Displaying 1-2 of 2 result(s).
Air Admittance Valve
in NASA
Aerospace Audio- Visual
in NASA
120992120993
Similar to AAV
A/G - Air to Ground
A/L - AutoLand
A/L - AirLock
A/L - Approach and Landing
AA - Astronomical Applications
AA - Adverse Action
AA - Antenna Assembly
View all in NASA