OCC Field 61Marine Corps photo by Cpl. James Guillory. Released for public use.

MOS OCC Field 61: Aircraft Maintenance (Rotary-Wing)

For additional information, see the official Department of the Navy Headquarters Marine Corps MOS Manual:
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AIRCRAFT MAINTENANCE (ROTARY-WING): OCCUPATIONAL FIELD 61
Specialty School Location FB Page FB Page2
6111 Helicopter/Tiltrotor Mechanic-Trainee
Train with supervisors/senior marines to learn a helicopter/tiltrotor mechanic position.
NAS Pensacola, FL FB Page  
6113 Helicopter Mechanic, CH-53
Helicopter/tiltrotor mechanics are trained for to repair and maintain systems and components associated with helicopter blades, motors, hydraulics, and landing support gear. Additionally, they understand flight line operations and follow guidelines to ensure safe working practices while working on aircraft.
MCAS New River, NC    
6114 Helicopter Mechanic, UH/AH-1
Helicopter/tiltrotor mechanics are trained for to repair and maintain systems and components associated with helicopter blades, motors, hydraulics, and landing support gear. Additionally, they understand flight line operations and follow guidelines to ensure safe working practices while working on aircraft.
MCAS Camp Pendleton, CA    
6116 Tiltrotor Mechanic, MV-22
Helicopter/tiltrotor mechanics are trained for to repair and maintain systems and components associated with helicopter blades, motors, hydraulics, and landing support gear. Additionally, they understand flight line operations and follow guidelines to ensure safe working practices while working on aircraft.
MCAS New River, NC    
6122 Helicopter Power Plants Mechanic, T-58
Upkeep, maintain, and adjust components of helicopter power plants and power plant systems.
NAS Pensacola, FL FB Group  
6123 Helicopter Power Plants Mechanic, T-64
(Ranks: GySgt to Pvt) Helicopter Power Plants Mechanics, T-64; inspect, maintain, test, repair, and perform complete repair of helicopter power plants and power plants systems.
NAS Pensacola, FL FB Group  
6124 Helicopter Power Plants Mechanic, T-400/T-700
Upkeep, maintain, and adjust components of helicopter power plants and power plant systems.
NAS Pensacola, FL FB Group  
6132 Helicopter/Tiltrotor Dynamic Components Mechanic
Inspect, maintain, and repair all dynamic components in helicopters and tiltrotor aircraft.
MCAS New River, NC    
6153 Helicopter Airframe Mechanic, CH-53
These mechanics inspect, repair, and maintain all aspects of helicopter/tiltrotor airframes.
NAS Pensacola, FL FB Group  
6154 Helicopter Airframe Mechanic, UH/AH-1
These mechanics inspect, repair, and maintain all aspects of helicopter/tiltrotor airframes.
NAS Pensacola, FL FB Group  
6156 Tiltrotor Airframe Mechanic, MV-22
These mechanics inspect, repair, and maintain all aspects of helicopter/tiltrotor airframes.
NAS Pensacola, FL FB Group  
6173 Helicopter Crew Chief, CH-53
Crew chief are in charge of preparing aircraft for landing and take-off, ensuring that all maintenance is up to date, ensuring that the interior is in good working order and safe for passengers, manning weapon systems aboard the aircraft, and assisting pilots with whatever is asked of them.
Not Listed    
6174 Helicopter Crew Chief, UH-1
Crew chief are in charge of preparing aircraft for landing and take-off, ensuring that all maintenance is up to date, ensuring that the interior is in good working order and safe for passengers, manning weapon systems aboard the aircraft, and assisting pilots with whatever is asked of them.
Not Listed    
6176 Tiltrotor Crew Chief, MV-22
Crew chief are in charge of preparing aircraft for landing and take-off, ensuring that all maintenance is up to date, ensuring that the interior is in good working order and safe for passengers, manning weapon systems aboard the aircraft, and assisting pilots with whatever is asked of them.
Not Listed    
6177 Weapons and Tactics Crew Chief Instructor
(Ranks: MGySgt to LCpl) The Weapons and Tactics Instructors (WTI) are the primary instructor, for all designated crew chiefs (CC) and all aerial observers (AO), in the tactical employment and Marine Air Ground Task Force (MAGTF) integration of their respective aircraft/mission/weapons systems, during operations in all environmental/threat conditions.
Not Listed    
6178 VH-60N Presidential Helicopter Crew Chief
(Ranks: MGySgt to LCpl) Presidential Helicopter Crew Chiefs are flight crewmembers that perform duties incident to the maintenance and operation of Marine VH60N Helicopters of the executive flight detachment at HMX-1.
Not Listed    
6181 VH-XX Presidential Helicopter Crew Chief
(Ranks: MGySgt to LCpl) VH-XX Presidential Helicopter Crew Chiefs are flight crewmembers that perform duties incident to the maintenance and operation of Marine VH-XX Helicopters of the Executive Flight Detachment at HMX-1.
Not Listed    
6199 Enlisted Aircrew/Aerial Observer/Gunner
(Ranks: MGySgt to Pvt) Enlisted Aircrew/Aerial Observers/ Aerial Gunners are flight crew members who, when assigned to the flight schedule, are responsible to the pilot in command to assist the crew chief while in operation of the aircraft and associated mission/weapons systems.
Not Listed    
Click the hashtag below for the Guide on this OCC in our Facebook Group.
#OccField61 includes the following MOS:
6111 Helicopter/Tiltrotor Mechanic-Trainee, MOS School:  NAS Pensacola, FL
6113 Helicopter Mechanic, CH-53, MOS School:  MCAS New River, NC
6114 Helicopter Mechanic, UH/AH-1, MOS School:  MCAS Camp Pendleton, CA
6116 Tiltrotor Mechanic, MV-22, MOS School:  MCAS New River, NC
6122 Helicopter Power Plants Mechanic, T-58, MOS School:  NAS Pensacola, FL
6123 Helicopter Power Plants Mechanic, T-64, MOS School:  NAS Pensacola, FL
6124 Helicopter Power Plants Mechanic, T-400/T-700, MOS School:  NAS Pensacola, FL
6132 Helicopter/Tiltrotor Dynamic Components Mechanic, MOS School:  MCAS New River, NC
6153 Helicopter Airframe Mechanic, CH-53, MOS School:  NAS Pensacola, FL
6154 Helicopter Airframe Mechanic, UH/AH-1, MOS School:  NAS Pensacola, FL
6156 Tiltrotor Airframe Mechanic, MV-22, MOS School:  NAS Pensacola, FL
6173 Helicopter Crew Chief, CH-53, MOS School:  N/A
6174 Helicopter Crew Chief, UH-1, MOS School:  N/A
6176 Tiltrotor Crew Chief, MV-22, MOS School:  N/A
6177 Weapons and Tactics Crew Chief Instructor, MOS School:  N/A
6178 VH-60N Presidential Helicopter Crew Chief, MOS School:  N/A
6181 VH-XX Presidential Helicopter Crew Chief, MOS School:  N/A
6199 Enlisted Aircrew/Aerial Observer/Gunner, MOS School:  N/A
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