Technical TermsRSS

Technical Terms

A

Alfa - A = signal letter and flag. Morse = ( . - )Burgee flag= White at hoist, blue at the fly.When hoisted singly from a ship it means "Undergoing speed trial" (Kerchove).

B

Bravo - B = signal letter and flag. Morse = ( - . . . ) Burgee flag= Red. When hoisted singly from a ship it means " I am discharging / loading explosives or flammable substances". Still widely used when bunkering.

The foremost port, used for stowing.

BSFC: Brake Specific Fuel Consumption in g/kWh

C

Charlie - C = signal letter and flag. Morse = ( - . - . )Flag= Horizontally divided in 5 stripes. Blue above and under, red in the middle between two white ones.When hoisted singly from a ship it means "YES- Affirmative".

Calculated Carbon Aromacity Index. The CCAI is a calculated value originally intended to indicate the ignition properties or ignition delay of the fuel related to the viscosity and density. The CCAI gives no indication of the combustion properties. The C ...

Contract Maximum Continuous Rating in kW.

A vessel with permanently installed cranes designed principally for lifting operations.

D

Delta. D = signal letter and flag. Morse = ( - . - )Flag= Blue central horizontal stripe with smaller yellow strip above and under.When hoisted singly from a ship it means "I am maneuvering with difficulty. (Similar fog signal.)

Discharge

Strengthening on the two top corners of shipping containers.

Tunnel which accommodates pipelines and runs longitudinally alongh the centre line of a ship.

Those spaces in which the main navigating equipment, the ship's radio or the emergency source of power are located or where the fire recording or fire control equipment is centralized and also those spaces used for galleys, main pantries, stores (except i ...

A craft which is operable on or above water and which has characteristics different from those of conventional displacement ships. Within the aforementioned generality, a craft which complies with either of the following characteristics: .I the weight, ...

E

Echo- E = signal letter and flag. Morse = ( . )Flag= Blue over red.When hoisted singly from a ship it means "I am altering my course to starboard.

A device worn to reduce the level of noise heard by the wearer.

A notional continuous sound level which is calculated from the various A-we~ghteds ound levels and duration at these levels with an XdB exchange rate. The exchange rate is the number of dB decrease in noise level which would allow doubling of exposure tim ...

Activated by means other than a directly connected prime mover.

F

Fox trot. F = signal letter and flag. Morse = ( . . - . ) Flag= Red diamond on white background.When hoisted singly from a ship it means "I am disabled. Communicate with me." ( Kerchove)

Small hatch in the fidley deck around the stack and uptakes. Generally closed by grating and steel covers.