AC Number:
AC 20-133 | Date:
03/22/1989 |
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Change Description:
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Subject:
Cockpit Noise and Speech Interference Between Crewmember |
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Related Regulation(s):
Unknown Part | Section Number(s):
Unknown Section |
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Cancels:
| Initiating Office:
AIR-130 |
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Advisory Circular in PDF Format:
 AC 20-133.pdf | |
| Public Comments (Attachments):
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