Investigation Report

Sikorsky S-61N Rotor Struck Tanker Mast During Marine-Pilot Winching

AAIBAir Accidents Investigation Branch

G-BDOC-5-05

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Summary

An AAIB investigation examines a Sikorsky S-61N rotor strike against a tanker mast during marine-pilot winching near Sullom Voe. It analyses deck clearances, flight recordings and crew decisions, without establishing whether ship or helicopter movement caused the strike. Recommendations address mixed SAR/CAT duties, information exchange and winching-zone markings.

Topics

About This Record
Original title
G-BDOC-5-05
Publisher
Air Accidents Investigation Branch
Type
Investigation Report
Date
10 December 2014
Topic
Human Factors, Regulation and Legislation
Activity
Helicopter Operations, Personnel Transfer
Equipment
Helicopter
Control
Operating and Work Procedures, Safety Communication
Sector
Marine Industry
Setting
Vessel
Link
Checked , working
Record
aaib-b39d669f4b · added 2 October 2026

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