ventral stair
1Airstair — An airstair is a passenger staircase that is built in to an airliner often, though not always, on the inside of a clamshell style door. The stairs can be raised or lowered while the aircraft is on the ground, allowing passengers and ground… …
2Lockheed F-104 Starfighter — F 104 Starfighter A Fokker built, German owned F 104G in USAF markings in August 1979 Role Intercep …
