Parent company Centrica says a fresh wave of layoffs is a "last resort".Read more
Helicopter firm CHC is consulting with staff and unions over job losses.
CHC said about 47 UK posts could be affected, with about half of those based in Aberdeen.
Mark Abbey, regional director for Europe, Middle East and Africa, said: "This has been an incredibly difficult decision but it is necessary for us to respond to challenging market conditions."
The posts involved include engineering and flight personnel.