Attachment to a crane which consists of a pair of large pincers at the end of a wire.

Hotel - H = signal letter and flag. Morse = ( . . . . )Flag= Vertically divided in two : white at the hoist, red at the fly.When hoisted singly from a ship it means "I have a pilot on board." . Still widely used.

Steel surround to a hatchway vertically to the deck for preventing water ingress into the hold and to lessen risk for persons.

A power-operated device with one or two drums to ensure that the working part of the fibre rope is reeled in no more than one layer. It may be used in conjunction with a rope storage reel.

The maximum tension (in kilonewtons) that can be maintained by a braking/locking system in the first layer.

A kind of winch, which is applied for receiving/throwing the hydrographic survey apparatus, and performing the hydrographic measurements.

India - I = signal letter and flag. Morse = ( . . )Flag= Black disk on yellow ground.When hoisted singly from a ship it means "I am altering my course to port." (Kerchove)

A test applied to each machine produced by a manufacturer.

Juliet - J = signal letter and flag. Morse = ( . - - - )Flag= Horizontally divided in three with white in the middle and blue up and down.When hoisted singly from a ship it means "I am going to send a semaphore signal." (Kerchove)

A crane with a jib which may be rotated by turning gear and adjusted in the vertical plane.

Kilo - K = signal letter and flag. Morse = ( - . - )Flag= Vertically divided with yellow at the hoist, blue at the fly.When hoisted singly from a ship it means "Stop your vessel immediately." (Kerchove)

Lima - L = signal letter and flag. Morse = ( . - . . )Flag= Two yellow and two black squares.When hoisted singly from a ship it means "Stop, I have something important to communicate." (Kerchove)

A device for hoisting and lowering the davit- launched lifeboat

A winch designed for hoisting and lowering the life boat.

The maximum rope speed (in meters per second) that the winch can maintain with the rope wound on the drum in a single layer, and with negligible tension on the rope, normally not more than 10% of the drum load.

A prime mover which is suitable only for operating the deck machinery in a light loaded condition. Example: Reeling in of an untensioned rope, or topping an unloaded derrick.

Mike - M = signal letter and flag. Morse = ( - - )Flag= Diagonal white cross on blue background.When hoisted singly from a ship it means "I have a doctor on board." (Kerchove)

– Governmental organizations, such as the United States Coast Guard (USCG), UK Marine Safety Agency (UK MSA), Norwegian Maritime Directorate (NMD), etc., that provide maritime services such as the issuance of certificates and classification of ships for ...

The maximum static pulling force produced through a vessel’s harbor pile towing test.

A winch with the ability to hold and haul a tensioned mooring rope and having a capacity for rope storage, controlled solely by hand.