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Glossary

Maritime glossary, terms beginning with P (page 9)

All maritime glossary terms that begin with the letter P, drawn from every subject section. 2685 entries.

Showing 250 of 2685 terms (page 9 of 11).

Pre-scrubber X69. EGCS Scrubbers, SCR and Marine Air Emissions
Initial wet stage cooling and roughing the exhaust ahead of the main absorber.
Pre-sea training X21. STCW Certificates, Crewing and Seafarer Welfare
Foundational MET course prior to first sea service, prerequisite for cadet entry.
Pre-Sea Trial Survey X5. Marine Surveying and Inspection
Final survey before delivery and acceptance sea trials.
Pre-Shipment Inspection X5. Marine Surveying and Inspection
Quantity and quality check at production or warehouse before shipment.
Pre-Shipment Inspection (PSI) X155. Marine Surveying Practice and Cargo Inspection
A general term for any inspection conducted prior to shipment to confirm quantity, quality, packing, or marking.
Pre-Stowage Plan X46. Container Terminal Operations
An initial vessel stowage proposal prepared by the line's central planning office and sent to the loading terminal for refinement.
Pre-Stowage Plan Review X86. Port Agency, Husbandry and Disbursement
Review of provisional stowage plan with terminal planners.
Pre-Sweep Dredging X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Dredging of cable or pipeline corridors prior to installation to remove obstructions or smooth ridges.
Pre-swirl device X38. Propellers, Stern Gear and Shaft Lines
Energy-saving device imparting counter-rotation to flow entering the propeller (Mewis Duct, IHI HZ Fin, Becker Twisted Fin).
Pre-swirl stator B2. Marine Engineering
Energy-saving device with vanes ahead of propeller.
Pre-Tension X9. Cargo Securing, Lashing and Stability Vocabulary
Initial tension applied to a lashing before voyage, typically 10 percent of LC for web lashings per EN 12195-1.
Pre-tension Mooring Analysis X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
Static analysis ensuring that pretensioned lines balance and remain within allowable loads under design conditions.
Pre-Tow Survey X43. Marine Surveying and Warranty Surveying
A specific marine warranty inspection confirming readiness of a barge, rig, or vessel for an upcoming towage operation.
Pre-transfer conference X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Discussion between master, C/E, and barge captain before bunkering begins.
Pre-treatment X69. EGCS Scrubbers, SCR and Marine Air Emissions
Preparatory exhaust handling such as soot reduction ahead of SCR catalyst.
Pre-Treatment (Ammonia Bunkering) D6. Decarbonization, emissions and alternative fuels
Necessary processing for safe ammonia bunkering.
Pre-trial inspection B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
Yard checks before sea trial.
Pre-trip alarm log X26. Reefer Containers and Cold Chain Logistics
PTI record of triggered alarms during functional test sequence.
Pre-trip inspection X70. Reefer Containers and Cold Chain Shipping
Sequence of functional checks on a reefer container before stuffing, including cooling-down, defrost, and alarm verification.
Pre-Trip Inspection (PTI) X1. Cargo Science, Commodities and Cargo Care
Reefer functional test before loading.
Pre-vetting inspection C2. Ship operations, crewing and technical management
Inspection in preparation for SIRE 2.0 or CDI.
Pre-Vetting Self Assessment X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
An operator-internal review using SIRE 2.0 VIQ-equivalent checklists before requesting the formal inspection.
Pre-Wash X93. IBC Code and Chemical Tanker Operations
Mandatory tank cleaning operation under MARPOL Annex II following discharge of certain Category X and Y cargoes.
Pre-Wash (MARPOL II) X1. Cargo Science, Commodities and Cargo Care
Mandatory wash for Category X NLS residues.
Pre-Wash Survey X5. Marine Surveying and Inspection
Verification of prewash and discharge of NLS residues under MARPOL Annex II.
Pre-wetted ice belt X27. Polar Code, Ice Navigation and Polar Operations
Use of fresh water lubrication to reduce friction on icebreaker hulls.
Pre-Wreck Removal Survey X60. Marine Salvage and Wreck Removal
Detailed assessment of a wreck before tendering wreck removal contracts.
Precast Bridge Segment X104. Project Cargo Forwarders and Heavy Transport
Factory cast deck or pier segment transported and lifted into bridge structures.
Precautionary Approach D4. Fisheries, aquaculture, blue economy and marine resources
Management approach erring on the side of caution when data are limited.
Precipitable Water D1. Physical and chemical oceanography and marine meteorology
Total atmospheric water vapor in a vertical column.
