AR 700-132 — Joint Oil Analysis Program {opnavinst 4731.2a; Afi 21-31}

AR 700-132 governs policies, responsibilities, and goals for the Joint Oil Analysis Program across the Army, Navy, and Air Force.

Search AR 700-132

  • Publication number: AR 700-132
  • Title: JOINT OIL ANALYSIS PROGRAM {OPNAVINST 4731.2A; AFI 21-31}
  • Date: 03/01/2024
  • Proponent: G-4
  • Status: ACTIVE

View AR 700-132 on armypubs.army.mil


AR 700-132 covers JOAP organization, oil analysis goals and objectives, laboratory operations, internal control evaluations, and associated publications. It requires standardized analysis support, qualified operators for inter-Service work, and communication of maintenance recommendations to customers.

Applies to: This regulation prescribes policies, responsibilities, and goals for the Joint Oil Analysis Program (JOAP) for the Army, Navy, and Air Force.

Topics covered

  • Joint Oil Analysis Program goals and objectives
  • Oil analysis laboratories
  • Inter-Service oil analysis support
  • Laboratory certification
  • Maintenance recommendations
  • JOAP organization
  • Internal control evaluations

Questions and answers

What equipment and components does JOAP oil analysis evaluate?

Determine the internal condition of aeronautical and nonaeronautical engines, transmissions, and gearboxes, and their oil-wetted components through the analysis of used lubricating oils, hydraulics, grease, and fluids. (paragraph 1-6)

When can laboratory operators provide inter-Service support?

Provide inter-Service support only when they are JOAP-certified. (paragraph 1)

Who may perform inter-Service oil analysis work?

Only qualified operators and evaluators will perform inter-Service work. (paragraph 1)

Can a non-JOAP laboratory become JOAP-certified through the certification program?

A non-JOAP laboratory cannot be JOAP-certified through the JOAP certification program. (paragraph 1)

How quickly must abnormal oil analysis results be reported for aeronautical samples?

For samples with abnormal results, the laboratory manager will advise the owning unit of the laboratory recommendation either in person, by telephone, or by electronic mail within 24 hours of sample receipt for aeronautical samples and within 72 hours of sample receipt for non-aeronautical samples, weekends and holidays excluded per the JOAP Manual. (paragraph 1)

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