Sea Alfa - IMO 9466271

Name

SEA ALFA

Type

Anchor handling tug - Shallow draught workboat

Basic functions

Towing, mooring, pushing, anchor handling, dredge support

IMO-number

9466271

Call sign

PHSA

Flag

The Netherlands

Port of registry

Vlissingen

GT

309 t

NT

92 t

Displacement

350 t

Length

30,08 m overall

27,99 m between perpendiculars

Breadth

9,10 m overall

Draught

Min: 2,90 m

Operating: 3,00 m

Max: 3,20 m

Air draft

Min: 10,30 m

Max: 16,00 m

Freeboard

608 mm

Depth

4,40 m at sides

Speed

Max: 11,0 knots

Economic: 9,0 knots

Built

2008

Date of completion

15/02/2008

Builder

Damen Shipyards

Hardinxveld - Giessendam

The Netherlands

Yard number

571581

Hull material

Steel

Watertight compartments

7

Continuous decks

1

Main engine

2x Caterpillar 3512B BTA - 4 stroke 12 cylinder 170 x 190 mm combustion engines 2.462 kW / 3.342 bhp at 1.600 rpm

Built: 15/01/2008

Builder: Caterpillar Tractor Co.,Mossville - USA

Gearbox

2x Reintjes WAF 772/ 6.44:1

Propellers

2x Promarin fixed pitch propellers - each diameter 2.250 mm V.d. Giessen optima nozzles

Generators

2x John Deere 6068 TF158 diesel generatorsets each 107,0 kVA - 50 Hz, 230/400V

Bow thruster

250 bhp - hydraulically driven

Deck Lay-out

Anchor: 2x 300 kg Pool (HHP)

Chain: 17,50 mm stud-link anchor chain 192,50 m

Anchor winch: Ridderinkhof hydraulically driven

Anchor handling / Towing winch

Ridderinkhof Double drums 100 t at 10 m/min (anchor)

50 t at 10,00 m/min (pull), 75/150 t holding force

Main tow wire: 900 m diameter 40 mm

Spare wire 600 m diameter 40 mm

Tugger winch

1x 8,0 t at 10,00 m/min

Bollard pull

Ahead : 50,0 t

Hydraulic

1x Caterpillar C18 TA diesel engine 357 kW at 1.800 rpm

Deck space

60,0 m²

Deck strenght

5,0 t/m²

Transfer pumps

For Fresh Water: VWSI 8020 - 50 m/h at 4,8 bar

For Fuel Oil: VWSI 8020 - 50 m/h at 4,8 bar

Fresh water maker

HEMI produces - 6,0 m² every 24 hrs

Fuel oil separator

Westfalia

Tank capacities

Fuel oil: 174,9 m³

Fresh water: 40,9 m³

Lubrication oil: 7,3 m³

Hydraulic oil: 3,1 m³

Dirty oil :4,3 m³

Bilge water: 4,3 m³

Sewage: 3,3 m³

Lifting equipment

1x Deck crane Heila HLRM 140-4SL - SWL 5,3 t @ 18,03 m

Nautical and communication equipment

• Searchlights: 2x pesch 1.000 W, fwd searchlight with“zoom” function

• Magnetic compass: Cassens & Plath Reflecta 1

• Gyro Compass: Anschűtz en Platz

• Watch alarm: Marble 421

• Radar: 1x Furuno FR-2119

• GPS: Furuno GP-150

• AIS: Furuno FA-150

• Autopilot: Radio Zeeland Seapilot 75

• Echo sounder: 1x Furuno FE-700

• Speed log B: Furuno

• VHF radio telephone: 3x Sailor RT5022, one with DSC

• Handheld VHF: 2x Jotron TR20

• Navtex: Furuno NX-700

• SSB Furuno: FS-1570

• Inmarsat-C: 2x SP-Radio H2095C

• GSM Tellular: SX-5D

• Intercom RZ: Delta 700

Accommodation

Heated and air-conditioned living spaces for 7 persons, consisting three single crew cabins and two double crew cabins, a galley, a mess room and sanitary facilities

Operator

Seacontractors

Gortstraat 36

4331 LC Middelburg

The Netherlands

Registered owner

Sea Alfa BV

Latest data adjustment

06 March 2021