Guidance · AIMAIM effective July 9, 2026
AIM 1-1-14 LORAN
Chapter 1. Air Navigation · Section 1. Navigation Aids
A reference copy of the official AIM text for study. It is not legal advice or an FAA interpretation; always confirm against the current official source.
NOTE-
In accordance with the 2010 DHS Appropriations Act, the U.S. Coast Guard (USCG) terminated the transmission of all U.S. LORAN-C signals on 08 Feb 2010. The USCG also terminated the transmission of the Russian American signals on 01 Aug 2010, and the Canadian LORAN-C signals on 03 Aug 2010. For more information, visit http://www.navcen.uscg.gov. Operators should also note that TSO-C60b, AIRBORNE AREA NAVIGATION EQUIPMENT USING LORAN-C INPUTS, has been canceled by the FAA.
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