Downloaded from https://www.everyspec.com Notes: On Army programs, the following applies: 1 Code “O” in the 3rd, 4th, and 5th positions of the maintenance and recoverability codes denotes “field” for Army programs only. 2 Code “F” denotes “field maintenance or Aviation Support Battalion (ASB)” for Army programs only. 3 Code “H” denotes “Below Depot Sustainment or Component Repair Company” for Army programs only. 4 Code “L” denotes “Special Repair Activity or Theater Aviation Sustainment Maintenance Group (TASMG)” for Army programs only. Figure 2–1. Joint Service coding reference chart 3 AR 700–82/OPNAVINST 4410.2A/MCO 4400.120 • 10 October 2007