CVN-71

Navy Engineman

The EN Rating

Navy Engineman rating insignia

The Engineman rating was first established in 1917, and then disestablished 1931. In 1948, Engineman was re-established as a Navy rating when the ratings of Motor Machinist's Mate, Motor Machinists's Mate (SR) (Diesel Engine Mechanics), and Motor Machinists's Mate (SR) (Gasoline Engine Mechanics) were consolidated.

Enginemen (EN) operate, maintain, and repair (organizational and intermediate level) internal-combustion engines, main propulsion machinery, refrigeration, air conditioning, gas turbine engines, and assigned auxiliary equipment on Navy ships; stand safety watches on auxiliary boilers and other assigned equipment.

Engineman class "A" school is 14 weeks in duration. The school is located in Great Lakes, Illinois.

Per NAVADMIN 382/12, the Full Time Support Enginman rating is to be disestablished effective October 1, 2013, and articulates the realignment of the MM and EN ratings.

Engineman (EN)

The duties performed by Enginemen include aligning piping systems for oil, water, and air for controlling the operation of diesel engines used for ship propulsion and service systems, and controlling operation of diesel generators used to produce electrical power. They clean, adjust, test and perform other preventive maintenance on a ship's auxiliary boilers, main engines, diesel generators and other auxiliary machinery including steering engines, elevators, winches, pumps and associated valves.

ENs operate and maintain desalinization plants (distilling plants) to make fresh water from sea water, and they maintain refrigeration plants, air conditioning systems and galley equipment. They repair or replace valves, pumps, heat exchangers, compressors, steam turbines and hydraulic or pneumatic control devices. ENs can also operate and maintain small boats. They make entries in and analyze machinery operating records and reports.

Career Sea - Shore Rotation Chart

Rating's Sea (SEA) Shore (SH) Rotation (months)
Rating SEA1 SEA2 SEA3 SEA4 SEA/SH
EN 60 60 48 48 36/36
SH1 SH2 SH3 SH4
36 36 36 36

Sea tours and shore tours for Sailors that have completed four sea tours will be 36 months at sea followed by 36 ashore until retirement.

Sailors in the Engineman rating can expect to spend more than half their career on sea duty assignment. Sea tour lengths for the EN rating will not involuntarily exceed 60 months for Sailors with less than 20 years of service (YOS) and 48 months for Sailors with more than 20 YOS. Shore tour lengths between sea tours will be set to 36 months long. Manning conditions at sea may require the need to request sea tour extension or shore tour curtailments to ensure all sea duty billets are filled.

Qualifications, Interests, and Working Environment

Engineman should have clear speech, physical stamina, manual dexterity and the ability to work with others as a team. They should know how to use common hand and power tools and enjoy working with mechanical devices. Other helpful characteristics are resourcefulness and an interest in learning new ideas and skills. Curiosity, record keeping talent and physical strength are also required.

Normal hearing is required. Normal color perception is not required. Members of this rate are not required to be citizens of the United States.

Enginemen work any where on a ship in main engine rooms, auxiliary machinery rooms, engine rooms or shops. These locations are sometimes hot and noisy. ENs may be required to perform some heavy physical work. They must be able to work closely with others and, in some cases, with limited supervision. Engineman ASVAB Test requirement.

Credit Recommendations

The American Council on Education recommends that semester hour credits be awarded in the vocational certificate or lower-division bachelor's/associate's degree categories for courses taken in this rating on machine technology, machine shop mathematics, blueprint reading and metric system of measurement.

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