633X - Aviation Maintenance Specialty LDO

Designator Description


Officer managers in the field of aircraft maintenance. Plan/supervise execution of aviation maintenance programs at the organizational, intermediate, and depot levels; develop quality assurance standards and procedures to ensure flight safety and proper material condition of aircraft; develop and administer programs for the development, testing, and evaluation of aircraft maintenance systems and methods; develop, review, and verify aircraft maintenance logs, records, and reports; analyze new developments and technological advances in aviation maintenance; administer aeronautical material procurement programs. They may serve as, but are not limited to serving as, aircraft branch and division officers, maintenance/material control officers, quality assurance officers, and aircraft maintenance officers in operational and staff billets.

Voluntary Education

Voluntary Education

In addition to obtaining certifications in your field, voluntary education is another way to enhance job performance. Options for voluntary education include:

For help in making informed choices on schools, education programs, and using tuition assistance, see:


You can use the Engage My Career Tool on MilGears to enter personalized information to learn about degree programs related to your training and experience and next steps towards pursuing a degree.

Additional Information

Additional information pertaining to 633X - Aviation Maintenance Specialty LDO can be found below.

Federal Aviation Administration

At the FAA, Air Traffic Control Specialists (ATCS) have three distinct areas of specialization :

  1. Terminal (Tower) Controllers, who control air traffic at airports and give pilots taxiing and takeoff instruction, air traffic clearances and advice
  2. En Route Center Controllers, who give aircraft instructions, air traffic clearances, and advice regarding flight conditions while en route between airports
  3. Flight Service Station Controllers, who provide preflight, in-flight and emergency assistance to all pilots on request

In addition to an Air Traffic Controller certificate, air traffic control specialists must possess :

  • A rating for the facility to which they are assigned. This facility rating requires a demonstrated knowledge of the kind and location of radio aids to air navigation, the terrain, the landmarks, the communications systems and circuits, and the procedures peculiar to the area covered by the facility. All required certificates and ratings must be obtained within time limits established by the agency management.
  • At least a second class Medical Examination detailed in 14 CFR Part 67. Medical examinations must be conducted by a FAA-designated Aviation Medical Examiner.

Although there are provisions for hiring individuals with no previous air traffic controller experience, as of early 2002, the FAA is only hiring graduates of FAA-approved post-secondary educational programs, current or former federal employees (including former military members eligible for a Veteran's Readjustment Appointment), or Retired Military Air Traffic Controllers for positions in the En Route Center or Terminal specialty areas.

To be eligible for the program, you must meet all of the following criteria :

  • Be on terminal leave pending retirement from active duty military service or have retired from active duty military service on or after September 17, 1999.
  • Have received either an air traffic control specialist certification and/or a facility rating according to FAA standards.
  • Meet all application, qualification and position requirements, including applicable medical and security requirements.

Controllers hired under this program are given time-limited appointments, meaning that their appointments will have a specific termination date attached to them. The initial appointment may be up to 10 years and may not exceed the last day of the month in which the controller turns age 56. Appointments can be extended for up to five years at a time.

You will be required to submit a Retired Military Controller Specialist Job Application and proof of your retired status (Form DD 214). Do not submit the OF-612 federal job application form. Other FAA Application Forms you may need are located at the FAA website.

Eligibility requirements, privileges, and performance standards for Air Traffic Tower Operators and Aircraft Dispatchers are detailed in 14 CFR Part 65.

Collateral Duty / Out of Rate Assignments

Navy collateral duties/out of rate assignments play a vital role in the day-to-day operations and duties that Officers and Enlisted Sailors perform. Certifications and licenses are also available in these collateral duties/out of rate assignments, so please go to the Collateral Duty/Out of Rate Assignments search feature (under the Navigator) and explore more opportunities to get certified.

Opportunities Related to Academic Degrees

Out of rate or designator requests for exam funding for credentials related to an earned academic degree or a semester course may also be funded if it can be directly related to an industry certification or state license.

