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Glossary

Maritime glossary, terms beginning with P (page 10)

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

Showing 250 of 2685 terms (page 10 of 11).

Process Hazard Analysis (PHA) X139. Maritime Cybersecurity, OT Threats and Standards
Safety study now extended with cyber-PHA per ISA TR84.00.09 to address OT compromise scenarios.
Process pressure vessel X56. LNG/LPG Carriers and IGC Code
Pressure vessel forming part of the cargo handling system, governed by IGC Code Chapter 5.
Process Question X40. Tanker Vetting, SIRE and VIQ
A SIRE 2.0 question category covering documented procedures and management-system requirements.
Process Safety Information (PSI) X20. LNG Operations and Custody Transfer
Required under terminal PSM programs (US OSHA 29 CFR 1910.119).
Prochlorococcus X10. Marine Biology, Fisheries and Oceanography
Tiny cyanobacterium, the most abundant photosynthetic organism on Earth.
Prochlorperazine X36. Shipboard Medical, Telemedicine and Seafarer Health
Antiemetic and anti-vertigo medication.
Procom BNWAS X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
Watch alarm system from Danish manufacturer Procom for SOLAS-mandated vessels.
Procure to Pay Service X86. Port Agency, Husbandry and Disbursement
Service combining procurement, invoicing, and payment for ship spend.
Procurement X58. Shipbuilding Yards and Construction
Acquisition of owner-furnished and yard-procured material per project schedule.
Procurement Audit, IHM X50. Ship Recycling, Demolition and Hong Kong Convention
The supply chain review of incoming stores to ensure threshold-respecting materials are received.
Procurement Cyber Clause X48. Maritime Cybersecurity
Contractual requirement obliging suppliers to meet specified cyber security controls for shipboard equipment.
Procurement Officer (Fleet) X120. Marine Catering, Provisions and Ship Chandlers
Shoreside role aggregating chandler contracts across managed fleet for volume pricing.
PRODUCE (Peru Ministerio de la Producción) X87. Fishing Vessels and Fisheries Management
Peruvian ministry administering fisheries through Viceministerio de Pesca.
Producer Code X73. Marine Hydrography, Charting and ENC
The IHO S-62 four-character agency code identifying the ENC producer.
Product code X6. Container, Intermodal and Trade Codes
Generic term for an HS subheading or company SKU.
Product Specification X73. Marine Hydrography, Charting and ENC
An S-100-conformant document defining the structure and content of a hydrographic data product (S-101, S-102, S-104, S-111, S-122, S-124, S-129, S-201, S-211).
Product Specification (S-100) X129. Hydrographic Offices, Survey Vessels and Marine Cartography
Document defining the content, structure, and encoding of an S-100 product such as S-101 or S-102.
Product tanker B5. Ship Types and Individual Vessels
Tanker for refined petroleum products.
Product Tanker Salvage X60. Marine Salvage and Wreck Removal
Operations on tankers carrying refined products such as gasoline, jet fuel, or diesel.
Product Tanker Theft X22. Piracy, Maritime Security and Armed Protection
Pirate model targeting refined cargo for transhipment, principally in Southeast Asia.
Production formula X124. Dredging Industry and Reclamation Contractors
Net m3/hour = pipe area times velocity times concentration, basic CSD KPI.
Production Network X48. Maritime Cybersecurity
Network supporting live operational systems on board, including OT.
Production of Documents X51. Maritime Arbitration, Law and BIMCO Clauses
The disclosure obligation in arbitration, often governed by the IBA Rules on the Taking of Evidence.
Production plan X58. Shipbuilding Yards and Construction
Yard master plan defining cutting, assembly, erection, and outfitting milestones.
Production Riser X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Conduit connecting a subsea well or pipeline to a topside production facility, typically flexible or rigid.
Production yacht X125. Superyacht Industry, Builders and Brokers
Series built yacht with fixed specification and limited options.
Productive Move X46. Container Terminal Operations
A container move that advances vessel loading or discharge, as opposed to a yard rehandle.
Productivity X10. Marine Biology, Fisheries and Oceanography
Rate of biomass production, usually expressed per area per time.
Productivity per berth X15. Ports, Terminals and Stevedoring
moves per berth hour across all cranes.
Productivity per crane X15. Ports, Terminals and Stevedoring
container moves per crane hour.
Proficiency in Designated Security Duties X21. STCW Certificates, Crewing and Seafarer Welfare
PDSD, STCW Regulation VI/6 paragraph 4 short course.
