Automatic pressure altitude encoding systems and transponders maintenance and inspection practices.
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| Format: | Government Document Book |
| Language: | English |
| Published: |
[Washington] :
Dept. of Transportation, Federal Aviation Administration,
1977.
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| Series: | AC ; 43-6A
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| Subjects: |
| Item Description: | Issued Nov. 11, 1977. |
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| Physical Description: | 7, 3 pages ; 27 cm. |