Investigation Report
Parting of mooring line on oil products tanker Alfa Britannia and striking crew on the gig-boat Osprey resulting in 4 people injured
Parting of mooring line on oil products tanker Alfa Britannia and striking crew on the gig-boat Osprey resulting in 4 people injured
- MAIB
- Investigation Report
- Unknown
- Line of FireMarine OperationsVessel and Mooring
- Mechanical failureMooring line snapback
- Mooring operations
- Mooring lines
- Operating and work proceduresSafety communication
- Marine industry
- Port and quaysideVessel
Summary
Investigation synopsis of a mooring-line failure during berthing at Tranmere oil terminal. Recoil struck Osprey and injured its four crew. Testing attributed nylon-tail failure to dynamic loading from ship movement. Conflicting pilot and master understandings exposed a communication breakdown; recommendations addressed terminal-specific mooring guidelines and ship-specific plans.
Classifications: Mechanical failure; equipment failure.
Classifications: Mooring line snapback; snap-back; snapback; mooring line recoil.
Classifications: Mooring operations; berthing; unmooring.
Classifications: Mooring lines; mooring rope; mooring wire.
Classifications: Operating and work procedures.
Classifications: Safety communication; toolbox talk; toolbox talks.
Classifications: Marine industry; shipping industry; maritime sector.
Classifications: Port and quayside; quayside; harbour; harbor.
Classifications: Vessel; aboard ship; onboard vessel.
Summary
An investigation into a parted mooring line that struck crew members and caused injuries.
Themes: line of fire, marine operations, vessel and mooring.