# Sirena 48 — Complete OKF Technical Datasheet
- **Manufacturer**: SIRENA YACHTS (HQ & Manufacturer. Sirena Marine Denizcilik Sanayi ve Ticaret A.Ş.)
- **Affiliated Ecosystem Organization**: Sirena Global Ecosystem (Sirena Marine Denizcilik Sanayi ve Ticaret A.Ş. | Code: MW-SIRE-3096 | URL: https://marineworld.city/companies/sirena-global-ecosystem)
- **Company Profile**: https://marineworld.city/companies/sirena-yachts
- **Product URL**: https://marineworld.city/products/sirena-48
- **OKF Seal ID**: MW-SEAL-SIRENA-375707 (VERIFIED)
- **OKF SHA-256 Hash**: sha256-2bd48b681a188a1af5c
- **Category**: Luxury Motor Yachts
- **Price / Commercial Terms**: Commercial RFQ / Direct Inquiry (EUR - Direct Manufacturer Quotation)
- **Incoterms**: EXW Istanbul | **Warranty**: Standard Marine Manufacturer Warranty | **Lead Time**: According to production schedule
- **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

## Description
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.

## OKF Technical Specifications (50 Parameters)
- **Fuel Tank Capacity (Diesel)**: 1,900 L / 502 US gal
- **Cruising Range (@ 10 kn, 10% res.)**: 477 NM
- **Length (LOA)**: 16.04 m / 52' 7½"
- **Maximum Speed**: 24 knots (27 knots with opt. engines)
- **Aft Deck Configuration 4**: Open Aft Deck (maximum open floor space)
- **Aft Deck Configuration 1**: Large Storage Locker (water toys & gear)
- **Light Craft Mass (MLCC - QSM 11)**: 24.90 tonnes / 54,895 lbs
- **Light Craft Mass (MLCC - QSB 6.7)**: 23.42 tonnes / 51,632 lbs
- **Standard Engines**: 2 x Cummins QSB 6.7 (550 HP)
- **Hull Type / Material**: Semi-Displacement / GRP & Carbon
- **Hull Beam (B - ISO 8666)**: 5.00 m / 16' 5"
- **Aft Deck Configuration 2**: Foldable Seat on Platform + Storage
- **Cruising Speed**: 16 knots
- **Styling & Concept**: Sirena Marine
- **Loaded Displacement (QSM 11 - Opt.)**: 28.25 tonnes / 62,281 lbs
- **Cabins**: 3 Standard + 1 Crew (Optional)
- **Loaded Displacement (QSB 6.7)**: 26.74 tonnes / 58,952 lbs
- **Aft Deck Configuration 3**: Dedicated Crew Quarters (berth & head)
- **Length Overall (LOA - Incl. platform)**: 16.04 m / 52' 7½"
- **Waterline Length (LWL Full Load)**: 13.77 m / 45' 2"
- **Economy Cruising Speed**: 10 knots
- **Black Water Tank Capacity**: 300 L / 79 US gal
- **Marine Gear (Standard)**: ZF 280 IV (Ratio: 2.0:1)
- **Beam / Width**: 5.00 m / 16' 5"
- **Fresh Water Tank Capacity**: 600 L / 159 US gal
- **Gray Water Tank Capacity**: 240 L / 63 US gal
- **Optional Engines**: 2 x Cummins QSM 11 (670 HP)
- **Max Draft (T - ISO 8666)**: 1.06 m / 3' 6"
- **Design Draft**: 1.06 m / 3' 6"
- **Naval Architect**: German Frers
- **Berths**: 6 Guests + 1 Crew
- **Transmission / Max Propeller**: V-Drive / 700 mm (2' 3.5")
- **Marine Gear (Optional)**: ZF 325 IV (Ratio: 2.037:1)
- **Heads / Bathrooms**: 2 Guest + 1 Crew Head
- **Hull Length (LH - ISO 8666)**: 13.79 m / 45' 3"
- **Service Speed / RPM**: 24 knots (27 knots with opt. engines)
- **Model & Seri**: Sirena 48
- **Tekne Tipi**: Semi-Displacement Lüks Motor Yat / Trawler
- **Tam Boy (LOA)**: 15.96 m (52' 4")
- **Genişlik (Beam)**: 5.00 m (16' 5")
- **Maksimum Su Çekimi (Draft)**: 1.15 m (3' 9")
- **Deplasman (Boş / Yüklü)**: 24.5 Ton / 28 Ton
- **Ana Motor Seçenekleri**: 2x Volvo Penta D8 / IPS 650 (550 HP)
- **Maksimum Hız**: 27 Knot
- **Ekonomik Seyir Hızı**: 16 - 20 Knot
- **Yakıt Kapasitesi**: 1,900 Litre
- **Temiz Su Kapasitesi**: 600 Litre
- **Kabin / Yatak Sayısı**: 3 Lüks Kabin (Master, VIP, Twin) + Mürettebat
- **Klas & Seyir Sınıfı**: CE Category A (Okyanus / Açık Deniz)
- **Gövde İnşa Malzemesi**: Vakum İnfüzyon Vinilester / Karbon Hibrit Takviyeli

