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An engine officer or simply engineer, is a licensed mariner qualified and responsible for operating and maintaining the propulsion plants and support systems for a
watercraft A watercraft or waterborne vessel is any vehicle designed for travel across or through water bodies, such as a boat, ship, hovercraft, submersible or submarine. Types Historically, watercraft have been divided into two main categories. *Raf ...
and its crew, passengers and cargo. Engineering officers are usually educated and qualified as engineering technicians. Ship engineers are responsible for propulsion and other ship systems such as: electrical power generation plant; steam boilers;
lighting Lighting or illumination is the deliberate use of light to achieve practical or aesthetic effects. Lighting includes the use of both artificial light sources like lamps and light fixtures, as well as natural illumination by capturing daylight. ...
;
fuel oil Fuel oil is any of various fractions obtained from the distillation of petroleum (crude oil). Such oils include distillates (the lighter fractions) and residues (the heavier fractions). Fuel oils include heavy fuel oil (bunker fuel), marine f ...
;
lubrication Lubrication is the process or technique of using a lubricant to reduce friction and wear and tear in a contact between two surfaces. The study of lubrication is a discipline in the field of tribology. Lubrication mechanisms such as fluid-lubr ...
;
water Water is an inorganic compound with the chemical formula . It is a transparent, tasteless, odorless, and Color of water, nearly colorless chemical substance. It is the main constituent of Earth's hydrosphere and the fluids of all known liv ...
distillation Distillation, also classical distillation, is the process of separating the component substances of a liquid mixture of two or more chemically discrete substances; the separation process is realized by way of the selective boiling of the mixt ...
and separation;
air conditioning Air conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature, and in some cases, also controlling the humidity of internal air. Air c ...
;
refrigeration Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature).IIR International Dictionary of ...
;
sewage treatment Sewage treatment is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water p ...
and water systems on board the vessel. They require knowledge and hands-on experience with
electric power Electric power is the rate of transfer of electrical energy within a electric circuit, circuit. Its SI unit is the watt, the general unit of power (physics), power, defined as one joule per second. Standard prefixes apply to watts as with oth ...
,
electronics Electronics is a scientific and engineering discipline that studies and applies the principles of physics to design, create, and operate devices that manipulate electrons and other Electric charge, electrically charged particles. It is a subfield ...
,
pneumatics Pneumatics (from Greek 'wind, breath') is the use of gas or pressurized air in mechanical systems. Pneumatic systems used in industry are commonly powered by compressed air or compressed inert gases. A centrally located and electrically- ...
,
hydraulics Hydraulics () is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids. At a very basic level, hydraulics is the liquid counterpart of pneumatics, which concer ...
,
chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...
,
steam Steam is water vapor, often mixed with air or an aerosol of liquid water droplets. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Saturated or superheated steam is inv ...
generation,
gas turbine A gas turbine or gas turbine engine is a type of Internal combustion engine#Continuous combustion, continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas gene ...
s and even
nuclear technology Nuclear technology is technology that involves the nuclear reactions of atomic nucleus, atomic nuclei. Among the notable nuclear technologies are nuclear reactors, nuclear medicine and nuclear weapons. It is also used, among other things, in s ...
on certain military and civilian vessels.


Ranks and titles

There are several types and ranks of engine officer that are employed in the engine department of a ship


Watchstanding officers

*
Chief engineer A chief engineer, commonly referred to as "Chief" or "ChEng", is the most senior licensed mariner (engine officer) of an engine department on a ship, typically a merchant ship, and holds overall leadership and the responsibility of that departmen ...
:Chief engineer is the highest rank one can achieve as an engine officer.The chief engineer is one of the most senior rank onboard the vessel who shares rank equivalent to the
captain Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police depa ...
of the ship. * Second engineer: In charge of the day-to-day running of the engine department. Often in charge of main engine maintenance. Takes the 4–8 watch. Shares rank equivalent to chief officer. * Third engineer: Usually in charge auxiliary engines & boilers. Takes the 12–4 watch. Shares rank equivalent to 2nd officer * Fourth engineer: Usually in charge of air compressors, purifiers, pumps and other auxiliary machinery. Takes the 8–12 watch. Sometimes in charge of boilers. Share rank equivalent to 3rd officer


Electrical officers

Electrical officers do not participate in watchstanding of the engine department, but are present on more sophisticated vessels to take charge of electronic and electrical equipment * Electro-technical officer (ETO): Officer who is responsible for the maintenance of electronic equipment including automation systems and instrumentation process and control equipment, and/or general electrical equipment. Reports to Chief Engineer. * Electrical officer: Officer who is responsible for the maintenance of general electrical equipment such as motors, transformers, lights, reefer outlets etc. Reports to ETO / Chief Engineer.


Other positions

* Junior engineer: Officer who is qualified as fourth engineer but lacks the experience to take a watch. Assists with all engine department duties. * Engine/ETO cadet: A trainee engine officer or ETO. Understudies the other engine department personnel. Cadets of most countries are sponsored during training by a shipping company, serving their time on board ships owned by that company. Many go on to work as engine officers with their sponsoring company once training is complete.


United States naval use

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...
ships have a varying number of engine officers, depending upon the size of the crew, occupying positions named for subsidiary responsibilities of the Engineering Officer. The two highest ranking subordinates are usually the Main Propulsion Assistant (MPA), responsible for operation and maintenance of propulsion machinery, and the Damage Control Assistant (DCA), responsible for prevention and control of damage. Anticipation of battle damage increases the significance of responsibilities of the latter position on warships. A DCA often stands routine deck or engineering watches, but spends his off-watch time overseeing maintenance of watertight integrity and firefighting equipment. A DCA's battle station normally includes responsibility for controlling the ship's
stability Stability may refer to: Mathematics *Stability theory, the study of the stability of solutions to differential equations and dynamical systems ** Asymptotic stability ** Exponential stability ** Linear stability **Lyapunov stability ** Marginal s ...
,
list A list is a Set (mathematics), set of discrete items of information collected and set forth in some format for utility, entertainment, or other purposes. A list may be memorialized in any number of ways, including existing only in the mind of t ...
and trim by flooding and dewatering undamaged compartments as necessary to prevent
capsizing Capsizing or keeling over occurs when a boat or ship is rolled on its side or further by wave action, instability or wind force beyond the angle of positive static stability or it is upside down in the water. The act of recovering a vessel fr ...
. Additional engine officers may include an Electrical Officer, responsible for the ship's electrical generating and distribution system as described above, and an Auxiliaries (or A Division) Officer, responsible for
pump A pump is a device that moves fluids (liquids or gases), or sometimes Slurry, slurries, by mechanical action, typically converted from electrical energy into hydraulic or pneumatic energy. Mechanical pumps serve in a wide range of application ...
s, ventilation blowers,
refrigeration Refrigeration is any of various types of cooling of a space, substance, or system to lower and/or maintain its temperature below the ambient one (while the removed heat is ejected to a place of higher temperature).IIR International Dictionary of ...
compressors, and
windlass The windlass is an apparatus for moving heavy weights. Typically, a windlass consists of a horizontal cylinder (barrel), which is rotated by the turn of a crank or belt. A winch is affixed to one or both ends, and a cable or rope is wound arou ...
machinery as described above for the Fourth Engineer.


See also

* * * * *


References

{{DEFAULTSORT:Engine department Marine occupations Maritime safety