A blue and white flag (the flag for the letter 'P') hoisted at the foretrucks of ships about to sail. Formerly a white ship on a blue ground, but later a white square on a blue ground.
Related Terms |
BOLTROPE
A strong rope stitched to edges of a sail
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BUMPKIN
The spar projecting from stern of ship
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PSID
pounds per square inch differential.
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TRAMP FREIGHTER
A cargo ship engaged in the tramp trade.
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CORDAGE
Ropes in the rigging of a ship
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WEATHER SIDE
The side of a ship exposed to the wind.
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DOGWATCH
A short, evening period of watch duty on a ship
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PSIG
pounds per square inch gauge (PSIA - 14.696).
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FARDAGE
A wood placed in bottom of ship to keep cargo dry
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ATMOSPHERIC PRESSURE
Pressure exerted by the atmosphere at any specific location. (Sea level pressure is approximately 14.7 pounds per square inch absolute.)
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