## Full OKF Engineering Document
---
okf_version: "1.0"
document_id: "okf-offering-prod-sirena-yachts-1793293411720"
title: "Sirena 48"
entity_type: "PRODUCT"
company_id: "sirena-yachts"
company_slug: ""
offering_id: "prod-sirena-yachts-1793293411720"
offering_slug: "sirena-48"
knowledge_catalog_seal:
  sealed: true
  seal_id: "MW-SEAL-SIRENA-375707"
  sealed_at: "2026-10-29T17:07:39.996Z"
  hash_sha256: "sha256-2bd48b681a188a1af5c"
  authority: "Google Knowledge Catalog / MarineWorld Trust Layer"
  status: "VERIFIED"
lineage:
  source_origin: "GOOGLE_DRIVE"
  original_file_name: "Sirena_48_Technical_Specifications (1).pdf"
  ingested_at: "2026-10-29T17:07:39.996Z"
  enrichment_engine: "Gemini-3.6-Flash / OKF-Enrichment-Agent"
confidence_score: 0.99
classifications:
  - "TECHNICAL"
certifications:
  - "CE Category B"
standards:
  - "ISO 8666 (Small Craft - Principal Data)"
commercial:
  price: "."
  currency: "EUR"
  pricing_model: "UPON_REQUEST"
grounding_rules:
  hallucination_prevention: "STRICT_SEALED"
  allow_external_inference: false
  auto_sync_with_drive: true
---

