6113 Helicopter Mechanic, CH-53
The CH-53E Super Stallion is the largest and most powerful helicopter in the U.S. military inventory. It lifts 16 tons of external cargo, carries 55 fully equipped Marines, and operates from amphibious assault ships across the Pacific and Atlantic. Keeping that machine airworthy is the job of the 6113 Helicopter Mechanic, CH-53, a Marine who specializes in one of the most demanding rotary-wing platforms in the Corps.

Job Role and Responsibilities
The 6113 Helicopter Mechanic, CH-53 performs organizational-level maintenance on the CH-53E Super Stallion heavy-lift helicopter, maintaining airframes, dynamic components, rotor systems, power plants, and associated systems to Naval Air Systems Command (NAVAIR) and NATOPS specifications. Marines in this MOS conduct scheduled inspections, troubleshoot mechanical and hydraulic faults, and return aircraft to mission-ready status in support of Marine Expeditionary Unit (MEU) and theater aviation operations. The role demands technical precision because the CH-53E carries personnel in some of the most demanding operational environments the Marine Corps faces.
A typical day starts with a maintenance check. You pull the cowlings on a T64 engine, run through the visual inspection, check for leaks and wear, and log what you find. An unscheduled event interrupts: a pilot squawked a hydraulic anomaly on the last flight. You pull the fault data, trace the discrepancy to an actuator, and start the replacement. That work might take four hours. Or it might uncover something deeper and take the aircraft offline for two days while parts arrive.
Daily Tasks
Work follows the squadron’s flight schedule and maintenance cycle. Core responsibilities include:
- Performing scheduled maintenance inspections (phase inspections, daily inspections, conditional inspections) on CH-53E aircraft
- Troubleshooting hydraulic, rotor head, transmission, and drive system discrepancies
- Conducting power plant (T64 turbine engine) on-aircraft maintenance within organizational authority
- Removing and installing major components including rotor blades, gear boxes, and hydraulic actuators
- Documenting all maintenance actions in NALCOMIS and the aircraft’s maintenance history record
- Participating in maintenance test flights as a crew chief when qualified
- Performing corrosion control and structural inspections on the airframe
Specific Roles
| Code | Description |
|---|---|
| 6113 | Helicopter Mechanic, CH-53 (primary MOS) |
| 6113/Crew Chief | Crew Chief designation earned after qualification; serves as crew chief on maintenance test flights and operational missions |
| NMOS | Additional designations may apply for Quality Assurance Representative (QAR) qualified Marines |
Mission Contribution
The CH-53E provides the Marine Corps its primary heavy-lift and assault support capability. Without maintained, airworthy aircraft, MEU commanders cannot move artillery, vehicles, or large numbers of Marines between ships and shore objectives. A well-maintained CH-53 fleet means the MEU commander has options. A poorly maintained fleet removes them.
Your signature on a maintenance form is not paperwork. It is a declaration that the machine behind it is ready to carry Marines into a fight.
Technology and Equipment
Daily work involves platform-specific tools and systems:
- CH-53E hydraulic test equipment and servicing carts
- Rotor track and balance (RTB) equipment for dynamic component analysis
- NALCOMIS for all maintenance transaction records
- T64 engine test and diagnostics tools
- Aircraft vibration analysis systems
- Standard aviation hand tools, precision torque wrenches, and calibrated measuring instruments
Salary and Benefits
All figures reflect 2026 active-duty basic pay rates from DFAS.
| Rank | Grade | Years of Service | Monthly Basic Pay |
|---|---|---|---|
| Private | E-1 | Less than 2 | $2,407 |
| Private First Class | E-2 | Less than 2 | $2,698 |
| Lance Corporal | E-3 | Less than 2 | $2,837 |
| Corporal | E-4 | Less than 2 | $3,142 |
| Corporal | E-4 | Over 4 | $3,659 |
| Sergeant | E-5 | Less than 2 | $3,343 |
| Sergeant | E-5 | Over 6 | $4,110 |
| Staff Sergeant | E-6 | Over 6 | $4,236 |
| Gunnery Sergeant | E-7 | Over 8 | $5,136 |
Additional Benefits
TRICARE Prime covers medical, dental, vision, mental health, and prescriptions for active-duty Marines at no cost. The Blended Retirement System (BRS) provides a pension at 20 years (40 percent of high-36 average basic pay) combined with TSP matching starting in the third year of service. The government matches up to 4 percent of basic pay when the Marine contributes 5 percent.
