Listen: Should oil workers have the right to refuse flying in Super Pumas?
A local union officer has called on employers not to punish those who don't want to travel in the aircraft.
As we learn it was a mechanical failure - not human error - which caused the helicopter crash in Norway, concerns are growing among offshore workers about the use of Super Pumas in the North Sea.
The Civil Aviation Authority is currently stopping the aircraft from flying - but an online petition to remove it from service permanently has gathered 23-thousand signatures
Chairman of the STUC's Offshore Coordinating Group Tommy Campbell says the 225s should stay grounded until we know for sure what happened on Friday
Mr Campbell says workers must not be bullied into flying if they don't want to: