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Alert of London

Alert at Lowestoft, Suffolk.

 

Alert is a rapid intervention vessel designed with buoy handling, wreck marking, towing, multibeam and side scan hydrographic surveying capability. Alert can respond rapidly to any maritime incident primarily in the busy shipping routes of the Dover Strait, English Channel and southern North Sea.

 

Name: Alert

Vessel type: Rapid intervention vessel

Port of registry: London

Home port: Harwich

Flag: United Kingdom

IMO: 9338618

MMSI: 235010690

Call sign: MLPH9

Crew: 6

Cabins: 2 x single, 4 x double

Length overall: 39.3m

Beam: 8.4m

Draught: 2.7m

Gross tonnage: 302 ton

Max deadweight: 60 ton

Crane: 1 x 3.5 ton at 10 m, 2.2 ton at 15 m, knuckle boom

Winch: 1 x 3.3 ton SWL

Workboat: 1 x 5.4 m RIB with 50 hp (37.25 kW) outboard engine

Fuel capacity: 42 ton

Engines: 2 x Caterpillar diesel

Engine output: 2 x 2,000 hp (1,492 kW) at 1,600 rpm

Bow thruster: 1 x 207 hp (155 kW) at 1,620 rpm

Max speed: 17 knots

Service speed: 12 knots

Bollard pull: 28 ton

Builder: Stocznia Remontowa SA, Gdansk, Poland

Launch date: 11th. October 2005

Operator: Trinity House

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Uploaded on October 18, 2025
Taken on October 16, 2025