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Navy NEC · Engineering

U59A Deck Systems Mechanical 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 Deck Systems Mechanical Technician performs organizational mechanical maintenance on deck equipment and systems. This technician works on amphibious assault, boat handling, underway replenishment, anchoring, and hull outfitting equipment.

Core Skills

  • Boat-handling equipment mechanical maintenance
  • Underway replenishment equipment mechanical maintenance
  • Anchoring and hull outfitting equipment 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.

Motorboat Mechanics and Service Technicians

Mechanical maintenance of boat-handling and other shipboard deck equipment provides a foundation for servicing marine mechanical equipment.

How to prepare: Complete hands-on training in marine engine maintenance and diagnostics to extend deck-equipment experience to propulsion systems.

What the civilian work involves
  • Repair engine mechanical equipment, such as power tilts, bilge pumps, or power take-offs.
  • Perform routine engine maintenance on motorboats, such as changing oil and filters.
  • Start motors and monitor performance for signs of malfunctioning, such as smoke, excessive vibration, or misfiring.
Civilian tools and software (examples)
  • Engine diagnostic scanners

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC U59A

    [1] NEC entry "U59A - Deck Systems Mechanical Technician"; cached text line 12386; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Boat-handling equipment mechanical maintenance, Underway replenishment equipment mechanical maintenance, Anchoring and hull outfitting equipment maintenance, Motorboat Mechanics and Service Technicians (O*NET 49-3051.00)

  2. O*NET: Motorboat Mechanics and Service Technicians

    [2] O*NET 30.3 occupational data

    Supports: Motorboat Mechanics and Service Technicians (O*NET 49-3051.00)

Defense contractor jobs for U59A

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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