« Back to Advisory Circulars Main Page

20-138A - Airworthiness Approval of Global Navigation Satellite System (GNSS) Equipment (Cancelled)

Cancellation Notes
AC 20-138B
Date Cancelled
September 27, 2010
Date Issued
December 22, 2003
Responsible Office
AIR-130,  Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
Description

Establishes an acceptable means, but not the only means, of obtaining airworthiness approval of Global Positioning System (GPS) equipment for use as a supplemental navigation system for oceanic and remote domestic en route, terminal, and non-precision instrument approach (except localizer directional aid (LDA) and simplified directional facility (SDF) operations.

Cancels
Number Title Date
20-138 Airworthiness Approval of Global Positioning System (GPS) Navigation Equipment for use as a VFR and IFR Supplemental Navigation System
Establishes an acceptable means, but not the only means, of obtaining airworthiness approval of Global Positioning System (GPS) equipment for use as a supplemental navigation system for oceanic and remote domestic en route, terminal, and non-precision instrument approach (except localizer directional aid (LDA) and simplified directional facility (SDF) operations.
05/25/1994