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Old 9th May 2021, 22:08
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barrow
 
Join Date: Jan 2007
Location: San Francisco, California, USA
Posts: 73
DME/DME IRU for GPS APP

Is it legal to fly an RNAV approach with GPS in the title in an aircraft with only DME/DME as the main navigation source in the USA? (B737-300/400), was there ever an Advisory Circular that gave guidance on this?
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