Military Occupational Speciality Codes related to Aviation Maintenance Technicians

The following document includes the updated, new, and the older MOS codes for the U.S. Army, Air Force, Navy, Marine Corps, and Coast Guard enlisted personnel. Use the new codes for active duty time after January 1990. The older codes are still valid for persons wishing to credit their military aviation maintenance experience toward meeting the requirements of the FAA airframe and powerplant mechanic certificate.