Proficiency in Security Awareness X21. STCW Certificates, Crewing and Seafarer Welfare
PSA, STCW Regulation VI/6 paragraph 1 short course.
Proficiency in Survival Craft and Rescue Boats X55. Marine Simulators, Training and Maritime Academies
PSCRB course aligned with STCW Regulation VI/2 and IMO Model Course 1.23.
Proficiency in Survival Craft and Rescue Boats other than Fast Rescue Boats X21. STCW Certificates, Crewing and Seafarer Welfare
PSCRB, STCW Regulation VI/2 paragraph 1 course.
Profile cutter X58. Shipbuilding Yards and Construction
Machine cutting structural shapes and stiffeners from rolled stock.
Profile depth X45. Marine Paints, Coatings and Antifouling
Distance between peak and valley of a blasted steel surface, often specified between 50 and 100 micrometers.
Profile gauge X165. Marine Coatings, Antifouling, and Hull Husbandry
A digital depth-micrometer device that measures peak-to-valley surface roughness of blasted steel.
Profile tape X45. Marine Paints, Coatings and Antifouling
Replica tape used to take an impression of the surface profile for measurement.
Profile, Sound Velocity X129. Hydrographic Offices, Survey Vessels and Marine Cartography
Vertical profile of sound speed used to refract beam paths in multibeam processing.
Profit Commission X117. Marine Insurance Markets, Captives and Reinsurance
A reinsurance commission paid back to the cedent if treaty results exceed targets.
Profit-sharing clause C1. Commercial shipping, chartering, economics and finance
Clause sharing voyage profits between owner and charterer.
Programme Recipient X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
A non-member entity authorized by OCIMF to receive SIRE reports under defined conditions.
Progressing Cavity Pump X63. Marine Auxiliary Machinery and Pumps
Eccentric screw pump producing low-pulsation flow of viscous or solids-laden fluids.
Progressive Flooding X60. Marine Salvage and Wreck Removal
Spread of water through internal openings, a key factor in casualty stability analysis.
Project 10510 X133. Polar Research Vessels and Polar Code Regimes
Russian Leader-class nuclear icebreaker design, lead ship Rossiya under construction at Zvezda since 2020.
Project 10520 X52. Polar Code, Arctic and Antarctic Shipping
Soviet and Russian nuclear icebreaker class including Arktika, Sibir, Rossiya, Sovetsky Soyuz, and Yamal.
Project 10580 Taymyr X52. Polar Code, Arctic and Antarctic Shipping
Russian shallow-draft nuclear icebreaker class including Taymyr and Vaygach for Yenisei estuary operations.
Project 1143.5 X106. Naval Surface Combatants
Russian Navy designation for the Admiral Kuznetsov-class aircraft carrier.
Project 1144 X106. Naval Surface Combatants
Russian Navy designation for the Kirov-class nuclear-powered guided-missile cruiser.
Project 1155 X106. Naval Surface Combatants
Russian Navy designation for the Udaloy-class anti-submarine destroyer.
Project 1164 X106. Naval Surface Combatants
Russian Navy designation for the Slava-class guided-missile cruiser.
Project 12700 X77. Naval Mine Warfare and Mine Countermeasures
A Russian Navy Alexandrit-class composite-hull minesweeper program.
Project 20380 X106. Naval Surface Combatants
Russian Navy designation for the Steregushchy-class multi-role corvette.
Project 22220 X52. Polar Code, Arctic and Antarctic Shipping
Russian universal nuclear icebreaker class also designated LK-60Ya, comprising Arktika, Sibir, Ural, Yakutia, and Chukotka.
Project 22350 X11. Naval Vessels, Warship Systems and Naval Architecture
Russian Admiral Gorshkov class frigate.
Project 22440 X52. Polar Code, Arctic and Antarctic Shipping
Russian designation used for the LK-110Ya Lider series in some technical literature, also reported as Project 10510.
Project 22800 X106. Naval Surface Combatants
Russian Navy designation for the Karakurt-class missile corvette.
Project 23550 X62. Naval Warships and Combat Systems
Russian Ivan Papanin-class armed icebreaker and patrol ship program.
Project 636.3 X11. Naval Vessels, Warship Systems and Naval Architecture
Improved Kilo class submarine.
Project 956 X106. Naval Surface Combatants
Russian Navy designation for the Sovremenny-class destroyer.
Project Apollo Cable X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Trans-Pacific cable system between China and the US under regulatory review.
