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Navy NEC · Aviation

E27A EA-18G Electronic Counter Measures (ECM) System Maintenance Technician

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

An EA-18G electronic countermeasures system maintenance technician maintains the aircraft's airborne electronic attack systems and conducts daily computer-assisted preflight inspections to determine equipment status. The technician works on the ALQ-99, AN/ALQ-218, INCANS, MATT, and CCS systems and briefs and debriefs flight crews.

Minimum clearance: Secret

Core Skills

  • Airborne jamming and receiver system maintenance
  • Computer-assisted preflight equipment status checks
  • Flight crew briefings and debriefings

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.

Avionics Technicians

Organizational-level maintenance of EA-18G electronic attack systems and daily computer-assisted preflight checks transfer directly to aircraft electronic equipment maintenance and testing.

How to prepare: Complete hands-on civilian avionics bench-testing practice using circuit testers, oscilloscopes, and voltmeters to troubleshoot components and assemblies.

What the civilian work involves
  • Test and troubleshoot instruments, components, and assemblies, using circuit testers, oscilloscopes, or voltmeters.
  • Adjust, repair, or replace malfunctioning components or assemblies, using hand tools or soldering irons.
  • Set up and operate ground support and test equipment to perform functional flight tests of electrical and electronic systems.

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC E27A

    [1] NEC entry "E27A - EA-18G Electronic Counter Measures (ECM) System Maintenance Technician"; cached text line 4603; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Airborne jamming and receiver system maintenance, Computer-assisted preflight equipment status checks, Flight crew briefings and debriefings, Avionics Technicians (O*NET 49-2091.00)

  2. O*NET: Avionics Technicians

    [2] O*NET 30.3 occupational data

    Supports: Avionics Technicians (O*NET 49-2091.00)

Defense contractor jobs for E27A

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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