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271. Civil air regulations. pt. 26. Air-traffic control tower operator certificates, as amended to July 1, 1957.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1957.]
SuDoc number:: C 31.209:26/8

272. civil air regulations, status list.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: July 17, 1956
SuDoc number:: C 31.209:list/956-2

273. Civil air regulations, status list.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: Mar. 1, 1956
SuDoc number:: C 31.209:list/956

274. Civil air regulations amendment. 40-1. Scheduled interstate air carrier certification and operation rules, weather reporting facilities and requirements covering landing limitations outside continental United States, effective June 22, 1956; adopted May 18, 1956.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:40/7/amdt.1

275. Civil air regulations amendment. 6-8. Rotorcraft airworthiness, simplification of airworthiness requirements for small aircraft (normal category), effective Aug. 1, 1956; adopted May 25, 1956.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:6/3/amdt.8

276. Civil air regulations amendment. pt. 41-8. Certification and operation rules for scheduled air carrier operations outside continental United States: Daily flight time limitations for flight navigators, effective Apr. 25, 1956; adopted Mar. 21, 1956.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:41/5/amdt.8

277. Civil air regulations amendments. 1-1. Certification, identification, and marking of aircraft and related products, elimination of annual inspection of general aircraft, effective July 17, 1956; adopted Apr. 13, 1956.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:(nos.)

278. Civil air regulations amendments. 18-5. Maintenance, repair, and alteration of airframes, powerplants, propellers, and appliances, maintenance, repair, and alteration privileges and limitations for commercial operators utilizing aircraft of more than 12,500 pounds maximum certificated take-off weight, effective Jan. 27, 1956; adopted Dec. 23, 1955.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:18/4/amdt.5

279. Civil air regulations amendments. 18-6. Maintenance, repair, and alteration of airframes, powerplants, propellers, and appliances, elimination of annual inspection of general aircraft, effective July 17, 1956; adopted Apr. 13, 1956.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:(nos.)

280. Civil air regulations amendments. 20-1. Pilot and instructor certificates, clarification of age requirements for issuance of pilot certiticutes, effective Dec. 21, 1956; adopted Dec. 21, 1956.

Corporate/Agency Authors:: Civil Aeronautics Board
Publisher:: Civil Aeronautics Board
Date:: [1956.]
SuDoc number:: C 31.209:(nos.)

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