The Post-9/11 GI Bill covers full in-state public school tuition and up to $29,920.95 per year at private schools for the 2025-2026 academic year, with a housing allowance and up to $1,000 per year in book stipends. Federal Tuition Assistance covers up to $4,500 per year for coursework taken while on active duty.
Work-Life Balance
Marines earn 30 days of paid leave per year. CH-53 squadron schedules are demanding. Pre-deployment work-ups and high-flight-tempo periods produce consistent 12-hour shifts and weekend maintenance. Deployment rotations extend that pace for six to seven months at a stretch.
Qualifications and Eligibility
| Requirement | Detail |
|---|---|
| Citizenship | U.S. citizen or eligible national |
| Age | 17-29 (waiver to 35 possible) |
| Education | High school diploma or GED |
| AFQT minimum | 31 (high school diploma); 50 (GED) |
| ASVAB line scores | Verified at MEPS per NAVMC 1200.1L; MM (Mechanical Maintenance) composite is especially relevant |
| Physical | Meet current MEPS medical standards |
| Background | No disqualifying criminal history |
The PiCAT prescreen is available before MEPS but requires a proctored verification test before the score is official.
Application Process
Contact a Marine recruiter and discuss interest in the 61 rotary-wing aircraft maintenance field
Take the ASVAB or PiCAT prescreen at MEPS
Complete the MEPS physical examination
Sign an enlistment contract for the 61 OccFld or the broader aviation maintenance community
Platform assignment to CH-53 may occur based on school seat availability and Marine Corps needs.
Ship to Marine Corps Recruit Training
Selection Criteria and Competitiveness
Aviation maintenance billets are competitive. Strong MM and EL composite scores, a clean background, and no color-vision disqualifiers give the best standing. Prior mechanical work experience (automotive, HVAC, construction) is a recognized positive indicator.
Service Obligation
Standard active-duty enlistment contracts are 4 years. Some aviation contracts carry a longer obligation. Confirm terms with your recruiter before signing.
- ASVAB Online Course Guided lessons and timed practice for the line score this MOS needs.
- ASVAB Study Guide Self-paced study with full-length practice exams and answer explanations.
Work Environment
CH-53 mechanics work in hangars, maintenance bays, and on the flight line apron. The aircraft is large, which means climbing into engine bays, rotor heads, and tail sections is routine. Work happens in noise-intensive environments and hearing protection is mandatory on the flight line. Shift work follows the squadron’s flight schedule, and overnight maintenance is common before high-tempo fly days.
Leadership and Communication
Mechanics report through a Maintenance Control structure to the Maintenance Officer. Crew chiefs working operational missions interface directly with pilots for post-flight write-ups and pre-flight inspections. Senior mechanics mentor junior Marines through aircraft-specific qualification syllabus requirements, and that mentorship relationship is close because the work requires it.
Team Dynamics and Autonomy
Line maintenance on the CH-53 is team-driven. Major component removals require multiple mechanics working together. As proficiency builds, senior Marines take on crew chief responsibilities and work with less direct supervision. The qualification process is formalized, so advancement in autonomy is earned through a documented progression rather than informal judgment.
Job Satisfaction
Marines who genuinely like mechanical systems and take pride in keeping a complex aircraft flying consistently report high satisfaction in this MOS. The CH-53 is a legacy platform with a strong community identity inside Marine aviation. Mechanics who stay with the platform long enough become genuinely expert, and that expertise carries real weight inside and outside the Corps.