Predictive Maintenance E3. Technology, digitalization and smart shipping
Sensor/analytics-driven maintenance scheduling.
Prefectura Naval Argentina X80. Maritime Search and Rescue Coordination
Argentine Coast Guard responsible for SAR in Argentine waters.
Preferential origin C3. Logistics, freight forwarding and multimodal trade
Origin qualifying for tariff preference.
Preferred channel buoy B3. Nautical Science
Buoy at channel junction.
Preferred Equity X49. Ship Finance, Leasing and Maritime Capital Markets
Equity ranking ahead of common in dividends and liquidation, used in selected shipping deals.
Preferred Freezer Services X70. Reefer Containers and Cold Chain Shipping
United States cold storage operator, now part of Lineage Logistics following the 2019 acquisition.
Preferred Ship Mortgage X49. Ship Finance, Leasing and Maritime Capital Markets
US statutory mortgage created under 46 USC granting elevated priority.
Preferred-Channel Mark X23. AIS, GMDSS, IALA Buoyage and Aids to Navigation
Modified lateral mark with horizontal bands of red and green indicating which side is the preferred channel.
Prefix Allocation X83. ISO Container Manufacturing and Leasing
Issue of a BIC owner code to a container operator on request to BIC Paris.
Prefix Code Plan X68. Maritime Satcom and Telecommunications
Numbering plan used for satellite voice services to route calls to specific networks.
Pregnancy test (urine hCG) X36. Shipboard Medical, Telemedicine and Seafarer Health
Rapid test stocked particularly on passenger ships.
Preheat X58. Shipbuilding Yards and Construction
Heating of plates before welding to limit cooling rate and hydrogen cracking risk.
Preheating X47. Marine Fuel Quality and ISO 8217
Raising residual fuel temperature toward 120 to 150 C before injection to reach 10 to 15 cSt at the engine inlet.
Preliminary Cell X73. Marine Hydrography, Charting and ENC
An ENC cell whose data is under preliminary status pending finalisation.
Preliminary contract X35. Yacht and Superyacht Industry
Pre-charter agreement setting the framework before signature of the full MYBA charter agreement.
Preliminary Issue X51. Maritime Arbitration, Law and BIMCO Clauses
A discrete issue separated for determination ahead of the main hearing.
Preliminary Loss Report (PLR) X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
Early report by surveyor or adjuster summarizing the casualty, likely cause, and initial reserve estimate.
Preliminary meeting X152. Maritime Arbitration and Dispute Resolution
Initial procedural meeting between tribunal and parties to set procedural directions; mostly replaced by exchange of written directions and call.
Preliminary Notice X73. Marine Hydrography, Charting and ENC
A P NM advising of forthcoming permanent changes to charted information.
Preliminary report X163. Marine Accident Investigation Agencies and Landmark Inquiries
Early factual statement issued by some investigation bodies (notably MAIB Safety Bulletins and NTSB preliminary releases) ahead of the final report.
Preliminary Verification X112. IMO GHG Strategy, CII, EEXI and EU Maritime Regulation
Initial EEDI verification carried out at the design stage prior to construction.
Prelude FLNG X81. Project Cargo, Heavy-Lift and Module Carriers
Shell-operated FLNG unit, the world's largest floating offshore facility at 488 m length, delivered by Samsung Heavy Industries in 2017.
Premier X125. Superyacht Industry, Builders and Brokers
Term applied to flagship models in production lines.
Premium X4. Marine Insurance, P&I and Claims
consideration paid by the assured for the insurance.
Premium Accounting X4. Marine Insurance, P&I and Claims
settlement of premiums between broker and underwriter, governed in London by IMR or Velonetic systems.
Premium Fraud X4. Marine Insurance, P&I and Claims
dishonest manipulation of premium accounting, including double-broking.
Premium Rate X44. Shipping Indices, FFAs and Freight Markets
FFA pricing language for contracts trading above the prevailing spot equivalent of a route.
Premium Volume X117. Marine Insurance Markets, Captives and Reinsurance
The total premium written by a market or insurer, reported by IUMI by line of business.
Premium Warranty X4. Marine Insurance, P&I and Claims
warranty requiring premium to be paid by a stated date.
PREP X126. Marine Oil Spill Response and OPRC Regimes
US Preparedness for Response Exercise Program, the triennial exercise cycle for OPA 90 responders.
Prepaid Card (Inmarsat) X68. Maritime Satcom and Telecommunications
Subscription model offering blocks of airtime for handheld and small terminal services.
Pres-Vac X93. IBC Code and Chemical Tanker Operations
Danish manufacturer of pressure/vacuum valves and high-velocity vents widely fitted aboard tankers.
