Office of Flight Operations
Private rotorcraft-helicopter (RH) / Office of Flight Operations - vii, various pages ; 22 cm. - Practical test standard .
"FAA-S-8081-HB"
Helicopter.
Aeronautics.
Airplanes.
629.13352 / Of35
Private rotorcraft-helicopter (RH) / Office of Flight Operations - vii, various pages ; 22 cm. - Practical test standard .
"FAA-S-8081-HB"
Helicopter.
Aeronautics.
Airplanes.
629.13352 / Of35