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MILITARY AUTHORITY ASSUMES RESPONSIBILITY FOR SEPARATION OF AIRCRAFT (MARSA)

Pilot/Controller Glossary with JO 7110.65BB, Change 3, effective July 9, 2026 · Official text on faa.gov

A condition whereby the military services involved assume responsibility for separation between participating military aircraft in the ATC system. It is used only for required IFR operations which are specified in letters of agreement or other appropriate FAA or military documents.

Also called MARSA.

In the 7110.65

Used in 5 paragraphs of JO 7110.65BB.

  1. 1-2-6Abbreviations
  2. 2-1-11Use of Marsa
  3. 9-2-6IFR Military Training Routes
  4. 9-2-13Military Aerial Refueling
  5. 9-2-21Nonstandard Formation/Cell Operations