61 Aircraft Maintenance (Rotary-Wing)
Marine Corps OccFld 61 covers rotary-wing and tiltrotor aircraft maintenance. It is a platform-driven maintenance field where the exact aircraft matters a lot to the day-to-day work, but the larger mission is always the same: keep aviation units ready to fly.
This field fits Marines who want technical aviation work without pursuing the pilot route.
The field centers on platform-specific maintenance communities, which means the job changes with the aircraft but still keeps the same readiness mindset. Inspections, troubleshooting, documentation, and safe maintenance habits all matter here. It is one of the cleaner technical pathways for Marines who want aviation experience that can later connect to civilian maintenance or aerospace-adjacent work.
At a Glance
| Area | What to know |
|---|---|
| Field purpose | Maintain rotary-wing and tiltrotor aircraft for squadron readiness |
| Representative roles | CH-53, UH/AH-1, and MV-22 maintenance lanes |
| Screening themes | Mechanical discipline, safety, and comfort with aviation maintenance procedures |
| Training anchor | Boot Camp, Marine Combat Training, and platform-specific aviation maintenance schooling |
| Reserve note | Reserve access depends on unit, platform, and billet availability |
Which Role Fits You?
Choose 6113 Helicopter Mechanic, CH-53 if the ch-53e super stallion is the largest and most powerful helicopter in the u.s.
Choose 6114 Helicopter Mechanic, UH/AH-1 if the uh-1y venom carries troops and resupply.
Choose 6116 Tiltrotor Aircraft Mechanic, MV-22 if the mv-22 osprey is not a helicopter.
Common Entry Requirements
All enlisted Marines in this occupational field enlist with a minimum AFQT of 31, a high school diploma, U.S. citizenship, and MEPS medical clearance. Boot Camp is the first training gate: 13 weeks at MCRD San Diego or Parris Island. After graduation, Marines complete Marine Combat Training or the Infantry Training Battalion before attending their MOS-specific school. See each role’s profile below for specific ASVAB line scores, training details, and additional requirements.
Career Field Directory
- 6113 Helicopter Mechanic, CH-53 : The CH-53E Super Stallion is the largest and most powerful helicopter in the U.S
- 6114 Helicopter Mechanic, UH/AH-1 : The UH-1Y Venom carries troops and resupply
- 6116 Tiltrotor Aircraft Mechanic, MV-22 : The MV-22 Osprey is not a helicopter
Related Resources
Start with the ASVAB guide and PiCAT guide for broad planning. Then compare Marine aviation jobs if you want the wider aviation picture.