HTs do the metal work necessary to keep all types of shipboard structures and surfaces in good condition. They also maintain shipboard plumbing and marine sanitation systems, repair small boats, operate and maintain ballast control systems, and manage the Quality Assurance Program.
What They Do
The duties performed by HTs include: installing, maintaining and repairing valves, piping, plumbing system fittings and fixtures, and marine sanitation systems. Repairing decks, structures and hulls by welding, brazing, riveting and caulking; examining, testing welds and various shipboard structures; using radiological, ultrasonic and magnetic particle testing equipment. Fabricating with light and heavy gauge metal such as aluminum, stainless steel, sheet copper and brass, steel, sheet and corrugated iron; heat treating, hot and cold forming of metals; pipe cutting, threading and assembly; repairing installed ventilation ducting; repairing metal, wood and fiberglass boats; installing and repairing insulation and lagging; operating marine sanitation systems
Hull Maintenance Technicians work in a variety of situations at sea and ashore. Sometimes their work is performed indoors in a shop environment. Other times it may be performed outdoors, frequently at sea and in all kinds of climates and weather conditions. They may work in noisy environments on some assignments. HTs are stationed primarily aboard USN deploying ships.
ASVAB Requirements (Waivers are considered on a case-by-case basis)
VE + AR + MK + AS = 200 OR MK + AS + AO = 150
Must have normal color perception
Must have normal hearing
Security clearance required
Must be a U.S. Citizen
Normal hearing required. Frequencies: 3000hz 4000hz 5000hz 6000hz Average hearing threshold level in these four frequencies must be less than 30db, with no level greater than 45db in any one frequency. If hearing level exceeds these limits, the applicant is enlistment ineligible for the rating.
** Notes **
Do you have an interest in the Visual, Magnetic Particle, Liquid/Dye Penetrant, Ultrasonic and/or Radiographic testing disciplines associated with NECs U48A, U49A, U50A, and U51A? Do you have what it takes to be an Advanced Welder (NEC U53A)? Please contact your Rating Detailer about billets requiring this in-demand skillset and/or your command's Training Officer about attending these courses.