PreSAR X80. Maritime Search and Rescue Coordination
Preparatory phase ahead of formal SAR commencement.
Preservation of Evidence Order X51. Maritime Arbitration, Law and BIMCO Clauses
A court or tribunal order requiring preservation of documents or physical evidence.
Press brake X58. Shipbuilding Yards and Construction
Light forming press for stiffener bending.
Press Gang X39. Pre-1900 Maritime History
Body of seamen employed to compel men into Royal Navy service under the Impress Service, abolished in practice after 1815.
Press, plate X58. Shipbuilding Yards and Construction
Hydraulic press cold-forming heavy plates around dies.
Pressure Build-Up Coil X20. LNG Operations and Custody Transfer
External vaporizer on Type C tanks creating tank pressure for discharge.
Pressure compensation X65. ROVs, AUVs, USVs and Marine Robotics
Technique of filling subsea enclosures with oil at ambient pressure so the housing does not need to resist external hydrostatic load.
Pressure Control (LNG Tank) X110. LNG Bunkering Infrastructure and Vessels
Operational management of LNG cargo and bunker tank pressure to remain below the maximum allowable working pressure.
Pressure Cooker (Galley) X120. Marine Catering, Provisions and Ship Chandlers
IMPA 174419 commercial pressure pot, 30 L typical, used for stews and rice.
Pressure Drop X69. EGCS Scrubbers, SCR and Marine Air Emissions
Exhaust back-pressure increase imposed by scrubber or SCR equipment.
Pressure drop test X47. Marine Fuel Quality and ISO 8217
Filter and strainer performance check, used to flag onset of fouling from sediment or unstable fuel.
Pressure Drum X75. IMDG Code, Classes, Packing and Segregation
Welded steel transportable pressure receptacle with water capacity between 150 and 1000 liters.
Pressure gradient X16. Nautical Science, Navigation and COLREGs
Rate of change of pressure with distance.
Pressure gradient force X10. Marine Biology, Fisheries and Oceanography
Horizontal force driving fluid flow from high to low pressure.
Pressure Hull X82. Saturation Diving and Offshore Diving Operations
Primary structural envelope of a hyperbaric chamber.
Pressure Indicator Card X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
Mechanical or electronic recording of cylinder pressure vs. piston position for combustion analysis.
Pressure mine X77. Naval Mine Warfare and Mine Countermeasures
An influence mine triggered by the reduction in static pressure under a moving hull, very difficult to sweep without simulating ship speed.
Pressure pattern (synoptic) B3. Nautical Science
High/low pressure system distribution.
Pressure pulse (propeller) B1. Naval Architecture
Hull-surface pressure fluctuation from blade passage.
Pressure pulse measurement X38. Propellers, Stern Gear and Shaft Lines
Hull-mounted pressure transducer measurement of blade-rate pulses, used to assess vibration risk.
Pressure Pump X63. Marine Auxiliary Machinery and Pumps
General term for a pump providing system pressure, often the hydrophore set.
Pressure Receptacle X75. IMDG Code, Classes, Packing and Segregation
Cylinder, tube, pressure drum, bundle of cylinders or closed cryogenic receptacle.
Pressure regulating valve X19. Engine Room Watchkeeping and UMS Operations
Self acting valve maintaining downstream pressure setpoint.
Pressure Relief Device X75. IMDG Code, Classes, Packing and Segregation
Spring loaded valve, bursting disc or fusible plug fitted to pressure receptacles, MEGCs and portable tanks per IMDG.
Pressure relief valve X56. LNG/LPG Carriers and IGC Code
Spring-loaded valve that opens at set tank pressure to vent cargo vapor to the vent mast.
Pressure ridge X27. Polar Code, Ice Navigation and Polar Operations
Line or wall of broken ice forced up by pressure between floes.
Pressure surge X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Hydraulic shock during transfer that can rupture hoses or manifolds.
Pressure switch X19. Engine Room Watchkeeping and UMS Operations
On off device used in starting circuits and alarms.
Pressure Test X5. Marine Surveying and Inspection
Hydrostatic or pneumatic test for tightness and strength.
Pressure test (tank) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
Air/hydrostatic tank tightness test.
Pressure Tide Gauge D2. Hydrography, tides, waves, bathymetry and marine geology
Tide gauge measuring water pressure to infer sea level.
Pressure transmitter X19. Engine Room Watchkeeping and UMS Operations
4 to 20 mA device feeding the ECMS.
Pressure Vacuum Valve (PV) X1. Cargo Science, Commodities and Cargo Care
Tank breathing valve to prevent over/under pressure.
