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Navy NEC · Engineering

T18A Navigation Equipment 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

A Navigation Equipment Maintenance Technician operates SSN 688 class submarine navigation equipment and performs organizational preventive and corrective maintenance. The technician works on the AN/WSN-7(A), AN/WSN-7(B), AN/WRN-6, AN/BPS-15(H), Digital Depth Detector, AN/WIC, Central Atmosphere Monitoring System, and Electromagnetic Log.

Core Skills

  • Digital depth detector operation and maintenance
  • Central atmosphere monitoring system maintenance
  • Electromagnetic log operation and maintenance

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.

Electrical and Electronics Repairers, Commercial and Industrial Equipment

Preventive and corrective maintenance of submarine navigation equipment, digital depth detectors, and atmosphere monitoring systems transfers to maintaining and repairing industrial electronic equipment.

How to prepare: Complete a hands-on industrial electronics troubleshooting course focused on testing faulty equipment and verifying repairs.

What the civilian work involves
  • Test faulty equipment to diagnose malfunctions, using test equipment or software, and applying knowledge of the functional operation of electronic units and systems.
  • Set up and test industrial equipment to ensure that it functions properly.
  • Inspect components of industrial equipment for accurate assembly and installation or for defects, such as loose connections or frayed wires.
Civilian tools and software (examples)
  • Circuit evaluation software
  • Computerized maintenance management system CMMS

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC T18A

    [1] NEC entry "T18A - Navigation Equipment Maintenance Technician"; cached text line 10612; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Digital depth detector operation and maintenance, Central atmosphere monitoring system maintenance, Electromagnetic log operation and maintenance, Electrical and Electronics Repairers, Commercial and Industrial Equipment (O*NET 49-2094.00)

  2. O*NET: Electrical and Electronics Repairers, Commercial and Industrial Equipment

    [2] O*NET 30.3 occupational data

    Supports: Electrical and Electronics Repairers, Commercial and Industrial Equipment (O*NET 49-2094.00)

Defense contractor jobs for T18A

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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