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.
- 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.
- 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.
- PRF (Port Reception Facility) D3. Marine environmental science, pollution and conservation
- Shore facility for ship-generated wastes under MARPOL.
- 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 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.
- Pricker X3. Ship Handling, Seamanship and Deck Vocabulary
- Small marlinspike.
- 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.
- 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 Plan (Starlink) X68. Maritime Satcom and Telecommunications
- Starlink subscription tier offering preferential network access for maritime users.
- 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 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.