For example, if you have a degree in Human Resources but are serving as a Culinary Specialist, you can get funding for a Professional in Human Resources (PHR) certification.

If the completed degree is not in the Sailor's Joint Service Transcript (JST), the Sailor must provide proof of completion with the Voucher Request Form, OPNAV 1500/57 for funding approval. The requested credential must be included on the Navy COOL website, and the Sailor must meet all other eligibility requirements.

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Opportunities for Prior Rate or Designator Sailors

If you have cross-rated or redesignated, you now are eligible for certifications and licenses mapped to your prior rating or designator. The “Navy Bucks” icon on the Navy COOL page for your previous position/rate indicates which certifications and licenses may be funded.

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Opportunities Related to Off-Duty or Command-Sponsored Training

If you can document that you have completed an on- or off-duty training course that fully prepares you for a civilian certification or license, you may now be eligible to have the credential exam funded.

For example, if you took a Command-sponsored Emergency Medical Technician course, you may be eligible for funding for an EMT Basic credential.

The requested credential must appear on Navy COOL, although it does not need to show the Navy Bucks icon to be funded.

College course completion must be annotated in your Joint Service Transcript. Formal off-duty or command-sponsored training should be visible in your Electronic Training Jacket (ETJ). In lieu of an ETJ entry (where training cannot be entered into the ETJ) you will need to submit some form of, proof of completion (a certificate of completion from the course/training is sufficient). If neither of the previously mentioned methods of validating proof of completion are available, then a command correspondence (such as a command letter, memo, or PG-13 form) describing the training along with the OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Opportunities for Navy Reservists

If you are a Navy Reservist, officer or enlisted, you may now be eligible for funding for credentials related to your civilian occupation. The certification or license must have relevance to the needs of the Navy, and must appear on Navy COOL, although it does not need to show the Navy Bucks icon to be funded.

To validate your civilian occupation, you will need a screen shot from Navy Standard Integrated Personnel System (NSIPS) showing the Civilian Occupational Code. Please send the NSIPS screenshot with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

In lieu of NSIPS documentation you may also submit a command endorsed and executed NAVPERS 1070/613 (PG-13) Administrative Remarks form noting your civilian occupation along with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form). You must sign the PG-13.

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Prior Other-Service Occupation

If you are Navy (Active or Reserve), you may now be eligible for funding for credentials related to prior other-Service (Army, Air Force, Marine Corps, Coast Guard) occupation. The certification or license must have relevance to the needs of the Navy, and must appear on Navy COOL, although it does not need to show the Navy Bucks Navy Bucks icon icon to be funded.

To validate your prior other-Service occupation, you will need to provide Navy COOL with a document (e.g. DD-214; or Military Service School completion certificate; or other document) showing your other-Service occupation. Please send the document (scanned & emailed) with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

Credentials Earned & Maintained Prior to Joining the Navy

If you are Navy (Active or Reserve), you may now be eligible for funding for credentials that were earned, and maintained, prior to entering the Navy. The certification or license must have relevance to the needs of the Navy, and must appear on Navy COOL, although it does not need to show the Navy Bucks Navy Bucks icon icon to be funded.

To validate your earned & maintained credential, you will need to provide Navy COOL with a scanned or emailed document (e.g. credential certificate document, screenshot from your credential dashboard, digital badge, etc…) showing the credential earned and maintained. Please send the document (scanned & emailed) with your OPNAV 1500/57 Professional Certification and Licensing Voucher Request (COOL Voucher Request Form).

As with any credential, you must meet all other eligibility criteria and the certification or license vendors' requirements.

This is an official U.S. Navy websiteUpdated: January 29, 2021
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Click here to go to Certified Safety Professional (CSP) COOL Snapshot page.

