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

Cancellation Notes
MEMO from AIR-130
Date Cancelled
April 30, 2008
Date Issued
April 21, 1977
Responsible Office
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.