Training and Skill Development
| Phase | Location | Length | Focus |
|---|---|---|---|
| Boot Camp | MCRD San Diego or Parris Island | 13 weeks | Marine fundamentals, discipline, physical conditioning |
| Marine Combat Training (MCT) | SOI-West (Camp Pendleton) or SOI-East (Camp Lejeune) | 29 days | Infantry combat skills for non-infantry Marines |
| MOS School (CH-53 Mechanic Course) | NATTC Pensacola, FL | Approx. 14-18 weeks | CH-53E airframe, rotor systems, hydraulics, T64 engine, NALCOMIS |
| Unit-Level Qualification | Assigned squadron | 6-18 months | Practical qualification syllabus, crew chief qualification |
NATTC Pensacola is where the formal platform training occurs. The CH-53E course is one of the longer rotary-wing mechanic programs because the aircraft’s complexity demands deep training before a mechanic is released to a squadron. You study the T64 engine, rotor head components, transmission and drive systems, hydraulic circuits, and the airframe structural system.
Unit-level qualification continues after arrival at the squadron. You work through a documented qualification syllabus, demonstrating each maintenance task under supervision before earning sign-off. Crew chief designation requires additional flight-hour and check-ride standards after basic qualification is complete.
Advanced Training
Senior 6113 Marines pursue Quality Assurance Representative (QAR) designation, which authorizes them to inspect and accept the work of other mechanics. Aviation Crew Chief qualification expands operational roles. Marines may attend advanced hydraulics, rotor track and balance, and structural repair courses through NAVAIR-sponsored training. The CH-53K King Stallion, which is replacing the CH-53E fleet, will require transition training for mechanics already qualified on the older platform.
Career Progression and Advancement
| Rank | Grade | Typical Time in Service | Role |
|---|---|---|---|
| Private | E-1 | Entry | Student |
| Private First Class | E-2 | 6-12 months | New-join mechanic, supervised maintenance |
| Lance Corporal | E-3 | 12-18 months | Mechanic building aircraft-specific qualification |
| Corporal | E-4 | 2-4 years | Qualified mechanic, working toward crew chief |
| Sergeant | E-5 | 4-8 years | Crew chief, Maintenance Section Chief |
| Staff Sergeant | E-6 | 8-12 years | Maintenance Control, QAR, or MALS billet |
| Gunnery Sergeant | E-7 | 12-16 years | Senior SNCO, maintenance management |
| Master Sergeant/First Sergeant | E-8 | 16-20 years | Department SNCO or First Sergeant |
Promotion to Corporal is time-based with performance inputs. From Sergeant upward, promotion is competitive based on FITREPs, PFT and CFT scores, and billet performance.
What separates top performers: aircraft availability rates that trace back to your maintenance section, crew chief flight hours that demonstrate operational value, and a reputation for clean NALCOMIS records and caught discrepancies. Aviation Maintenance Officers track these numbers, and the mechanics who move those numbers upward earn the evaluations that drive competitive promotion.
Role Flexibility and Transfers
Marines can apply for LATMOVE transfers with command approval. Common paths from 6113 include 6116 (MV-22 Osprey), 6114 (UH/AH-1), and MALS avionics or maintenance management billets. Some Marines with strong records pursue the warrant officer program as an Aircraft Maintenance Engineer Officer.
Performance Evaluation
Proficiency and conduct marks for E-1 through E-4. Annual FITREPs for Staff NCOs and above. Crew chief qualification status, QAR designation, and documented qualification progress are all visible markers that inform FITREP language and competitive standing.
Physical Demands and Medical Evaluations
The 6113 MOS is physically demanding. Mechanics climb into engine bays and rotor heads, lift components that weigh 50 to 100 pounds, and work in awkward positions during component removals. Sustained physical work during maintenance surges, combined with shift hours and heat exposure on the flight line, requires genuine fitness beyond passing a test.
All Marines meet the same PFT and CFT standard regardless of MOS.
| Test | Event | Male 17-20 Min | Male 17-20 1st Class | Female 17-20 Min | Female 17-20 1st Class |
|---|---|---|---|---|---|
| PFT | Pull-ups (or push-ups) | 3 pull-ups | 20 pull-ups | 1 pull-up | 7 pull-ups |
| PFT | Crunches (3 min) | 70 | 105 | 70 | 105 |
| PFT | 3-mile run | 28:00 | 18:00 | 31:00 | 21:00 |
| CFT | Movement to Contact (880m) | 3:48 | 2:45 | 4:40 | 3:17 |
| CFT | Ammo Can Lifts (2 min) | 42 | 85 | 42 | 85 |
| CFT | Maneuver Under Fire | 3:34 | 2:13 | 4:29 | 2:40 |
Full PFT and CFT scoring tables by age group and gender are at fitness.marines.mil.
