Civil air regulations amendments. [Processed.]. 46-2. Scheduled air carrier helicopter certification and operation rules: Frequency of pilot proficiency checks, effective Oct. 29, 1959; issued Sept. 24, 1959.
Publication Title:
Scheduled air carrier helicopter certification and operation rules: Frequency of pilot proficiency checks, effective Oct. 29, 1959; issued Sept. 24, 1959.
Display Title:
Civil air regulations amendments. [Processed.]. 46-2. Scheduled air carrier helicopter certification and operation rules: Frequency of pilot proficiency checks, effective Oct. 29, 1959; issued Sept. 24, 1959.