinilester / Karbon Hibrit Takviyeli | - | GENERAL | 98% |\n| Dimension: length | 15.96 m (52' 4\") | - | PHYSICAL | 98% |\n| Dimension: beam | 5.00 m (16' 5\") | - | PHYSICAL | 98% |\n| Dimension: draft | 1.15 m (3' 9\") | - | PHYSICAL | 98% |\n| Dimension: speed | 27 Knot | - | PHYSICAL | 98% |\n\n## 3. Compliance, Class Standards & Accreditations\n\n- **Verified Certification**: CE Category A (Ocean)\n- **Verified Certification**: ISO 12217 Small Craft Stability\n- **Verified Certification**: RINA Green Plus Yacht Certification\n\n## 4. Engineering Standards & Regulatory Directives\n\n- **Standard**: ISO 12215 Hull Construction\n- **Standard**: ABYC Marine Standards\n\n## 5. Ingested PDF Technical Datasheets & Source Records\n\n### 5.1 Sirena 48\n- **File**: `Sirena-48.pdf` (2.4 MB)\n- **Summary**: Sirena 48 engineering specification.\n\n## 7. Commercial Framework & Delivery Terms\n\n- **Base Price**: 850000 EUR\n- **Pricing Model**: STARTING_FROM\n- **Standard Lead Time**: 4 days\n\n## 8. Operational Boundaries & Application Scope\n\n- Açık Deniz ve Kıyı Seyirleri (CE Kategori A)\n- Lüks Özel Mülkiyet ve Aile Seyirleri\n- Kiralama & Ticari Yatçılık Operasyonları\n\n## 9. 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It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. 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\"okf-offering-prod-sirena-yachts-1793293411720\"\ntitle: \"Sirena 48\"\nentity_type: \"PRODUCT\"\ncompany_id: \"sirena-yachts\"\ncompany_slug: \"\"\noffering_id: \"prod-sirena-yachts-1793293411720\"\noffering_slug: \"sirena-48\"\nknowledge_catalog_seal:\n sealed: true\n seal_id: \"MW-SEAL-SIRENA-375707\"\n sealed_at: \"2026-10-29T17:07:39.996Z\"\n hash_sha256: \"sha256-2bd48b681a188a1af5c\"\n authority: \"Google Knowledge Catalog / MarineWorld Trust Layer\"\n status: \"VERIFIED\"\nlineage:\n source_origin: \"GOOGLE_DRIVE\"\n original_file_name: \"Sirena_48_Technical_Specifications (1).pdf\"\n ingested_at: \"2026-10-29T17:07:39.996Z\"\n enrichment_engine: \"Gemini-3.6-Flash / OKF-Enrichment-Agent\"\nconfidence_score: 0.99\nclassifications:\n - \"TECHNICAL\"\ncertifications:\n - \"CE Category B\"\nstandards:\n - \"ISO 8666 (Small Craft - Principal Data)\"\ncommercial:\n price: \".\"\n currency: \"EUR\"\n pricing_model: \"UPON_REQUEST\"\ngrounding_rules:\n hallucination_prevention: \"STRICT_SEALED\"\n allow_external_inference: false\n auto_sync_with_drive: true\n---\n\n# Sirena 48\n\n## 1. Executive Overview\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\n\n## 2. Technical Specifications & Verified Parameters\n\n| Parameter | Value | Unit | Category | Confidence |\n| :--- | :--- | :--- | :--- | :--- |\n| Aft Deck Configuration 1 | Large Storage Locker (water toys & gear) | - | GENERAL | 98% |\n| Aft Deck Configuration 2 | Foldable Seat on Platform + Storage | - | GENERAL | 98% |\n| Aft Deck Configuration 3 | Dedicated Crew Quarters (berth & head) | - | GENERAL | 98% |\n| Aft Deck Configuration 4 | Open Aft Deck (maximum open floor space) | - | GENERAL | 98% |\n| Beam / Width | 5.00 m / 16' 5\" | - | GENERAL | 98% |\n| Berths | 6 Guests + 1 Crew | - | GENERAL | 98% |\n| Black Water Tank Capacity | 300 L / 79 US gal | - | GENERAL | 98% |\n| Cabins | 3 Standard + 1 Crew (Optional) | - | GENERAL | 98% |\n| Cruising Range (@ 10 kn, 10% res.) | 477 NM | - | GENERAL | 98% |\n| Cruising Speed | 16 knots | - | GENERAL | 