Renewal Period: 5 years

The Board of Certified Safety Professionals (BCSP), Certified Safety Professional (CSP) is an intermediate-level credential for professionals who support workplace safety practices. CSPs conduct worksite assessments, determine risk, measure hazards and controls, evaluate risk and hazard control measures, investigate incidents, maintain incident and loss records, and prepare emergency response plans. CSP candidates must meet experiential requirements that relate to the field of workplace safety. Candidates must pass a written exam.
Click here to go to Certified Plant Maintenance Manager (CPMM) COOL Snapshot page.

The Certified Plant Maintenance Manager (CPMM) posesses the professional expertise and knowledge required to successfully perform plant and facilities supervisory activities. Candidates must have a minimum of two years of experience in maintenance management. Candidates must also pass a written examination. Recertification occurs through earning at least five recertification credits every three years.
Click here to go to Inspection Authorization (IA) COOL Snapshot page.

Renewal Period: 2 years

The Federal Aviation Administration (FAA), Inspection Authorization (IA) permits airframe and powerplant mechanics to perform greater variety of maintenance functions and alterations than any other single entity. The FAA initiated the issuance of the IA more than 40 years and since have allowed qualified mechanics the privilege of performing certain inspections that have served well in the maintenance of the U.S. Civil Fleet. Candidates must meet prerequisite and experience requirements. Candidates must pass a written exam.
Click here to go to Mechanic (Powerplant) COOL Snapshot page.

Renewal Period: 24 months

The Federal Aviation Administration (FAA), Mechanic (Powerplant) is a mid-level certification. Powerplant mechanics are authorized to work on engines and do limited work on propellers. Mechanics work in hangars, repair stations, or out on the airfield on the "flight lines" where aircraft park. Applicants must meet FAA's training and experience requirements. Applicants must pass written and practical exams.
Click here to go to Mechanic (Airframe) COOL Snapshot page.

The Federal Aviation Administration (FAA), Mechanic (Airframe) credential is for mechanics who perform or supervise the maintenance, preventive maintenance or alteration of airframes. Airframe mechanics are authorized to work on any part of the aircraft except the instruments, power plants, and propellers. Airframe mechanics work in hangars, repair stations, or out on the airfield on the "flight lines" where aircraft park. Mechanic (Airframe) applicants must be at least 18 years old, be able to read, write, speak and understand English, and meet education, training and experience requirements. Applicants must also pass written, oral, and practical exams.
Click here to go to Mechanic (Airframe & Powerplant) COOL Snapshot page.

The Federal Aviation Administration (FAA), Mechanic (Airframe & Powerplant) is a senior-level certification. Airframe mechanics are authorized to work on any part of the aircraft except the instruments, power plants, and propellers. Powerplant mechanics are authorized to work on engines and perform limited work on propellers. Combination airframe and powerplant mechanics, called A&P mechanics, work on all parts of the plane except the instruments. Most mechanics working on civilian aircraft today are A&P mechanics. Applicants must meet FAA's training and experience requirements. Applicants must pass written and practical exams.
Click here to go to Commercial Mechanical Inspector - M2 COOL Snapshot page.

Renewal Period: 3 years

The International Code Council (ICC), Commercial Mechanical Inspector - M2 certification validates a candidate's technical knowledge, education and related experience as an inspector. The Commercial Mechanical Inspector demonstrates the ability to apply a thorough understanding of building, international, mechanical and fuel codes when inspecting new installation or replacement of electrical, plumbing, mechanical and related systems in new and existing buildings and sites.  Further, the Commercial Mechanical Inspector is committed to public safety and knows how heating and cooling systems, water heaters, exhaust systems, duct systems, combustion air, vents and fuel supply factors apply to code regulations when conducting inspections. There are no prerequisite educational or experience requirements, but candidates must have technical knowledge and pass a written exam.    

Click here to go to Certified Maintenance and Reliability Professionals (CMRP) COOL Snapshot page.

