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FAA Aircraft RegistryType a tail number and make, model, and year fill in.
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AD library
By month
December 1951

ADs published in December 1951

6 Airworthiness Directives: 2 airplane, 2 rotorcraft, 1 engine, 1 appliance.

November 1951 January 1952

Airplane

AD 51-25-01 · published 1951

Cessna Aircraft Company Airplanes

Cessna Aircraft Company Airplanes

AD 51-25-02 · published 1951

Martin-Marietta Corporation Airplanes

Martin-Marietta Corporation Airplanes

Rotorcraft

AD 51-26-01 · published 1951

Scotts-Bell 47 Inc Helicopters

Scotts-Bell 47 Inc Helicopters

AD 51-27-01 · published 1951

Scotts-Bell 47 Inc Helicopters

Scotts-Bell 47 Inc Helicopters

Engine

AD 51-26-03 · published 1951

Continental Motors Engines

Continental Motors Engines

Appliance

AD 51-26-02 · published 1951

Lear, Inc. Appliances

Lear, Inc. Appliances

Not the official record. The text is the Federal Register's, laid out for reading, and for older ADs the FAA's own index; the original linked on each AD is the legal version, and the FAA's DRS shows the current revision.