Pressure Vacuum Valve Test X40. Tanker Vetting, SIRE and VIQ
A cargo-tank-venting safety device test recorded in the PMS and reviewed under VIQ Chapter 8.
Pressure Vessel X75. IMDG Code, Classes, Packing and Segregation
General term for a pressure receptacle designed to contain a fluid above atmospheric pressure.
Pressure Vessel for Human Occupancy X82. Saturation Diving and Offshore Diving Operations
PVHO, ASME-coded chamber category.
Pressure Vessel Tank X83. ISO Container Manufacturing and Leasing
Tank container constructed to pressure-vessel codes for liquefied gas service.
Pressure-Compensated Reference Electrode X100. Marine Cathodic Protection and Anodes
A reference electrode designed to operate accurately under the hydrostatic pressure of deep-water service.
Pressure-Lubricated Z-Drive X137. Harbour Tugs, Towage Operators and Tug Builders
Modern azimuth thruster with full pressure oil lubrication, replacing splash designs.
Pressure-vacuum valve (ballast tank) X18. Ballast Water, Biofouling and Antifouling
Vent fitting that prevents over- or under-pressurization during ballast operations.
Pressure/Vacuum Valve X93. IBC Code and Chemical Tanker Operations
Tank vent valve typically set near +1,400 mm Aq pressure and minus 350 mm Aq vacuum, protecting against tank over- or underpressure.
Pressurized LPG carrier X134. LNG and LPG Carrier Operators and Containment Systems
Small LPG vessel with Type C tanks at ambient temperature and pressures up to 18 bar, capacities up to 7,500 cbm.
Pressurized Tank Barge X103. US Inland Waterway Towing and Barge
A barge with cargo tanks designed to carry liquefied gases such as anhydrous ammonia under pressure.
Pressurized water reactor X11. Naval Vessels, Warship Systems and Naval Architecture
Naval reactor type used on USN CVN and SSN/SSBN.
Prestart X84. Yacht Racing, Regattas and Sailing Governance
The maneuvering period before the start gun, particularly important in match racing.
Prestige X13. Marine Salvage and Wreck Removal
2002 tanker breakup off Galicia, stern section closure operation completed 2017.
Prestige (2002) X12. Maritime Casualties and Investigation
Bahamas-flag single-hull tanker that broke up off Galicia on 19 November 2002 spilling about 63,000 tonnes; led to EU acceleration of single-hull phase-out and port-of-refuge rules.
Prestige casualty (2002) X163. Marine Accident Investigation Agencies and Landmark Inquiries
Bahamas-flag products tanker that broke up off Galicia on 19 November 2002, spilling about 63,000 tonnes of heavy fuel oil; investigated by Spain (CIAIM precursor), with separate inputs from the…
Prestige Litigation X143. Landmark Maritime Law Cases and Doctrines
Series of proceedings following the November 2002 sinking off Galicia, culminating in The Prestige [2022] UKSC 8.
Prestige Spill X126. Marine Oil Spill Response and OPRC Regimes
November 13 to 19, 2002 sinking of the Bahamas-flag tanker off Galicia releasing 63,000 tonnes of heavy fuel oil 2, prompting EU port-of-refuge directive.
Prestige, MV X167. Major Salvage Companies, Wreck Removals, and Equipment
Bahamas flag single hull tanker that broke off Galicia on 19 November 2002, with residual oil recovered by Repsol in 2003 and 2004.
Pretension X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
Tension applied to a mooring line at the start of operations to take up slack before environmental loads arrive.
Pretexting X48. Maritime Cybersecurity
Social engineering technique using a fabricated scenario to obtain access or information.
Pretreatment primer X45. Marine Paints, Coatings and Antifouling
Reactive primer such as etch primer providing improved adhesion to non-ferrous substrates.
Prevailing wind X16. Nautical Science, Navigation and COLREGs
Wind that blows most frequently from a particular direction.
Preventer X3. Ship Handling, Seamanship and Deck Vocabulary
Additional rope rigged to a guy or sheet.
Prevention of Pollution from Ships X60. Marine Salvage and Wreck Removal
MARPOL framework establishing pollution standards observed during salvage operations.
Preventive maintenance X15. Ports, Terminals and Stevedoring
scheduled equipment service per OEM cycles.
Prewash (Reg 13 Annex II) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The mandatory prewashing of tanks containing certain category X and Y NLS residues before unloading at the next port, recorded in the Cargo Record Book.
Pribilof Islands X97. Polar Expedition Cruise and IAATO Operations
Bering Sea islands off Alaska known for fur seals and seabird colonies.
