(Advisory circular 140-2C.) [Effective Feb. 20, 1967. Cancels AC 140-2B, Jan. 1, 1986.] † Distribution Made by Issuing Office. Federal Aviation Agency, Distribution Unit, HQ-438, Washington, D.C. 20553 • Sent to Depository Libraries. Item 431-F-4
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† Distribution Made by Issuing Office. Federal Aviation Agency, Distribution Unit, HQ-438, Washington, D.C. 20553 • Sent to Depository Libraries. Item 431-F-4