98% |\n| Design Draft | 1.06 m / 3' 6\" | - | GENERAL | 98% |\n| Economy Cruising Speed | 10 knots | - | GENERAL | 98% |\n| Fresh Water Tank Capacity | 600 L / 159 US gal | - | GENERAL | 98% |\n| Fuel Tank Capacity (Diesel) | 1,900 L / 502 US gal | - | GENERAL | 98% |\n| Gray Water Tank Capacity | 240 L / 63 US gal | - | GENERAL | 98% |\n| Heads / Bathrooms | 2 Guest + 1 Crew Head | - | GENERAL | 98% |\n| Hull Beam (B - ISO 8666) | 5.00 m / 16' 5\" | - | GENERAL | 98% |\n| Hull Length (LH - ISO 8666) | 13.79 m / 45' 3\" | - | GENERAL | 98% |\n| Hull Type / Material | Semi-Displacement / GRP & Carbon | - | GENERAL | 98% |\n| Length (LOA) | 16.04 m / 52' 7½\" | - | GENERAL | 98% |\n| Length Overall (LOA - Incl. platform) | 16.04 m / 52' 7½\" | - | GENERAL | 98% |\n| Light Craft Mass (MLCC - QSB 6.7) | 23.42 tonnes / 51,632 lbs | - | GENERAL | 98% |\n| Light Craft Mass (MLCC - QSM 11) | 24.90 tonnes / 54,895 lbs | - | GENERAL | 98% |\n| Loaded Displacement (QSB 6.7) | 26.74 tonnes / 58,952 lbs | - | GENERAL | 98% |\n| Loaded Displacement (QSM 11 - Opt.) | 28.25 tonnes / 62,281 lbs | - | GENERAL | 98% |\n| Marine Gear (Optional) | ZF 325 IV (Ratio: 2.037:1) | - | GENERAL | 98% |\n| Marine Gear (Standard) | ZF 280 IV (Ratio: 2.0:1) | - | GENERAL | 98% |\n| Max Draft (T - ISO 8666) | 1.06 m / 3' 6\" | - | GENERAL | 98% |\n| Maximum Speed | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |\n| Naval Architect | German Frers | - | GENERAL | 98% |\n| Optional Engines | 2 x Cummins QSM 11 (670 HP) | - | GENERAL | 98% |\n| Service Speed / RPM | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |\n| Standard Engines | 2 x Cummins QSB 6.7 (550 HP) | - | GENERAL | 98% |\n| Styling & Concept | Sirena Marine | - | GENERAL | 98% |\n| Transmission / Max Propeller | V-Drive / 700 mm (2' 3.5\") | - | GENERAL | 98% |\n| Waterline Length (LWL Full Load) | 13.77 m / 45' 2\" | - | GENERAL | 98% |\n| Dimension: beam | 5.00 m / 16' 5\" | - | PHYSICAL | 98% |\n| Dimension: draft | 1.06 m / 3' 6\" | - | PHYSICAL | 98% |\n| Dimension: length | 16.04 m / 52' 7½\" | - | PHYSICAL | 98% |\n| Dimension: speed | 24 knots (27 knots with opt. engines) | - | PHYSICAL | 98% |\n\n## 3. Compliance, Class Standards & Accreditations\n\n- **Verified Certification**: CE Category B\n\n## 4. Engineering Standards & Regulatory Directives\n\n- **Standard**: ISO 8666 (Small Craft - Principal Data)\n\n## 5. Ingested PDF Technical Datasheets & Source Records\n\n### 5.1 Sirena 48 Technical Specifications (1)\n- **File**: `Sirena_48_Technical_Specifications (1).pdf` (0.8 MB)\n- **Summary**: The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\n\n```text\nSirena 48\nThe Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.\nThe Sirena 48 is engineered with advanced build technology, utilizing a resin-infused vacuum-bagged composite sandwich with carbon-fiber reinforcement for exceptional stiffness and durability. It offers a versatile layout with multiple aft deck configurations and a choice of Cummins propulsion systems. The yacht features a spacious three-stateroom interior including a full-beam master, a VIP bow stateroom, and a twin guest cabin, complemented by a large flybridge and a hydraulic swim platform for tender operations.\n\nTechnical Specifications:\n- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½\"\n- Hull Length (LH - ISO 8666): 13.79 m / 45' 3\"\n- Waterline Length (LWL Full Load): 13.77 m / 45' 2\"\n- Hull Beam (B - ISO 8666): 5.00 m / 16' 5\"\n- Max Draft (T - ISO 8666): 1.06 m / 3' 6\"\n- Loaded Displacem\n...