PRICAT X6. Container, Intermodal and Trade Codes
Price/Sales Catalogue Message, EDIFACT message used in some forwarding tariffs.
Price Cap (Crude) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
USD 60 per barrel ceiling on Russian seaborne crude oil, effective 5 December 2022.
Price Cap (Discount Products) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
USD 45 per barrel ceiling on Russian petroleum products typically discounted to crude, effective 5 February 2023.
Price Cap (Premium Products) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
USD 100 per barrel ceiling on Russian petroleum products typically priced above crude, effective 5 February 2023.
Price Cap Coalition E1. Maritime security, geopolitics and risk
G7+ measure on Russian oil export pricing (Dec 2022).
Price Cap Determination (Treasury) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
The U.S. determination under EO 14071 specifying the price cap and effective dates.
Price Cap Guidance (December 5 2022) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
U.S. Treasury Preliminary Guidance and OFSI General Guidance establishing the attestation framework for crude.
Price Cap Guidance (February 5 2023) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
Updated U.S. Treasury and OFSI guidance extending the framework to petroleum products.
Price Cap Guidance (Updated October 12 2023) X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
The "Updated Guidance on Implementation of the Price Cap Policy" tightening attestation, requiring per-voyage attestations from Tier 3 actors.
Price Discovery X44. Shipping Indices, FFAs and Freight Markets
Process by which broker quotes, exchange trades, and panellist submissions converge on a market-clearing freight level.
Price Idea X29. Ship Sale and Purchase, Management Contracts and Valuation
Non-binding indication of acceptable price level.
Pricing curve C1. Commercial shipping, chartering, economics and finance
Forward freight curve published by brokers.
Pricing Grid X49. Ship Finance, Leasing and Maritime Capital Markets
Schedule of margins linked to leverage or rating in a syndicated facility.
Pricing, Reinsurance X117. Marine Insurance Markets, Captives and Reinsurance
The actuarial or experience-based method of setting reinsurance premium.
Pride of America X64. Cruise Industry Operators, Brands and Ships
Norwegian Cruise Line US-flagged ship operating year-round in Hawaii since 2005.
Pride of Baltimore II X128. Sail Training Ships and Tall Ship Associations
American 1988 topsail schooner reproduction of an 1812 Baltimore clipper, 47 m sparred length, official goodwill ambassador of Maryland, operates youth sail education.
Pride of Britain X85. Ferries, Ro-Pax Operators and Routes
Historical P&O Ferries Dover Strait ro-pax name.
Pride of Burgundy X85. Ferries, Ro-Pax Operators and Routes
P&O Ferries Dover Strait ro-pax built 1992.
Pride of Canterbury X85. Ferries, Ro-Pax Operators and Routes
P&O Ferries Dover Strait ro-pax built 1991.
Pride of Hull X85. Ferries, Ro-Pax Operators and Routes
P&O Ferries North Sea cruise-ferry built 2001 deployed on Hull to Rotterdam.
Pride of Kent X85. Ferries, Ro-Pax Operators and Routes
P&O Ferries Dover Strait ro-pax built 1992.
Pride of Rotterdam X85. Ferries, Ro-Pax Operators and Routes
P&O Ferries North Sea cruise-ferry built 2001 sister to Pride of Hull.
Pride RBS-8M X153. Offshore Drilling Rigs, FPSOs, and Offshore Vessels
Reading & Bates Pride-era enhanced semisubmersible design used for ultra-deepwater drilling rigs.
Prima Class X164. Cruise Industry, Brands, Ship Classes, and Terminals
A Norwegian Cruise Line class of six planned ships including Norwegian Prima, Norwegian Viva, Norwegian Aqua, and Norwegian Luna.
Primar X73. Marine Hydrography, Charting and ENC
The Norwegian RENC based in Stavanger, distributing ENCs from member HOs worldwide.
Primar S-63 X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
Primar's IHO S-63 protected ENC distribution operated from Stavanger, Norway.
Primary armour X175. Port Engineering, Dredging, Breakwaters, and Quays
Outer protective rock or concrete unit layer of a rubble mound breakwater, sized to resist the design wave.
Primary Barrier X20. LNG Operations and Custody Transfer
Innermost CCS layer in contact with LNG, e.g. 1.2 mm corrugated stainless on Mark III.
Primary cell X19. Engine Room Watchkeeping and UMS Operations
Battery used for emergency telephones and starting of emergency generator solenoids.
Primary Cutting Zone X28. Ship Recycling and End-of-Life
Designated impermeable area where the large blocks are cut on a yard.
