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OPERATOR'S MANUAL ARMY MODEL UH-1B HELICOPTER : TM 55-1520-219-10 | Manual/Sivil | 20-A-3
Pentagon : Headquarters, Department of the Army, 1969. [Manual/Sivil] - Språk: Engelsk | | 1969 |
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Structural design guidelines for heliports | Hefte | 629.13335 Sch (Boks 52)
Schwartz, C.W. / - Springfield : Federal Aviation Administration, 1984. [Hefte]. - 109 s. (DOT/FAA/PM-84/23) - Språk: Engelsk | Schwartz, C.W. | 1984 |