Canadian authorities warn Sikorsky-92 A helicopters need gearbox part replaced . British Coastguard to issue emergency directive ordering repair , Canadian safety board says . 17 British Coastguard helicopters grounded in Scotland to replace a part . This move comes after the Transportation Safety Board of Canada indicated on Friday that the components must be replaced on Sikorsky-92 A helicopters across the globe . Sikorsky-92 A crashed January 28 off Scotland ; Four people died .
Canadian authorities warn Sikorsky-92 A helicopters need gearbox part replaced . British Coastguard to issue emergency directive ordering repair , Canadian safety board says . 17 British Coastguard helicopters grounded in Scotland to replace a part . Sikorsky-92 A crashed January 28 off Scotland ; Four people died .