-aircraft jumpseat position
-panorama view in ATC tower
-fly airship or yacht with a girl for holiday sightseeing
-photo wall in pilot club
-checklist before flight
-operational AAA gun
-fuel dump when airborne
-newspaper or aircraft flight manual reading during bomber flying
-signal flare before takeoff
-swim to float plane for rescue （perhaps after signal flare）
-parachute diving training
-lubricant oil maintenance
-fueling
......
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