8300.10 CHG 9 8/13/93 22-8 Vol. 2 FIGURE 22-1. MILITARY OCCUPATIONAL SPECIALTY CODES Following are both the updated and the older MOS codes for the Navy, Marine Corps, and Coast Guard. The new codes are used 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 US COAST GUARD CODES Updated MOS Codes Title Creditable Experience AD-02 Turboshaft Engines Powerplant AM-01 Structures Airframe Old MOS Codes Title Creditable Experience AD Aviation Machinist Mate Powerplant AM Aviation Structural Mechanic Airframe US NAVY CODES Updated MOS Codes Title Creditable Experience AD-6402 Reciprocating Engine Technician Powerplant AD-6409 J-57 Turbojet Engine Mechanic Powerplant AD-6410 F-110 Turbofan Jet Engine Technician Powerplant AD-6414 TF-41 Turbofan Jet Engine Technician Powerplant AD-6415 TF-30 Turbofan Jet Engine Mechanic Powerplant AD-6416 J-52 Turbojet Engine Mechanic Powerplant AD-6417 T-400 Turboshaft Jet Engine Mechanic Powerplant AD-6418 T-56 Turboprop Engine Mechanic Powerplant AD-6419 T-58 Turboshaft Jet Engine Mechanic Powerplant AD-6420 T-404 Turbofan Jet Engine Mechanic Powerplant AD-6421 TF-34 Turbofan Jet Engine Mechanic Powerplant AD-6423 T-56-425/426 Turboprop Engine and Propel- ler Mechanic Powerplant AD-6424 T-64 Turboshaft Jet Engine Mechanic Powerplant AD-6426 T-700 Turboshaft Jet Engine Mechanic Powerplant 8300.10 CHG 9 8/13/93 22-12 Vol. 2 US NAVY CODES (continued) AD-6427 J-85 Turboshaft Engine Mechanic Powerplant AM-7232 Structural Repair Technician Airframe Old MOS Codes Title Creditable Experience AD Aviation Machinist Mate Powerplant ADJ Aviation Machinist Mate Powerplant ADR Aviation Machinist Mate Powerplant AM Aviation Structural Mechanic Airframe AME Aviation Structural Mechanic Airframe AMH Aviation Structural Mechanic Airframe AMS Aviation Structural Mechanic Airframe US MARINE CORPS CODES Updated MOS Codes Title Creditable Experience 6092 Aircraft Structures Mechanic A-4/TA-4/OA-4 Airframe 6093 Aircraft Structures Mechanic A-6/EA-6 Airframe 6094 Aircraft Structures Mechanic F-4/RF-4 Airframe 6095 Aircraft Structures Mechanic AV-8/TAV-8 Airframe 6096 Aircraft Structures Mechanic KC-130 Airframe 6097 Aircraft Structures Mechanic F/A-18 Airframe 6098 Aircraft Structures Mechanic OV-10 Airframe 6142 Helicopter Structures Mechanic CH-46 Airframe 6143 Helicopter Structures Mechanic CH-53 Airframe 6144 Helicopter Structures Mechanic U/AH-1 Airframe 6022 Aircraft Powerplant Mechanic J-52 Powerplant 6023 Aircraft Powerplant Mechanic T-76 Powerplant 6024 Aircraft Powerplant Mechanic J-79 Powerplant 6025 Aircraft Powerplant Mechanic Rolls Royce Pegasus Powerplant 6026 Aircraft Powerplant Mechanic T-56 Powerplant 6027 Aircraft Powerplant Mechanic F-404 Powerplant 6122 Helicopter Powerplant Mechanic T-58 Powerplant 6123 Helicopter Powerplant Mechanic T-64 Powerplant 6125 Helicopter Powerplant Mechanic T-400 Powerplant 8/13/93 8300.10 CHG 9 Vol. 2 22-13 US MARINE CORPS CODES (Continued) Old MOS Codes Title Creditable Experience 6012 Aircraft Mechanic Airframe 6013 Aircraft Mechanic Airframe 6014 Aircraft Mechanic Airframe 6015 Aircraft Mechanic Airframe 6016 Aircraft Mechanic Airframe 6017 Aircraft Mechanic Airframe 6018 Aircraft Mechanic Airframe 6019 Aircraft Maintenance Chief Airframe & Powerplant 6022 Aircraft Powerplant Mechanic Powerplant 6023 Aircraft Powerplant Mechanic Powerplant 6024 Aircraft Powerplant Mechanic Powerplant 6025 Aircraft Powerplant Mechanic Powerplant 6026 Aircraft Powerplant Mechanic Powerplant 6027 Aircraft Powerplant Mechanic Powerplant 6028 Aircraft Powerplant Mechanic Powerplant 6029 Aircraft Powerplant Mechanic Powerplant 6042 Aircraft Structures Mechanic Airframe 6059 Aircraft Airframe Maintenance Chief Airframe 6092 Aircraft Structures Mechanic Airframe 6093 Aircraft Structures Mechanic Airframe 6094 Aircraft Structures Mechanic Airframe 6095 Aircraft Structures Mechanic Airframe 6096 Aircraft Structures Mechanic Airframe 6097 Aircraft Structures Mechanic Airframe 6098 Aircraft Structures Mechanic Airframe 6112 Helicopter Mechanic Airframe 6113 Helicopter Mechanic Airframe 6114 Helicopter Mechanic Airframe 6119 Helicopter Maintenance Chief Airframe & Powerplant 6122 Helicopter Powerplant Mechanic Powerplant 6123 Helicopter Powerplant Mechanic Powerplant 6124 Helicopter Powerplant Mechanic Powerplant 6125 Helicopter Powerplant Mechanic Powerplant 6142 Helicopter Structures Mechanic Airframe 6143 Helicopter Structures Mechanic Airframe 6144 Helicopter Structures Mechanic Airframe