You might be an aircraft engineer if.....

[Wasser]

You know you're an engineer/techie/fitter/mech if......

.....on a towing team you discover that the difference between "partial" and "total plus" fuel states is about 2 inches clearance in the vertical at 1 foot inside the crossing wingtips.

.....you discover that the hazard light pole on the back of a tractor has similar strengh characteristics to a Jaguar pitot probe. You realise that your new best mates are the rigger/lecky/insty who "find" and fit a probe to replace the bent one.