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Navy · RATING history

AM Aviation Structural Mechanic

In 1964, Aviation Structural Mechanic (AM) was combined with AD, PR and AZ at pay grade E-9 to form Master Chief Aircraft Maintenanceman (AFCM). This combination was limited to E-9 and does not establish that AM ended at lower pay grades.

The directory also lists AM Aviation Structural Mechanic. Current service use is not established for this directory entry.

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Documented history

Aviation Structural Mechanic

The combination is dated to 1964; no month or day is given.

  • PR and AZ were restored to E-9 in 1968; the record does not state that AM was restored then.
Source extraction notes

Malin/BUPERS source assertion: Established 1964; combination of AD, AM, PR, and AZ ratings at pay grade E-9. Normalized as merged/included. The source explicitly limits this combination to pay grade E-9; it does not assert that lower-pay-grade use of the predecessor rating ended.

Source documents (2)

Reviewed September 23, 2026 against references 1 and 2.

Aviation Metalsmith

In 1948, the Navy renamed Aviation Metalsmith to Aviation Structural Mechanic. The rating abbreviation remained AM.

The change is dated only to 1948; no month or day is given.

Source extraction notes

Malin/BUPERS source assertion: changed to Aviation Structural Mechanic 1948. | Changed from Aviation Metalsmith 1948. Normalized as renamed/changed. Reconciles 2 reciprocal, grade-specific, or repeated source assertions for the same predecessor/date.

Source documents (2)

Reviewed September 23, 2026 against references 3 and 4.

Historical information is drawn from the sources linked above. Classification dates are not personal service dates. Spot an error? Let us know.