Primary Datum X80. Maritime Search and Rescue Coordination
Initial computed datum before subsequent updates.
Primary GMDSS Service Provider X68. Maritime Satcom and Telecommunications
Designation under IMSO for organizations providing recognized GMDSS satellite services.
Primary Hazard X75. IMDG Code, Classes, Packing and Segregation
Main hazard class assigned to a substance, distinct from subsidiary risk.
Primary Hazard Label X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
The label corresponding to the primary class assignment of a dangerous good, displayed on the package.
Primary Insulation Space (PIS/IBS) X20. LNG Operations and Custody Transfer
Space between primary and secondary barriers, monitored by N2 pressure and HC content.
Primary Packaging X75. IMDG Code, Classes, Packing and Segregation
Term sometimes used for inner packaging in pharmaceutical industries, equivalent to inner packaging under IMDG for Class 6.2 triple packaging system.
Primary Production D1. Physical and chemical oceanography and marine meteorology
Rate of synthesis of organic matter by photosynthesis or chemosynthesis.
Primary Receptacle X75. IMDG Code, Classes, Packing and Segregation
First receptacle in the triple packaging system for Category A infectious substances.
Primary Sample X115. Marine Bunker and Cargo Surveying
Composite sample formed from the continuous drip during the entire bunker delivery, the basis for retained MARPOL samples.
Primary steel X42. Offshore Wind Installation and Cable Lay
Main load bearing structural components of a monopile or jacket including the cans and tubular legs.
Primary treatment (BWMS) X18. Ballast Water, Biofouling and Antifouling
Pre-treatment step, typically filtration.
PRIME X101. Vessel Brokerage Software and Chartering Platforms
Family of shipping ERP and chartering products including PRIME 96 and PRIME Plus.
Prime Meridian D2. Hydrography, tides, waves, bathymetry and marine geology
Reference meridian for longitude, historically Greenwich.
Prime mover X19. Engine Room Watchkeeping and UMS Operations
Engine or turbine driving a generator or propeller.
Prime vertical X16. Nautical Science, Navigation and COLREGs
Great circle through the zenith and east and west points of the horizon.
PrimeLINE X26. Reefer Containers and Cold Chain Logistics
Carrier Transicold high-efficiency container reefer unit, R134a in current configurations.
PrimeLINE Plus X26. Reefer Containers and Cold Chain Logistics
Updated PrimeLINE variant with enhanced energy performance and connectivity.
Primer X45. Marine Paints, Coatings and Antifouling
First coat of a system applied directly to the substrate to provide adhesion and corrosion protection.
PrimeShip-HULL X54. Naval Architecture Software and IACS Rules
ClassNK suite for rule calculation and direct strength assessment of ship structures.
Prince of Wales X62. Naval Warships and Combat Systems
HMS Prince of Wales, Royal Navy aircraft carrier with pennant R09.
Prince Philip X84. Yacht Racing, Regattas and Sailing Governance
Late patron of the Royal Yachting Association and long-time sailor.
Prince Rupert Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
BC Coast Pilots Ltd unit operating under the Pacific Pilotage Authority at Prince Rupert and Stewart.
Prince William X128. Sail Training Ships and Tall Ship Associations
UK Sail Training Association brig built 2001 at Appledore, 60 m length, replaced Sir Winston Churchill and Malcolm Miller, sold 2010 to private owners.
Prince William Sound X124. Dredging Industry and Reclamation Contractors
Alaskan area requiring contaminated sediment dredging post-Exxon Valdez.
Princess Anne X132. High-Speed Craft, Hydrofoils and Ferry Operators
SR.N4 Mk3 hovercraft, served on Dover-Boulogne and Dover-Calais routes with Hoverspeed, preserved at Lee-on-the-Solent.
Princess Cays X64. Cruise Industry Operators, Brands and Ships
Princess Cruises private beach destination on Eleuthera, Bahamas.
Princess Cruises X24. Cruise, Passenger Ship and Ferry Operations
Premium brand within Carnival Corporation.
Princess Elisabeth Antarctica X133. Polar Research Vessels and Polar Code Regimes
Belgian zero-emission summer-only station opened 2009 in Queen Maud Land.
Princess Margaret X132. High-Speed Craft, Hydrofoils and Ferry Operators
Sister SR.N4 Mk3 hovercraft to Princess Anne, scrapped in 2018.
Princess Seaways X85. Ferries, Ro-Pax Operators and Routes
DFDS cruise-ferry built 1986 sister to King Seaways on Newcastle to IJmuiden.
Princess Yachts X35. Yacht and Superyacht Industry
UK production yacht builder in Plymouth.
