Choose the first letter of the word sought or type the word you are searching for in the field above.
- packet
- an obsolete term referring to ship which carries passenger cargo and mail on a regular run; also known as packet ship or packet boat
- pad eye
- a fitting having one or more eyes or rings to which a block wire rope or fibre line can be secured
- painter
- a short piece of rope attached to the stem of a small boat for making her fast or towing
- panama lead
- a special fairlead at ends of a ship for use when being towed during the transit of Panama Canal
- Panamax
- a large ship capable of transiting the Panama Canal; the maximum beam and draught allowed in the canal is approximately 106 feet and 39 feet fresh water respectively - this is equivalent to ship with a deadweight of about 55 000 tons
- panting
- describes the pulsating in and out movement of ships plating subjected to variations in water pressure especially during heavy weather as the ship alternately rises and plunges deep into the water
- panting beam
- beam placed from shipside to shipside to support the shell plating against panting
- panting frames
- frames placed in the forward and after sections of the hull to resist the panting action of the shell plating
- pantry
- small compartment close to galley for keeping food in
- parallel middle body
- the midship portion of a ship which maintains the cross-sectional shape of the underwater hull form throughout its length; sometimes known simply as parallel body
- particular average
- a partial loss of the insured subject caused by a peril insured against other than a general average loss
- pawl
- a pivoted crawl that catches the teeth of a rack or wheel to prevent reverse movement; during running it rides over the teeth and drops down to engage the teeth by gravity or spring when the motion stops
- Pd
- passed
- pelican hook
- a hinged hook designed to open readily
- pennant
- long tapering four-sided flag with the wider vertical end known as the head beside the mast and the narrower end known as the fly away from the mast; the top and bottom sides taper uniformly towards the centre line
- periodical survey
- survey of a ships hull and her machinery by classification societys surveyors at regular specified intervals in order to maintain her assigned class
- petcoke
- carbonaceous solid residual by-product of the oil refining coking process; short for petroleum coke
- petty officer
- a crew member who ranks between officer and rating and is in charge of the ratings
- pH
- a measure of acidity or alkalinity of a solution; a pH value of 0 indicates extreme acidity while a pH value of 14 indicates extreme alkalinity; pure water is neutral and has a pH value of 7
- P & I Club
- Protection and Indemnity Association/Club of shipowners to offer mutual indemnity against third party claims and against risks not normally covered by marine insurance
- pillar
- vertical member or column supporting the decks beams or girders
- pilot
- a qualified person having local knowledge of navigation hazards is authorised to guide ships in and out of a port or channel
- pilotage
- 1. fee charged by pilots for services rendered; 2. services provided by pilots
- pilot station
- position at sea or ashore where pilots are stationed and ready to board vessel for pilotage
- pintle
- vertical pin on a rudders forward edge that enables the rudder to hang onto the stern post and swing when it fits into the gudgeon
- piston
- of diesel engine a cylindrical metallic block with a few grooves cut around the circumference at the top edge; acting together with the piston rings in the grooves it serves to seal the compressed intake air and combustion gases in the cylinder above it and transmit the expanding gas forces downward to turn the engine via the connecting rod
- planform
- profile of a foil or sail
- podded propulsion
- in this propulsion system the propulsor with direct connection to an electric drive system is mounted inside a pod located beneath the hull; since only electric cables are required to be led to the pod(s) there is flexibility to position the electric generators in the ship
- pontoon cover
- a lift-away hatch cover which is lifted off the coaming by a vessel or shore crane to provide access to the cargo hold
- port clearance
- a document from port authority certifying that a ship has clearance to leave a port
- port dues
- charges related to a ships use of port
- port hole
- round opening in the sides of a ship; normally kept weather-tight by transparent glass cover with sealing arrangement; provides natural lighting and also ventilation when necessary; also called air port or port light; sometimes written as porthole
- port limit
- the invisible boundary set around the sea area of a port; within which any ship calling the port shall be under the jurisdiction of the local port authority
- portside
- left side of a ship when looking forward towards the bow; sometimes written as port side
- port state control
- random inspections carried out by maritime authority of the ports concerned; the purpose is to evaluate the arrived ships hull and machinery condition from a safety and environment protection point of view; they are independent of classification survey; PSC for short
- positive slip
- the actual advance is less than the theoretical advance of ship
- post fixture work
- work as stipulated in the charter party which needs to be done after the contract has been agreed e.g. notices of arrival disbursements freight computation orders to the ships master bunkering etc.
- post meridian
- after noon or p.m.; also written as post meridiem
- premium
- the cost of insurance which is usually computed at certain percentage of the shipowners declared valuation
- Pres
- presumed
- Prev
- previous
- primer
- first coating of paint applied to steel plate to prevent corrosion
- product tanker
- a type of tanker designed to carry refined oil products such as gasoline for motorcars gas oil or diesel oil for industry naphtha for petrochemical industry aviation fuel kerosene etc.; this kind of tanker usually has large number of cargo tanks capable of handling several different grades of oil at the same time; also known as product carrier
- proof load
- the load applied to an item under controlled testing; varies from 10% to 100% in excess of the items normal load
- propeller pitch
- distance advanced by one complete rotation of the propeller if there is no slip
- protecting agent
- agent appointed by shipowners to protect their ships interests at times when the charterers use their own agents in ports; also known as
- prow
- old name for stem or bows
- pulpit
- guard rail round the bow of a yacht
- purifier
- a rotating machinery for separating two liquids of different specific gravity or solids from liquid by the use of centrifugal force; the mixture is rotated at several thousand revolutions per minute within a bowl and the heavier the fluids or solids the further away from the centre of rotation achieving separation; usually used to purify fuel oil or lubricating oil for diesel engine use
- purser
- officer on a ship who is in charge of accounts and stores especially on a passenger ship.
- push knee
- structure mounted on the hull of a tug for pushing barges; it is designed to minimise contact damage to both vessels
- push tug
- a tug designed for pushing dumb barge instead of towing; advanced design may employ special mechanical locking arrangement at the bow to engage the barge quickly and efficiently