Medical Evaluations
Standard MEPS physical is required before enlistment. Annual Periodic Health Assessments continue throughout service. Hearing conservation is mandatory for personnel regularly exposed to helicopter operations. Crew chief billets may require flight physicals at the squadron flight surgeon level, which are more detailed than the standard annual PHA.
Deployment and Duty Stations
CH-53 squadrons deploy frequently. MEU rotations of six to seven months aboard amphibious assault ships are the standard deployment format. CH-53 units also deploy in support of Marine Rotational Force and theater security cooperation missions across the Pacific and Atlantic theaters.
Where You Will Serve
CH-53E squadrons are concentrated at a limited set of installations:
- MCAS New River (Jacksonville, NC): home of the East Coast CH-53E community (HMH squadrons); largest CH-53 concentration in the Corps
- MCAS Miramar (San Diego, CA): West Coast CH-53E squadrons with access to San Diego quality of life
- MCB Hawaii (Kaneohe Bay): forward-deployed Pacific operations with overseas-assignment benefits
- MCAS Iwakuni (Japan): forward-deployed Pacific aviation base
New River and Miramar will be the most common assignments for most 6113 Marines. The two communities rotate: you will likely go East Coast, then West Coast, or the reverse over a career. Each move comes with a PCS order and BAH that adjusts to the new location.
The CH-53K King Stallion is entering fleet service at MCAS New River, and transition training for E-model mechanics is already underway. If you join this community in the next few years, expect to encounter both platforms during your career.
Risk, Safety, and Legal Considerations
Job Hazards
Helicopter maintenance carries specific risks that differ from fixed-wing and ground maintenance work. You will encounter these hazards regularly:
- Rotor wash during ground turns: the CH-53’s three main rotors generate significant downwash that can knock a person down and throw unsecured tools
- High-energy rotating components in the transmission and tail rotor system
- Fuel system work: jet fuel and hydraulic fluid exposure, spill risk during servicing operations
- Overhead lifts of heavy components using slings and cranes
- Noise hazard: constant high-level exposure from engine and rotor operations
- Work at height during rotor head and tail section maintenance
Safety Protocols
NAMP directives, NATOPS procedures, and crew chief operating standards govern all CH-53 maintenance. Hearing protection is mandatory during any engine or rotor operation. Lock-out/tag-out procedures apply to hydraulic and electrical systems before maintenance begins. Personal fall arrest systems are required when working at height on the tail section and rotor head.
Ground guide procedures control all aircraft movement on the flight line. No one walks through a rotor arc without a positive clearance.
Security and Legal Requirements
Most CH-53 mechanic billets do not require a security clearance. Some operational assignments with sensitive programs may require a Secret clearance. Standard military contractual obligations apply. Your signature on an aircraft forms means something legally: if you clear an aircraft for flight and a maintenance discrepancy you should have caught contributes to an incident, the investigation will trace back to your name.
Impact on Family and Personal Life
CH-53 squadrons operate at a demanding tempo. MEU deployments of six to seven months are followed by post-deployment recovery periods, then pre-deployment work-ups that can be nearly as intense as the deployment itself. Families living through that cycle need support, and Marine Corps installations are structured to provide it.
Life at CH-53 Installations
MCAS New River in Jacksonville, North Carolina is a large installation with a primarily military-focused community around it. Housing in Jacksonville is affordable compared to most Marine Corps duty stations, and the Outer Banks beaches are within an hour’s drive. The installation has a full-service hospital, extensive childcare, and the family programs that come with one of the Marine Corps’ largest rotary-wing hubs.
MCAS Miramar in San Diego offers the opposite experience in terms of surroundings. Cost of living is much higher, but the weather, beach access, and variety of things to do outside the gate make it one of the most requested duty stations in the Corps. Families who rotate between New River and Miramar often describe the contrast as dramatic and mostly positive.
PCS moves between East and West Coast communities happen roughly every two to three years. The Marine Corps covers household goods transportation, and BAH adjusts automatically to the new location and dependency status.
Support Systems
Marine Corps Family Team Building provides pre-deployment and reintegration programs, a key volunteer network, and family readiness support throughout the deployment cycle. Military OneSource offers free counseling, financial planning, and family resources. TRICARE Prime covers enrolled family members at no premium.