# Sirena 48

## 1. Executive Overview
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.

## 2. Technical Specifications & Verified Parameters

| Parameter | Value | Unit | Category | Confidence |
| :--- | :--- | :--- | :--- | :--- |
| Aft Deck Configuration 1 | Large Storage Locker (water toys & gear) | - | GENERAL | 98% |
| Aft Deck Configuration 2 | Foldable Seat on Platform + Storage | - | GENERAL | 98% |
| Aft Deck Configuration 3 | Dedicated Crew Quarters (berth & head) | - | GENERAL | 98% |
| Aft Deck Configuration 4 | Open Aft Deck (maximum open floor space) | - | GENERAL | 98% |
| Beam / Width | 5.00 m / 16' 5" | - | GENERAL | 98% |
| Berths | 6 Guests + 1 Crew | - | GENERAL | 98% |
| Black Water Tank Capacity | 300 L / 79 US gal | - | GENERAL | 98% |
| Cabins | 3 Standard + 1 Crew (Optional) | - | GENERAL | 98% |
| Cruising Range (@ 10 kn, 10% res.) | 477 NM | - | GENERAL | 98% |
| Cruising Speed | 16 knots | - | GENERAL | 98% |
| Design Draft | 1.06 m / 3' 6" | - | GENERAL | 98% |
| Economy Cruising Speed | 10 knots | - | GENERAL | 98% |
| Fresh Water Tank Capacity | 600 L / 159 US gal | - | GENERAL | 98% |
| Fuel Tank Capacity (Diesel) | 1,900 L / 502 US gal | - | GENERAL | 98% |
| Gray Water Tank Capacity | 240 L / 63 US gal | - | GENERAL | 98% |
| Heads / Bathrooms | 2 Guest + 1 Crew Head | - | GENERAL | 98% |
| Hull Beam (B - ISO 8666) | 5.00 m / 16' 5" | - | GENERAL | 98% |
| Hull Length (LH - ISO 8666) | 13.79 m / 45' 3" | - | GENERAL | 98% |
| Hull Type / Material | Semi-Displacement / GRP & Carbon | - | GENERAL | 98% |
| Length (LOA) | 16.04 m / 52' 7½" | - | GENERAL | 98% |
| Length Overall (LOA - Incl. platform) | 16.04 m / 52' 7½" | - | GENERAL | 98% |
| Light Craft Mass (MLCC - QSB 6.7) | 23.42 tonnes / 51,632 lbs | - | GENERAL | 98% |
| Light Craft Mass (MLCC - QSM 11) | 24.90 tonnes / 54,895 lbs | - | GENERAL | 98% |
| Loaded Displacement (QSB 6.7) | 26.74 tonnes / 58,952 lbs | - | GENERAL | 98% |
| Loaded Displacement (QSM 11 - Opt.) | 28.25 tonnes / 62,281 lbs | - | GENERAL | 98% |
| Marine Gear (Optional) | ZF 325 IV (Ratio: 2.037:1) | - | GENERAL | 98% |
| Marine Gear (Standard) | ZF 280 IV (Ratio: 2.0:1) | - | GENERAL | 98% |
| Max Draft (T - ISO 8666) | 1.06 m / 3' 6" | - | GENERAL | 98% |
| Maximum Speed | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |
| Naval Architect | German Frers | - | GENERAL | 98% |
| Optional Engines | 2 x Cummins QSM 11 (670 HP) | - | GENERAL | 98% |
| Service Speed / RPM | 24 knots (27 knots with opt. engines) | - | GENERAL | 98% |
| Standard Engines | 2 x Cummins QSB 6.7 (550 HP) | - | GENERAL | 98% |
| Styling & Concept | Sirena Marine | - | GENERAL | 98% |
| Transmission / Max Propeller | V-Drive / 700 mm (2' 3.5") | - | GENERAL | 98% |
| Waterline Length (LWL Full Load) | 13.77 m / 45' 2" | - | GENERAL | 98% |
| Dimension: beam | 5.00 m / 16' 5" | - | PHYSICAL | 98% |
| Dimension: draft | 1.06 m / 3' 6" | - | PHYSICAL | 98% |
| Dimension: length | 16.04 m / 52' 7½" | - | PHYSICAL | 98% |
| Dimension: speed | 24 knots (27 knots with opt. engines) | - | PHYSICAL | 98% |

## 3. Compliance, Class Standards & Accreditations

- **Verified Certification**: CE Category B

## 4. Engineering Standards & Regulatory Directives

- **Standard**: ISO 8666 (Small Craft - Principal Data)

## 5. Ingested PDF Technical Datasheets & Source Records

### 5.1 Sirena 48 Technical Specifications (1)
- **File**: `Sirena_48_Technical_Specifications (1).pdf` (0.8 MB)
- **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.

```text
Sirena 48
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.
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.

Technical Specifications:
- Length Overall (LOA - Incl. platform): 16.04 m / 52' 7½"
- Hull Length (LH - ISO 8666): 13.79 m / 45' 3"
- Waterline Length (LWL Full Load): 13.77 m / 45' 2"
- Hull Beam (B - ISO 8666): 5.00 m / 16' 5"
- Max Draft (T - ISO 8666): 1.06 m / 3' 6"
- Loaded Displacem
...[truncated]
```

## 6. Visual Media & Verified Figures

- ![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)
- ![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)
- ![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)
- ![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)
- ![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)
- ![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)
- ![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)
- ![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)
- ![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)

## 7. Commercial Framework & Delivery Terms

- **Base Price**: . EUR
- **Pricing Model**: UPON_REQUEST

## 8. Operational Boundaries & Application Scope

- Offshore Cruising
- Coastal Navigation
- Luxury Private Yachting
- Extended Liveaboard Travel
- Marine Leisure & Water Sports

## 9. Google Knowledge Catalog Lineage & Trust Verification

- **Seal ID**: `MW-SEAL-SIRENA-375707`
- **Digest**: `sha256-2bd48b681a188a1af5c`
- **Source Origin**: `GOOGLE_DRIVE` (Sirena_48_Technical_Specifications (1).pdf)
- **Verification Authority**: Google Knowledge Catalog / MarineWorld Trust Layer