Principal X71. Shipbrokers and Brokerage Firms
The owner, charterer, buyer, or seller behind the broker.
Principal Lunar Tide D2. Hydrography, tides, waves, bathymetry and marine geology
M2 tidal constituent.
Principal Paydown X49. Ship Finance, Leasing and Maritime Capital Markets
Scheduled or unscheduled reduction of outstanding loan principal.
Principal Recovery Firm X157. Marine Loss Adjusters, GA Practice, and Casualty Firms
Specialist firm engaged by cargo underwriters to pursue subrogated recoveries against carriers and third parties.
Principal-to-principal X71. Shipbrokers and Brokerage Firms
Direct deal without brokers, rare in modern shipping S&P.
Principal's Funds Statement X86. Port Agency, Husbandry and Disbursement
Statement of funds received and disbursed on the principal's behalf.
Principle Power X105. Offshore Wind Farm Installation and Vessels
US-based developer of the WindFloat semi-submersible floating wind platform used at Kincardine and WindFloat Atlantic.
PRINS (Pure Inertial Navigation System) X16. Nautical Science, Navigation and COLREGs
Inertial navigation independent of GNSS.
Print on Package X75. IMDG Code, Classes, Packing and Segregation
UN packaging code plus performance level letter and country code, indicating compliance with IMDG 6.1.
Priority I X7. Flag State, Port State Control and Detention Vocabulary
Paris MoU label for ships that must be inspected, time window expired.
Priority II X7. Flag State, Port State Control and Detention Vocabulary
Paris MoU label for ships that may be inspected, time window opened.
Priority III X146. Port State Control Regimes, MoUs, and Inspection Systems
The Tokyo MoU category for ships outside their inspection window but eligible for selection.
Priority Salvage Equipment X60. Marine Salvage and Wreck Removal
Critical first response gear airlifted or rapidly shipped to a casualty site.
Prismatic coefficient (CP) B1. Naval Architecture
Volume divided by midship-section area times length.
Prismatic Coefficient Check X5. Marine Surveying and Inspection
Cross check of hydrostatic data during draft surveys.
Prismatic tank X56. LNG/LPG Carriers and IGC Code
Non-cylindrical tank with planar faces, used in IMO Type A and SPB Type B containment.
Prison and Detention Welfare X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Mission and union response to seafarers detained ashore on criminal or immigration grounds.
Private Network X68. Maritime Satcom and Telecommunications
Customer-specific virtual network delivered across a satellite service.
Private Placement X49. Ship Finance, Leasing and Maritime Capital Markets
Offering of debt or equity to a limited number of qualified investors.
Private yacht X35. Yacht and Superyacht Industry
Yacht used exclusively for the owner's pleasure, not engaged in trade or charter.
Privateer F1. Maritime History
Privately owned vessel licensed by a state to attack enemy shipping.
Privateer (Historic) E2. Naval, defence and maritime law enforcement
Privately owned vessel commissioned to attack enemy shipping.
Privately Contracted Armed Security Personnel X22. Piracy, Maritime Security and Armed Protection
Commercial armed guards embarked with flag state approval to deter piracy.
Privilege Escalation X25. Maritime Cybersecurity, OT and IT
Adversary technique of gaining higher level permissions.
Privileged Access Management X48. Maritime Cybersecurity
Controls for the use, monitoring, and rotation of privileged credentials.
Privileged Access Workstation (PAW) X139. Maritime Cybersecurity, OT Threats and Standards
Hardened admin host used to manage OT systems, a NIST SP 800-82r3 recommendation.
Privileged Account X48. Maritime Cybersecurity
Account with elevated rights that warrants additional protection on shipboard and shore systems.
Privileged record X163. Marine Accident Investigation Agencies and Landmark Inquiries
Record protected under the Casualty Investigation Code from disclosure for purposes other than the marine safety investigation, except where a competent authority determines that disclosure…
Privity A5. Maritime Law, private and commercial
Doctrine relevant to enforcement of bill-of-lading terms by third parties.
Privity of Contract X51. Maritime Arbitration, Law and BIMCO Clauses
The doctrine restricting enforcement of contractual rights to the parties to the contract, modified by the Contracts (Rights of Third Parties) Act 1999.
Priya Blue Industries X118. Ship Recycling Yards, Beaches and Regulation
Alang plot operator with HKC Statement of Compliance reported in trade press from major IACS societies; confirm via current Class registry.
Prize (Law of Naval Warfare) E2. Naval, defence and maritime law enforcement
Captured enemy or neutral vessel/cargo subject to adjudication.
Prize Court E1. Maritime security, geopolitics and risk
Tribunal adjudicating captured vessels and cargo.