[truncated]\n```\n\n## 6. Visual Media & Verified Figures\n\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293443328_3nfuq_Ekran_Resmi_2026-10-27_21.09.31.png?alt=media&token=7d8ab5e2-5f8e-4dc0-a6fb-efa37d4ec027)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293500952_hqhzq_Ekran_Resmi_2026-10-27_21.08.07.png?alt=media&token=4b60c45e-b1f7-4bf1-8aad-52e90d84d36b)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293511425_fuqps_Ekran_Resmi_2026-10-27_21.08.27.png?alt=media&token=7a4f5e7d-e801-49ae-8603-1291706615cc)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293537718_mwmwm_Ekran_Resmi_2026-10-27_21.09.51.png?alt=media&token=2c063d4c-a8d9-464a-a507-20c7e01ac8ea)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293582780_hhi2n_Ekran_Resmi_2026-10-27_21.11.51.png?alt=media&token=6ff0cc42-468d-4eb6-b692-8b8b56370a77)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293595192_382hb_Ekran_Resmi_2026-10-27_21.12.46.png?alt=media&token=fcd7b07e-a3ae-4db3-9693-cf4fed54fae2)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293569576_yg5go_Ekran_Resmi_2026-10-27_21.11.32.png?alt=media&token=2c268416-fb2b-4cd5-b8b7-81ebc056f11c)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293608811_cxqcu_Ekran_Resmi_2026-10-27_21.13.23.png?alt=media&token=d3699870-b473-4a09-9b55-9b063cf1cdc4)\n- ![Sirena 48](https://firebasestorage.googleapis.com/v0/b/uphi-marineworld.firebasestorage.app/o/companies%2Fsirena-yachts%2Fofferings%2Fprod-sirena-yachts-1793293411720%2F1793293553185_xl1r0_Ekran_Resmi_2026-10-27_21.11.10.png?alt=media&token=9c9fb89b-65e6-4ce2-8bb2-676259c4afff)\n\n## 7. Commercial Framework & Delivery Terms\n\n- **Base Price**: . EUR\n- **Pricing Model**: UPON_REQUEST\n\n## 8. Operational Boundaries & Application Scope\n\n- Offshore Cruising\n- Coastal Navigation\n- Luxury Private Yachting\n- Extended Liveaboard Travel\n- Marine Leisure & Water Sports\n\n## 9. Google Knowledge Catalog Lineage & Trust Verification\n\n- **Seal ID**: `MW-SEAL-SIRENA-375707`\n- **Digest**: `sha256-2bd48b681a188a1af5c`\n- **Source Origin**: `GOOGLE_DRIVE` (Sirena_48_Technical_Specifications (1).pdf)\n- **Verification Authority**: Google Knowledge Catalog / MarineWorld Trust Layer", "knowledgeCatalogSeal": { "sealed": true, "authority": "Google Knowledge Catalog / MarineWorld Trust Layer", "verifiedBy": "MarineWorld OKF Ingestion Engine v2.0", "version": 1, "status": "VERIFIED", "sealId": "MW-SEAL-SIRENA-375707", "sealedAt": "2026-10-29T17:07:39.996Z", "hashSha256": "sha256-2bd48b681a188a1af5c" } }, "versionHistory": [ { "versionNumber": 1, "title": "Sirena 48", "summary": "The Sirena 48 is a high-performance semi-displacement motor yacht featuring naval architecture by German Frers and styling by Sirena Marine, designed for efficiency and luxury.", "updatedBy": "OKF Enrichment Agent", "updatedAt": "2026-10-29T17:07:39.996Z" } ], "updatedAt": "2026-10-29T17:07:39.996Z" }, { "id": "okf-sirena-yachts-1793186956105-744", "fileReferences": [], "metadata": { "lineage": { "originalFileName": "Sirena 48 Technical Specifications (1)", "sourceOrigin": "GOOGLE_DRIVE", "enrichmentEngine": "Gemini-3.6-Flash / OKF-Enrichment-Agent", "ingestedAt": "2026-10-28T11:29:16.105Z", "mimeType": "application/pdf", "ingestedBy": "MarineWorld