Marine Corps Reserve
| Category | Active Duty | Marine Corps Reserve |
|---|---|---|
| Commitment model | Full-time, 4-year contract | One weekend/month + 2 weeks/year Annual Training |
| Monthly pay (E-4) | $3,142-$3,659 | Approx. $514-$598 per drill weekend |
| Healthcare | TRICARE Prime (no cost) | TRICARE Reserve Select (premium-based) |
| Education benefits | Full TA + Post-9/11 GI Bill | GI Bill available; TA varies by activation |
| Deployment tempo | Regular MEU and theater deployments | Periodic mobilization; less frequent |
| Retirement | 20-year pension at 40% high-36 | Points-based; collect at age 60 |
Reserve CH-53 billets exist but are limited because the platform is concentrated at a small number of installations. Access to real aircraft and meaningful maintenance repetition depends heavily on the specific reserve unit and its equipment. Active duty is the clearer path for Marines who want maximum CH-53 experience early in their career.
Civilian Career Integration
Reserve service pairs with civilian aviation mechanic careers and defense contractor work supporting CH-53 programs. Sikorsky/Lockheed Martin, which manufactures the CH-53, and their contractor network actively recruit experienced Marine mechanics. USERRA protects Reservists’ civilian employment during and after mobilization. ESGR supports employer-Reservist relationships.
Post-Service Opportunities
CH-53 mechanics build deep technical expertise that is directly marketable in civilian aerospace and defense markets.
| Civilian Job Title | BLS Median Annual Salary | Job Outlook |
|---|---|---|
| Aircraft Mechanics and Service Technicians | $75,400 | +6% |
| Aerospace Assemblers and Fabricators | $62,600 | Stable |
| Avionics Technicians | $76,900 | +4% |
| Helicopter Maintenance Technicians (Contractor) | $65,000-$90,000 | Strong demand in defense and oil and gas |
Salary data from the Bureau of Labor Statistics Occupational Outlook Handbook.
FAA Airframe and Powerplant (A&P) mechanic certification is the strongest post-service credential. The military maintenance experience counts toward A&P testing requirements at most FAA-approved schools. Defense contractors supporting NAVAIR CH-53 programs, including Sikorsky/Lockheed Martin, actively recruit experienced CH-53 mechanics from the Marine Corps. The Transition Readiness Program and Helmets to Hardhats both support veteran transitions into aviation and trades careers.
Is This a Good Job for You? The Right (and Wrong) Fit
The 6113 MOS is built for Marines who genuinely want to work on complex mechanical systems and do not mind demanding hours, physical work, and a culture where precision is non-negotiable.
Strong fit if you:
- Want deep expertise on one of the most capable helicopters in the U.S. military
- Enjoy mechanical systems, troubleshooting, and hands-on component work
- Can handle long hours and irregular schedules built around flight operations
- Want clear civilian transferability through FAA A&P certification
- Are interested in aviation careers in defense contracting, airlines, or commercial helicopter operations
Potential challenges:
- Physical demands are real and sustained; this is not a desk job, and the fatigue accumulates over a deployment
- Deployment tempo is high; pre-deployment work-ups extend the intensity beyond the deployment itself
- Platform-specific skills need FAA certification to translate most directly to civilian employment
- CH-53K transition will require retraining for mechanics already qualified on the older CH-53E
Marines who thrive in this MOS describe the CH-53 community as tight-knit, technically demanding, and genuinely rewarding for people who take aircraft readiness personally.
This site is not affiliated with the U.S. Marine Corps or any government agency. Verify all information with official Marine Corps sources before making enlistment or career decisions.
More Information
Contact a Marine Corps recruiter or visit your nearest Marine Corps Recruiting Station to confirm current ASVAB line-score requirements, platform availability, and contract options in the 61 rotary-wing aviation maintenance field.
Explore more Marine Corps rotary-wing maintenance careers such as 6114 Helicopter Mechanic, UH/AH-1 and 6116 Tiltrotor Aircraft Mechanic, MV-22.
Need score context? Review the ASVAB guide and the PiCAT guide before publishing permanent MOS content.