Army Reserve
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Military Occupational Specialty Aircraft Powertrain Repairer.

The Aircraft Powertrain Repairer MOS is a member of the maintenance team that keeps the Army’s powerful helicopters in the air.

The Army employs a vairiety of Helicopters that serve many functions, ranging from Observation and transportation to combat. The Aircraft Powertrain Repairer has the responsibility to keep these helicopters in the sky.

These Soldiers work on the aircraft’s powertrain to repair the components that transmit the engines power through the drivetrain to both rotor assemblies.
After successfully completing 10 weeks of Army Basic Combat Training, you will attend Advanced Individual Training at Fort Eustis, Virginia.

Where you will learn to identify components of the powertrain system and to remove, disassemble, and inspect the powertrain for wear and physical damage and decide whether to repair or replace critical compnents.

You will learn to apply these skills to a variety of helicopters to include the UH-60 Blackhawk, the AH-64 Apache and the CH-47 Chinook.
You’ll use technical manuals to perform proper maintenance procedures on rotor assemblies and to keep precise records of all repairs and inspections you made.

After your advanced individual training, you’ll perform rewarding work and participate in unique assignments in the US and around the world.

Though most of your work will be inside maintenance shops, you may be required to work in the field or on the flight line.

Where your duties may include performing Non-destructive Inspections on aircraft parts, such as magnetic particle inspections and fluorescent penetrant inspections to determine if there are defects in any aircraft components.

Serving as a Aircraft Powertrain Repairer can help you transition from the military to the Civilian employment sector because your abilities in leadership, teamwork, and problem solving are skills and values in demand by Civilian employers.

Aircraft Powertrain Repairer are crucial to our Army aircraft because these Soldiers maintain the components that keep the rotors turning and the helicopters in the sky.

Military Occupational Specialty.

Aircraft Powertrain Repairer.

Aircraft Powertrain Repairer (15D)

  • Enlisted
  • Officer
  • Active Duty
  • Army Reserve
  • National Guard
  • Entry Level


The aircraft powertrain repairer is primarily responsible for supervising, inspecting and performing maintenance on aircraft powertrain systems. With hundreds of Army missions depending on airplanes and helicopters, they must ensure that all of them are safe and ready to fly.

Job Duties

  • Repair powertrain quills, transmission adapting parts, rotary wing hubs and tanks
  • Disassemble, repair, reassemble, adjust, balance and align powertrain systems
  • Maintain facilities for storage of flammable and hazardous materials
  • Prepare requests for turn-ins and repair parts


Those who want to serve must first take the Armed Services Vocational Aptitude Battery, a series of tests that helps you better understand your strengths and identify which Army jobs are best for you.


Job training for an aircraft powertrain repairer requires 10 weeks of Basic Combat Training and 18 weeks of Advanced Individual Training with on-the-job instruction. Part of this time is spent in the classroom and in the field.

Some of the skills you’ll learn are:

  • Repair of hydraulic, fuel and electrical systems
  • Engine disassembly, inspection and repair
  • Repair of aluminum, steel and fiberglass airframes/coverings

Helpful Skills

  • Preference in mathematics and shop mechanics
  • Interest in working with aircrafts
  • Ability to use hand and power tools
  • Working with engine mechanics

Required ASVAB Score(s)

Mechanical Maintenance (MM): 104

Learn more about the ASVAB and see what jobs you could qualify for.


Total compensation includes housing, medical, food, special pay, and vacation time. Learn more about total compensation.

Earn Cash For In Demand Jobs

You could earn up to $40,000 in cash bonuses just for enlisting under certain Military Occupational Specialties. Visit Jobs in Demand to see if this job qualifies for an enlistment bonus.

Education Benefits

In the Army, qualified students can earn full-tuition, merit-based scholarships, allowances for books and fees, plus an annual stipend for living expenses. Learn more about education benefits.

Future Civilian Careers

The skills you learn will help prepare you for a career as an airframe/power plant mechanic with aircraft manufacturers, commercial airlines and government agencies.


Those interested in this job may be eligible for civilian employment, after the Army, by enrolling in the Army PaYS program. The PaYS program is a recruitment option that guarantees a job interview with military friendly employers that are looking for experienced and trained Veterans to join their organization. Find out more about the Army PaYS Program at

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