OKF Enrichment Agent" }, "knowledgeCatalogSeal": { "sealId": "MW-SEAL-SIRENA-185023", "sealed": true, "authority": "Google Knowledge Catalog / MarineWorld Trust Layer", "sealedAt": "2026-10-28T11:29:16.105Z", "verifiedBy": "MarineWorld OKF Ingestion Engine v2.0", "version": 1, "hashSha256": "sha256-63cd20481a18245834f", "status": "VERIFIED" }, "certifications": [], "specifications": [], "sourceDocuments": [], "standards": [], "confidenceScore": 0.95, "mediaReferences": [], "operationalBoundaries": [], "fullOkfMarkdown": "---\nokf_version: \"1.0\"\ndocument_id: \"okf-sirena-yachts-1793186956105-744\"\ntitle: \"Sirena 48 Technical Specifications (1)\"\nentity_type: \"PRODUCT\"\ncompany_id: \"sirena-yachts\"\ncompany_slug: \"\"\nknowledge_catalog_seal:\n sealed: true\n seal_id: \"MW-SEAL-SIRENA-185023\"\n sealed_at: \"2026-10-28T11:29:16.105Z\"\n hash_sha256: \"sha256-63cd20481a18245834f\"\n authority: \"Google Knowledge Catalog / MarineWorld Trust Layer\"\n status: \"VERIFIED\"\nlineage:\n source_origin: \"GOOGLE_DRIVE\"\n original_file_name: \"Sirena 48 Technical Specifications (1)\"\n ingested_at: \"2026-10-28T11:29:16.105Z\"\n enrichment_engine: \"Gemini-3.6-Flash / OKF-Enrichment-Agent\"\nconfidence_score: 0.95\nclassifications:\n - \"TECHNICAL\"\ncertifications:\ngrounding_rules:\n hallucination_prevention: \"STRICT_SEALED\"\n allow_external_inference: false\n auto_sync_with_drive: true\n---\n\n# Sirena 48 Technical Specifications (1)\n\n## 1. Executive Overview\n%PDF-1.3\n%�߬�\n3 0 obj\n<>\nendobj\n4 0 obj\n<<\n/Length 123\n>>\nstream\n0.5670000000000001 w\n0 G\nq\n549.9256692913385223 0 0 669.800474586453106 22.677165354330711 149.4123600592160983 cm\n/I0 Do\nQ\nendstream\nendobj\n1 0 obj\n<>\nendobj\n5 0 obj\n<<\n/Type /Font\n/BaseFont /Helvetica\n/Subtype /Type1\n/Encoding /WinAnsiEncoding\n/FirstChar 32\n/LastChar 255\n>>\n\n\n## 9. 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\"TECHNICAL\"\ncertifications:\n - \"CE Category A (Ocean)\"\n - \"ISO 12217 Small Craft Stability\"\n - \"RINA Green Plus Yacht Certification\"\nstandards:\n - \"ISO 12215 Hull Construction\"\n - \"ABYC Marine Standards\"\ncommercial:\n price: \"850000\"\n currency: \"EUR\"\n pricing_model: \"STARTING_FROM\"\n lead_time_days: 4\ngrounding_rules:\n hallucination_prevention: \"STRICT_SEALED\"\n allow_external_inference: false\n auto_sync_with_drive: false\n---\n\n# Sirena 48\n\n## 1. Executive Overview\nSirena 48 için Sirena-48.pdf dökümanından çıkarılmış doğrulanmış teknik şartname özeti.\n\n## 2. Technical Specifications & Verified Parameters\n\n| Parameter | Value | Unit | Category | Confidence |\n| :--- | :--- | :--- | :--- | :--- |\n| Model & Seri | Sirena 48 | - | GENERAL | 98% |\n| Tekne Tipi | Semi-Displacement Lüks Motor Yat / Trawler | - | GENERAL | 98% |\n| Tam Boy (LOA) | 15.96 m (52' 4\") | - | GENERAL | 98% |\n| Genişlik (Beam) | 5.00 m (16' 5\") | - | GENERAL | 98% |\n| Maksimum Su Çekimi (Draft) | 1.15 m (3' 9\") | - | GENERAL | 98% |\n| Deplasman (Boş / Yüklü) | 24.5 Ton / 28 Ton | - | GENERAL | 98% |\n| Ana Motor Seçenekleri | 2x Volvo Penta D8 / IPS 650 (550 HP) | - | GENERAL | 98% |\n| Maksimum Hız | 27 Knot | - | GENERAL | 98% |\n| Ekonomik Seyir Hızı | 16 - 20 Knot | - | GENERAL | 98% |\n| Yakıt Kapasitesi | 1,900 Litre | - | GENERAL | 98% |\n| Temiz Su Kapasitesi | 600 Litre | - | GENERAL | 98% |\n| Kabin / Yatak Sayısı | 3 Lüks Kabin (Master, VIP, Twin) + Mürettebat | - | GENERAL | 98% |\n| Klas & Seyir Sınıfı | CE Category A (Okyanus / Açık Deniz) | - | GENERAL | 98% |\n| Gövde İnşa Malzemesi | Vakum İnfüzyon Vinilester / Karbon Hibrit Takviyeli | - | GENERAL | 98% |\n| Dimension: length | 15.96 m (52' 4\") | - | PHYSICAL | 98% |\n| Dimension: beam | 5.00 m (16' 5\") | - | PHYSICAL | 98% |\n| Dimension: draft | 1.15 m (3' 9\") | - | PHYSICAL | 98% |\n| Dimension: speed | 27 Knot | - | PHYSICAL | 98% |\n\n## 3. Compliance, Class Standards & Accreditations\n\n- **Verified Certification**: CE Category A (Ocean)\n- **Verified Certification**: ISO 12217 Small Craft Stability\n- **Verified Certification**: RINA Green Plus Yacht Certification\n\n## 4. Engineering Standards & Regulatory Directives\n\n- **Standard**: ISO 12215 Hull Construction\n- **Standard**: ABYC Marine Standards\n\n## 5. Ingested PDF Technical Datasheets & Source Records\n\n### 5.1 Sirena 48\n- **File**: `Sirena-48.pdf` (2.4 MB)\n- **Summary**: Sirena 48 engineering specification.\n\n## 7. Commercial Framework & Delivery Terms\n\n- **Base Price**: 850000 EUR\n- **Pricing Model**: STARTING_FROM\n- **Standard Lead Time**: 4 days\n\n## 8. Operational Boundaries & Application Scope\n\n- Açık Deniz ve Kıyı Seyirleri (CE Kategori A)\n- Lüks Özel Mülkiyet ve Aile Seyirleri\n- Kiralama & Ticari Yatçılık Operasyonları\n\n## 9. Google Knowledge Catalog Lineage & Trust Verification\n\n- **Seal ID**: `MW-SEAL-SIRENA-726234`\n- **Digest**: `sha256-4576e1811a17fafd902`\n- **Source Origin**: `LOCAL_UPLOAD` (Sirena-48.pdf)\n- **Verification Authority**: Google Knowledge Catalog / MarineWorld Trust Layer", "commercialParameters": { "pricingModel": "STARTING_FROM", "warrantyPeriod": "5 Yıl Gövde / 2 Yıl Kapsamlı Üretici Garantisi", "minimumOrderQuantity": "1 Unit", "price": "850000", "currency": "EUR", "leadTimeDays": 4, "paymentTerms": "EXW / FOB Shipyard Gate" }, "summaryText": "Sirena 48 için Sirena-48.pdf dökümanından çıkarılmış doğrulanmış teknik şartname özeti.", "okfVersion": "1.0", "technicalBlueprint": { "datum": "Baseline (BL) // AP", "drawingNumber": "DWG-NAVAL-3D-GA", "approvalClass": "DNV +1A1 / IMO Tier III", "drawings": [], "customDimensions": { "beam": "5.00 m (16' 5\")", "depth": "", "diameter": "", "draft": "1.15 m (3' 9\")", "length": "15.96 m (52' 4\")", "weight": "", "power": "", "deadweight": "", "speed": "27 Knot", "height": "" }, "modelArchetype": "vessel", "scale": "1:100 Metric", "enabled": false }, "isOKF": true }, "productId": "offering-1793143593218", "visibility": "PUBLIC", "documentType": "TECHNICAL_SPEC", "groundingStatus": "GROUNDED", "businessId": "sirena-yachts", "groundingEligible": true, "title": "Sirena 48", "createdAt": "2026-10-27T23:26:33.218Z", "companyId": "sirena-yachts", "createdBy": "OKF Enrichment Agent", "sourceType": "UPLOAD", "serviceId": "offering-1793143593218", "status": "PUBLISHED", "updatedBy": "SIRENA YACHTS", "versionHistory": [ { "summary": "Sirena 48 için Sirena-48.pdf dökümanından çıkarılmış doğrulanmış teknik şartname özeti.", "updatedBy": "OKF Enrichment Agent", "title": "Sirena 48", "versionNumber": 1, "updatedAt": "2026-10-27T23:26:33.218Z" }, { "versionNumber": 2, "title": "Sirena 48", "summary": "Grounding enabled: restored to active AI retrieval", "updatedBy": "SIRENA YACHTS", "updatedAt": "2026-11-03T15:35:22.240Z" } ], "version": 2, "updatedAt": "2026-11-03T15:35:22.240Z" } } }