Vortex (LEFR)

Builder:Astilleros Gondan

Main Dimensions

Length:38,7 m
Breadth:14,6 m
Draft:7,2 m


Operator:Østensjø Rederi AS
Builder:Astilleros Gondan
Yard no.:447
Design no.:AWT 37/80
Designed by:Robert Allan Ltd
Call sign:LEFR
Port of Registry:Haugesund
IMO no.:9525508
Classification:Bureau VeritasI; Fire-fighting 1; Oil recovery; Tug ; Cleanship AUT-UMS Unrestricted navigation
Safety regulations:SOLAS


Length o.a.:38,7 m
Length b.p.:12,0 m
Breadth mld.:14,6 m
Depth mld.:5,93 m
Draft max.:7,2 m
Operational draft:7,0 m
Air draft:21.0 mts

Tonnage - Deadweight

Gross tonnage:839 GT
Net tonnage:252.0

Deck equipment

Towing pins:1. Type: Karmoy Retractable Forks. 1. Type: Sharks jaw
Deck cranes:1 x 3,1 T at 11,5 m. 7,35 T at 5,2 m. Type: Effer 44000-3SL
Tugger winches:2 x 9 T. Type: Karmoy
Hydraulic retractable staple:1 Type: Karmoy Retractable Escort Staple


Main engines:2 x Wartsila. Type: 8L26
Horse power ration:7208 BHP/5300KW

Auxiliaries / Electrical power

Generators:2 x Volvo Penta, each 139 kW 1500 rpm. Type: D7A-BTA

Electrical systems and power management

Electrical power:2 x Stamford generators, each 163 kVA, 400 V, 50 Hz. Type: UCM274H-2

Main propellers

Maker:2 x Voith
Diameter:1700 mm


Bollard pull:73 tonnes
Steering force at 10 knots:130 tonnes
Braking force at 10 knots:170 tonnes
Speed free running:10 knots

Liquid tank capacities

Marine Gas Oil:362 m3
POT water:83 m3
Grey water:16.7 m3
Foam:24 m3
Oil recovery:226 m3

Fire fighting equipment

Firepumps:DNV Fi-Fi 1 Class. 2 x 1500 m3/h
Firemonitors:2 x FFS water/foam monitor 1200/300 m3/h
Foam:2 x FFS water/foam monitor 1200/300 m3/h
Other:Vessel Protection water Deluge System. Protection equipment


Oil booms:Optional. Drum for Oil Boom fitted
Oil skimmer:Optional. Arrangement prepared for Skimmer

Towing equipment

Main towing winch:Type: Karmoy Hydraulic Split Drum. PS Escort line or Work Wire. SB Main Tow Wire.Remote Hydraulic Spooling gear
Pull/Brake force:206 T Pull. 300 T Brake
Main tow wire:1 x 1000 m 57 mm or 1 x 150 m 51 mm.
Work wire:1 x 150m x 51mm
Escort line:1 x 200 m 92 mm Synthetic HMPE. MBL 500 T with pennant
Spare tow/escort line:1 x 1000 m 57 mm
Storage drum:Split drum for Wire/Rope
Equipment:Shackles, Pennants, Links, Bridle & Stretcher rated to vessel size

Navigation equipment

Radar:1 x Furuno FAR-2117BB 3 cm ARPA. 1 x Furuno FAR 2137S 10 cm Chart Radar
Electronic Chart System:2 x Furuno Tecdis
Compass:1 x Transmitting Magnetic Compass
Autopilot:1 x Simrad AP50
Echo Sounder:1 x Furuno FE 700
Navtex:1 x Furuno NX 700B
DGPS:1 x Furuno GP 150
AIS:1 x Furuno FA 150
Bridge Alarm Monitoring System:1 x Furuno BNWKAS BR510
Log:1 x Furuno DS 80 Doppler log
Lights:2 x Search Lights 250 W

Communication equipment

General:GMDSS installation in accordance with IMO regulations for vessels operating within Sea Area A3
GMDSS Radio MF/HF Transceivers & DSC:1 x Furuno FS 1570
GMDSS VHF with DSC:2 x Furuno FM 8800 S
GMDSS VHF portable:3 x Jotron Tron TR 20
VHF:1 x Sailor RT4800. 2 x Handsets
GMDSS EPIRB:1 x Tron 45 SX. 1 x Tron 40 S
GMDSS Inmarsat C:2 x Furuno Felcom 15
UHF:1 x Motorola GM360. 3 x Motorola GM340 ATEX
Sattelitte sytem:KA-Sat phone/data
Mobile Telephone:GSM
Sat TV system:SeaTel


Single cabins:4 x Single cabins
Double cabins:3 x Double cabins
Office:1 x Office
Other:Messroom, Dayroom, Galley, Gymnasium, Washroom, Laundry

Lifesaving / rescue

Approved lifesaving appliances for:LSA approved for 10 persons
Liferafts:2 x 10 persons
Rescue/MOB boat:Valiant RB 450. Approved for 6 persons