Bast0n, have to agree about the Wessex and engine failures. I had one shut down on me one summer's day. It was hot (for UK), we were near max weight, and had a 105mm howitzer slung underneath. After some thought we decided not to pickle the load but, with both myself and the crewman ready to let it go at any moment, we came happily to the hover, safely put the gun on the ground, moved over a bit and landed. If I recall correctly, back in the seventies, the only helicopter operating on UK oil/gas support with a genuine engine-out capability was the Wessex; it wasn't until the Puma arrived on the scene that the situation changed.