1A1C

1A1C is an alphanumeric designation used in several unrelated domains. It does not have a single universal meaning; its interpretation depends on context.

In military contexts, alphanumeric codes commonly identify occupations, units, or classifications. The string 1A1C has appeared in some systems to designate roles within aircrew, maintenance, or support fields, but the exact definition has varied across services, countries, and time periods.

In manufacturing, logistics, and product documentation, 1A1C may serve as a model, part, or configuration code. In educational or training catalogs, similar formats are used for course identifiers. In each case, the meaning is tied to the issuer’s catalog and date.

Because 1A1C is not unique to a single domain, readers should verify the code in the relevant source. When possible, consult the issuing organization’s official nomenclature or catalog to determine the intended meaning.

See also: alphanumeric code; military occupational specialty; product model number.