No problem for us multi tasking groundcrew, if flying was that difficult the groundcrew would have done it (as I did after leaving the employ of Aunt Bet !)
I had been flying privately whilst in the RAF so the transistion was quite easy as well as holding UK CAA maintenance licenses , this was when I was doing my bit at Lyneham, rgds, PH.
Yup, in the RAF on the OCU we were both Wessex and Puma trained engineers, one being Metric and one A/F. Which added to the difference Aircrews were to type though.
Jaguar engineers were supposed to be cross trained on Star Fighter maintenance in case of war, though I never saw one some were cross trained before I arrived.
Currently my CAA and EASA licences cover me on hundreds of types and engines and combinations of thereof.