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90-45A - Approval of Area Navigation Systems for use in the U.S. National Airspace System (Cancelled)

Cancellation Notes
Cancellation Memo Attached
Date Cancelled
August 27, 2014
Date Issued
February 21, 1975
Responsible Office
AFS-400
Description

Provides guidelines for implementation of two-dimensional area navigation (2D RNAV) within the U.S. National Airspace System (NAS). Provides for both VOR/DME dependent systems and self-contained systems such as Inertial Navigation Systems (INS).

AC 20-138C - Airworthiness Approval of Positioning and Navigation Systems supersedes the airworthiness considerations in AC 90-45A, Approval of Area Navigation Systems for use in the U.S. National Airspace System. Equipment previously approved per the airworthiness guidance in AC 90-45A is still valid for the operations and conditions stated in their approvals.