They are certainly Lynx rotor heads - courtesy of the 'donor' program that was required to build the Wildlynxcat and I believe they are the same engines as the 9A.
You can get away with limited endurance overland (the Puma managed for years with even less) but over water when your only option is to return to mother..........
You return to mum, RRRF (and wee if needed) and re-launch.