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Navy NEC · Aviation

I04A T-56-425/427 Turboprop Engine IMA Mechanic

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.

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Overview

A T-56-425/427 Turboprop Engine IMA Mechanic performs first and second degree maintenance on T-56 turboprop quick engine change assemblies supporting E-2/C-2 aircraft. They conduct scheduled and unscheduled maintenance and preserve and depreserve engine and gearbox assemblies.

Core Skills

  • T-56 quick engine change assembly maintenance
  • Engine and gearbox preservation and de-preservation

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Aircraft Mechanics and Service Technicians

Scheduled and unscheduled maintenance of T-56 quick engine change assemblies directly supports civilian aircraft powerplant maintenance work.

How to prepare: Gather documented military maintenance experience for FAA evaluation toward the Powerplant rating. Certification requires 18 months of appropriate experience for one rating or 30 months concurrently covering both ratings, or an accepted FAA-approved school or military certification-course route, plus knowledge, oral, and practical tests; applicants must be at least 18 and able to read, write, speak, and understand English.

What the civilian work involves
  • Read and interpret maintenance manuals, service bulletins, and other specifications to determine the feasibility and method of repairing or replacing malfunctioning or damaged components.
  • Maintain repair logs, documenting all preventive and corrective aircraft maintenance.

Notes & Sources

  • An FAA mechanic certificate is not required for every airline mechanic job, although air carriers often require it for hiring.
Evidence for this guidance (3 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC I04A

    [1] NEC entry "I04A - T-56-425/427 Turboprop Engine IMA Mechanic"; cached text line 6579; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: T-56 quick engine change assembly maintenance, Engine and gearbox preservation and de-preservation, Aircraft Mechanics and Service Technicians (O*NET 49-3011.00)

  2. O*NET: Aircraft Mechanics and Service Technicians

    [2] O*NET 30.3 occupational data

    Supports: Aircraft Mechanics and Service Technicians (O*NET 49-3011.00)

  3. FAA: Become an Aviation Mechanic

    [3] Requirements and mechanic experience requirements

    Supports: Aircraft Mechanics and Service Technicians (O*NET 49-3011.00)

Defense contractor jobs for I04A

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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