Renewal Period: 3 years

The Society for Maintenance and Reliability Professional (SMRP), Certified Maintenance and Reliability Professional (CMRP) is a certification for maintenance, reliability and physical asset management professionals. CMRP candidates should possess aptitude in the following areas: business and management, equipment reliability, manufacturing process reliability, organization and leadership, and work management. There are no experience or education eligibility requirements. Candidates must pass a written exam.
Click here to go to Associate Safety Professional (ASP) COOL Snapshot page.

Renewal Period: 5 years

The Board of Certified Safety Professionals (BCSP), Associate Safety Professional (ASP) certification validates an individual's knowledge and experience in the safety profession. ASP certifies an individual's ability to perform at least 50% of professional-level safety duties in safety, health, environment, and ergonomics. Safety professionals are required to make worksite assessments to determine risks, potential hazards and controls, evaluate risks and hazard control measures for equipment, systems, facilities, and processes, investigate incidents, maintain and evaluate incident and loss records, and prepare emergency response plans. Candidates must meet a combination of education and experience requirements. Candidates must pass a written exam.
Click here to go to Aviation Structures COOL Snapshot page.

Renewal Period: 3 years

The Certifying Technical Employee Competence (CertTEC), Aviation Structures certification is specifically designed for aircraft structural mechanics working in the MRO environment. The Aviation Structures certification is a comprehensive assessment of technician skills and knowledge focused on structures knowledge, fabrication methods, health and safety, inspection and repair, and regulations and documentation. Candidates must meet education, experience, or training requirements. Candidates must pass a written, practical, and oral exam.

In Demand

This certification is considered in demand. The U.S. Department of Labor sponsored CareerOneStop's analysis indicates the certification is frequently mentioned in online job postings.

Click for external link to CareerOneStop's Credentials Center.

Navy Bucks

Credential voucher or reimbursement for credential exam, re-certification, or maintenance fee has been approved for payment through the Navy's Credential Program Office. To get a voucher request form, click Menu at the top of any page, then click "2 Complete Voucher and Apply" under Credentialing Steps.

GI Bill®

Reimbursement for exam fees has been approved for payment through the GI Bill.

Note: GI Bill approval data is updated quarterly. For the latest information, visit the WEAMS Licenses/Certifications Search page. Make sure to select "Both" in the LAC Category Type drop-down before searching.

Click to go to the external link for GI Bill licensing and certification information.

Some

Credential is related to some tasks associated with the duties of the rating (at least one critical task but less than 80%)

Most

Credential is directly related to most of the major duties associated with the rating (at least 80%)

Other

Credential is related to this military occupation, but is more advanced or specialized and therefore will likely require additional education, training, or experience

High

Highly attainable: Credential is related to the duties performed within the military occupation, the minimum education requirement = HS or less and/or minimum experience = 2 years or less experience and no additional requirements.

Medium

Moderate ease of attainment: Credential is related to the duties performed within the military occupation, the minimum education requirement = Associate's and/or prerequisite and/or minimum experience = more than 2 years and less than 10 years of experience.

Low

May be difficult to attain: Credential is related to the duties performed within the military occupation, the minimum education requirement is a Bachelor's degree, and/or minimum experience is 10 or more years.

Most – Tasks in these careers match most duties of the military job or specialty (approximately 80% or greater)
Some – Tasks in these careers match some duties of the military job or specialty (greater than 20% but less than 80%)
Bright Outlook – new job opportunities are very likely in the future for this job

Registered Apprenticeship

An apprenticeship program is registered with the U.S. Department of Labor. Go to the Apprenticeship Finder and enter career path or location to find apprenticeship opportunities.

Click here for external link to: My Next Move for Veterans - First-Line Supervisors of Mechanics, Installers, and Repairers
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Bright Outlook – new job opportunities are very likely in the future for this job

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Click here for external link to: My Next Move for Veterans - First-Line Supervisors of Production and Operating Workers
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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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Bright Outlook – new job opportunities are very likely in the future for this job

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This credential has been accredited by:
This credential has been accredited by:
This credential has been accredited by: