Baatservice Building Big Catamaran Survey Vessel

Baatservice Verft A/S of Mandal, Norway, is currently fitting out a new and larger version of the JKL twin-hulled survey vessel design for J.K. Lindberg of Harstad. The new vessel, with an overall length of about 125 feet and beam of 33 feet, represents a scaling up of the 78-foot Blom Surveyor, which has been in service since March of this year with Bloms Oppmaaling.

In common with the Blom Surveyor, the new vessel, designated the JKL 3800 Type, is being built using Kevlar reinforced sandwich construction—a technique that the Mandal yard has pioneered for building large workboats and survey vessels. In addition to the very high tensile strength of the Kevlar fiber, the use of this material is said to contribute to reduction in radiated hull noise, which is especially relevant for any seismic survey operation.

The twin keels of the JKL 3800 design permit wide spacing of the main propellers, which contributes to high levels of maneuverability even in strong winds, and their long thin straight runs aft provide excellent directional stability.

When completed, the new vessel, which is powered by two GM Detroit Diesel 800-bhp engines driving controllable-pitch, highly skewed propellers, will incorporate Burnvoll bow and stern thrusters, Kongsberg Albatross dynamic positioning, a moonpool, and a wide range of survey-related deck handling equipment.

Maritime Reporter Magazine, page 53, Aug 15, 1984

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Maritime Reporter

First published in 1881 Maritime Reporter is the world's largest audited circulation publication serving the global maritime industry.