PRO X57. Ocean Energy Beyond Wind
Pressure-retarded osmosis, a salinity gradient power technology that exploits osmotic pressure across selective membranes.
Pro 5 X65. ROVs, AUVs, USVs and Marine Robotics
VideoRay observation-class ROV in the Pro family.
Pro Forma Account X86. Port Agency, Husbandry and Disbursement
Pre-call estimate of costs as in the Pro Forma Disbursement Account.
Pro forma Calculation X5. Marine Surveying and Inspection
Draft survey worksheet using approved format.
PRO FORMA disbursement account C1. Commercial shipping, chartering, economics and finance
Estimated port costs prepared by the agent.
Pro forma invoice X6. Container, Intermodal and Trade Codes
Provisional invoice issued before shipment for permits and finance.
Pro Forma Leverage X49. Ship Finance, Leasing and Maritime Capital Markets
Leverage calculated giving effect to a proposed transaction.
Pro Rata Cancellation X4. Marine Insurance, P&I and Claims
cancellation with return of unearned premium proportional to unexpired period.
Pro-Rata Hire X17. Chartering, Shipbroking and Freight Trading
Hire calculated for part of a period, common at delivery or redelivery.
Proactive in-water cleaning X18. Ballast Water, Biofouling and Antifouling
Removal of biofilm and incipient fouling using soft brushes or water jets without removing AFS biocide layer.
PROBA-V X74. AIS Data, Vessel Tracking and Maritime Intelligence
ESA microsatellite that included an experimental AIS payload.
Probabilistic Damage Stability X9. Cargo Securing, Lashing and Stability Vocabulary
SOLAS Ch II-1 Part B-1 framework using R and A indices.
Probability Map X80. Maritime Search and Rescue Coordination
Spatial map of survivor location probability used in advanced SAR systems.
Probable X75. IMDG Code, Classes, Packing and Segregation
Term avoided in classification; IMDG decisions rest on standardized test data.
Probable cause X12. Maritime Casualties and Investigation
Term used by NTSB for the determined principal cause and contributing factors.
Probable Maximum Loss (PML) X117. Marine Insurance Markets, Captives and Reinsurance
A statistical estimate of the largest credible loss to an insured exposure.
Probationary pilot X32. Marine Pilotage and Pilot Operations
Newly licensed pilot subject to operational supervision.
Probe Thermometer X41. Cruise Ship Public Health and VSP/USPH
Portable digital instrument used to verify internal temperatures of cooked, cooled, and held foods.
Probe Thermometer (HACCP) X120. Marine Catering, Provisions and Ship Chandlers
IMPA 174156 calibrated digital probe for chiller, freezer, and core temperature checks.
Probiotic STP X19. Engine Room Watchkeeping and UMS Operations
Sewage treatment plant using biological aerobic digestion to meet MEPC.227(64).
Probo Koala 2006 X50. Ship Recycling, Demolition and Hong Kong Convention
The 2006 toxic waste dumping incident involving the cargo ship Probo Koala, with disposal of caustic slops in Abidjan, Cote d'Ivoire.
Procap convoy X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
An informal term for a large pushed convoy on the lower Rhine.
Procedural Order X51. Maritime Arbitration, Law and BIMCO Clauses
A direction by a tribunal regulating the conduct of the reference.
Procedural Order Number 1 X114. Maritime Arbitration and Shipping Law Firms
First procedural order in LMAA and other arbitrations setting out the timetable.
Procedural Order Number One X51. Maritime Arbitration, Law and BIMCO Clauses
The initial directions order in an arbitration setting out timetable, evidence, and hearing arrangements.
Procedural Requirement 29 X54. Naval Architecture Software and IACS Rules
IACS PR29 covering software-based system requirements for onboard computers.
Procedural Rules 2020 X99. Marine Salvage Awards and SCOPIC
Lloyd's rules governing the conduct of salvage arbitration under the LOF.
Procedural timetable X152. Maritime Arbitration and Dispute Resolution
Calendar fixed by the tribunal for pleadings, disclosure, witness statements, expert reports, pre-hearing review, and hearing.
Procedure (collision avoidance) X16. Nautical Science, Navigation and COLREGs
Steps taken in compliance with COLREGs to avoid collision.
Procedures for Port State Control X146. Port State Control Regimes, MoUs, and Inspection Systems
The IMO consolidated procedures most recently adopted as Resolution A.1138(31) in 2019.
Process Air Compressor X63. Marine Auxiliary Machinery and Pumps
Compressor supplying air to process loads such as IG topping-up or instrument service.