Investigation Report
Collision between pelagic trawler Antares and trafalgar-class submarine HMS Trenchant with loss of 4 lives
Collision between pelagic trawler Antares and trafalgar-class submarine HMS Trenchant with loss of 4 lives
- MAIB
- Investigation Report
- Marine Operations
- Human factorsVessel collisionVessel flooding and foundering
- Fishing operationsNavigationSaturation diving
- Navigation and positioning equipmentWire rope
- Emergency responseEvacuation, escape and rescueOperational supervisionSafety communication
- Commercial fishing
- Vessel
Summary
Investigation of the fatal collision between HMS Trenchant and Antares’s trawl gear, with four lives lost. The report examines submarine watchkeeping, passive sonar limitations, warp failures and the probable sinking sequence. It also analyses delayed search activation, deficient liferaft arrangements and diving-supported salvage.
Classifications: Human factors; human performance; ergonomics.
Classifications: Vessel collision; ship collision; marine allision.
Classifications: Vessel flooding and foundering; water ingress.
Classifications: Fishing operations.
Classifications: Navigation; vessel navigation; passage planning.
Classifications: Saturation diving; sat diving.
Classifications: Navigation and positioning equipment; ECDIS; AIS; chart plotters.
Classifications: Wire rope; steel wire rope.
Classifications: Emergency response; emergency preparedness.
Classifications: Evacuation, escape and rescue; EER; escape and rescue.
Classifications: Operational supervision.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Commercial fishing.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
MAIB investigates a collision involving pelagic trawler Antares and submarine HMS Trenchant, resulting in four deaths.
Themes: marine operations.