Originally Posted by
Dave B
I talked to a Sikorsky rep once about why they did not upgrade the S61 with more powerful engines, and composite rotor blades. He said that Sikorsky were quite willing to do it, but they wanted the operators to put up some money first.
No one would.
Not quite true though. Early 80s the major operators got together to look at an upgrade package: Helikopter Service, BAH, Bristow, Greenlandair ++. Bristow eventually pulled the plug as they'd done a deal to buy 332Ls instead.