Glossary: P

15 terms.

• Parallel Index
  A radar technique using lines parallel to the course line to monitor closest approach to a fixed radar target.
• Paris Memorandum of Understanding
  A regional port state control arrangement covering European and North Atlantic waters with 27 member maritime authorities.
• Pilot
  A licensed navigational specialist employed to guide a vessel through a specific port, harbour, or restricted waterway.
• Pilot Boarding Point
  A designated position at sea where a pilot boards or disembarks a vessel before proceeding to or after leaving a port.
• Pilot Ladder
  A rope side ladder rigged overside to enable a pilot to board or disembark from a ship at sea.
• Pilotage
  The navigational service provided by a licensed pilot who boards a vessel to guide it through a port or restricted waterway.
• Platform Supply Vessel
  An offshore supply vessel designed to carry deck cargo, dry bulk, liquid mud, and fuel to offshore platforms and rigs.
• Port Captain
  A company representative ashore, usually a former master, who assists vessels in port with local knowledge, clearances, and operational support.
• Port State Control
  Inspection regime where a coastal nation's surveyors inspect foreign vessels in its ports for compliance with international conventions.
• Port State Control Inspection
  An examination of a foreign-flagged vessel in port by officers of the port state to verify compliance with international conventions.
• Precautionary Area
  A routing measure where vessels must navigate with caution due to converging traffic lanes or hazardous conditions.
• Pressure/Vacuum Valve
  A safety valve on a cargo tank vent that opens at set over- or under-pressure limits to protect the tank structure.
• Product Tanker
  A tanker designed to carry refined petroleum products such as gasoline, jet fuel, and diesel in coated or stainless steel tanks.
• Pumpman
  A specialised deck or engine rating on tankers responsible for operating cargo and ballast pumps and maintaining pump rooms.
• Purifier
  A centrifugal separator that removes water and solid contaminants from fuel or lubricating oil before engine use.