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AC 120-31A - Operational and Airworthiness Approval of Airborne Omega Radio Navigation Systems as a Means of Updating Self-Contained Navigation Systems (Cancelled)

Document Information

Number
120-31A
Title
Operational and Airworthiness Approval of Airborne Omega Radio Navigation Systems as a Means of Updating Self-Contained Navigation Systems
Date cancelled
2008-04-30
Cancellation notes
MEMO from AIR-130
Date issued
1977-04-21
Office of Primary Responsibility
AFS-260
Description
Set forth an acceptable means, but not the only means, of obtaining airworthiness and operational approval of airborne OMEGA navigation systems used in updating self-contained navigation systems such as Doppler and Inertial Radar for operations outside the United States under FAR Part 121.
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