Project Bond X49. Ship Finance, Leasing and Maritime Capital Markets
Bond issued by a project SPV and secured by its assets and cash flows.
Project Broker X49. Ship Finance, Leasing and Maritime Capital Markets
Norwegian originator that structures and places KS shipping projects.
Project Cargo Agency Services X86. Port Agency, Husbandry and Disbursement
Specialist agency services for project cargo movements.
Project Cargo Bill of Lading X104. Project Cargo Forwarders and Heavy Transport
Bill of lading marked with detailed measurements, weights, and lashing references.
Project cargo desk X71. Shipbrokers and Brokerage Firms
Department specializing in oversized or specialized cargo shipments.
Project Cargo Lift Network (PCLN) X104. Project Cargo Forwarders and Heavy Transport
Independent network of project freight forwarders and heavy lift specialists.
Project Cargo Network (PCN) X104. Project Cargo Forwarders and Heavy Transport
London-headquartered project forwarder network founded in 2010 by Rachel Crawford.
Project Cargo Removal X28. Ship Recycling and End-of-Life
Disconnection and recovery of installed project equipment prior to dismantling.
Project Cargo Summit X119. Maritime Conferences, Trade Shows and Awards
Annual Rotterdam-based event for project freight launched 2017.
Project Cargo Survey X43. Marine Surveying and Warranty Surveying
A specialist attendance for non-containerized industrial cargo, covering rigging, stowage, securing, and route survey.
Project Cargo Towage X79. Tugs and Towage Industry
Towage of barges loaded with heavy lift and oversize cargoes between project sites.
Project Carrier X81. Project Cargo, Heavy-Lift and Module Carriers
Multipurpose vessel optimized for project cargo, typically with reinforced tank tops, removable tweendecks and heavy-lift cranes.
Project Charter Vessel X104. Project Cargo Forwarders and Heavy Transport
Vessel hired exclusively for the carriage of one or more project units.
Project Coordinator X104. Project Cargo Forwarders and Heavy Transport
Forwarder role aligning manufacturer, carrier, contractor, and site teams.
Project DEEPC X57. Ocean Energy Beyond Wind
European consortium reference name for deep water CCS storage studies.
Project Depth X103. US Inland Waterway Towing and Barge
The depth a navigation channel is designed and maintained to provide.
Project Engineer Forwarder X104. Project Cargo Forwarders and Heavy Transport
Engineer within a forwarder responsible for lift and transport design.
Project Finance X49. Ship Finance, Leasing and Maritime Capital Markets
Limited recourse financing in which lenders look principally to vessel cash flows.
Project Form X60. Marine Salvage and Wreck Removal
BIMCO 2018 Project standard form for the carriage of project cargo.
Project Forward Simulator X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment
NYK Group simulator centre Manila.
Project Forwarding Contract X104. Project Cargo Forwarders and Heavy Transport
Master agreement between shipper and forwarder for a defined project scope.
Project Glomar X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Historical US deep-ocean program with seabed mapping relevant to later cable routing.
Project Greensand X57. Ocean Energy Beyond Wind
Alternate styling of the Greensand CO2 storage project led by INEOS in the Danish North Sea.
Project Industrial Logistics (PIL) X104. Project Cargo Forwarders and Heavy Transport
DSV project division handling industrial and energy moves.
Project Logistics Manager X104. Project Cargo Forwarders and Heavy Transport
Senior client or contractor role owning the project supply chain end to end.
Project Longship X57. Ocean Energy Beyond Wind
Norwegian government umbrella program for CO2 capture, transport, and storage that includes Northern Lights.
Project Magnet X74. AIS Data, Vessel Tracking and Maritime Intelligence
Iridium and Northern Sky Research project to host AIS receivers on the Iridium NEXT constellation.
Project manager X58. Shipbuilding Yards and Construction
Yard officer responsible for delivering a contract on schedule and budget.
Project Manager Heavy Lift X104. Project Cargo Forwarders and Heavy Transport
Carrier or contractor role overseeing a heavy lift campaign from quote to demobilization.
Project Movement Plan X104. Project Cargo Forwarders and Heavy Transport
Master plan covering all sequences, routes, and dates for project cargo delivery.
Project name X125. Superyacht Industry, Builders and Brokers
Internal builder reference, often the only public identifier until handover, examples being Sassi (Feadship 1010), Pinnacle (Lurssen), and Halo.
Project Professionals Group (PPG) X104. Project Cargo Forwarders and Heavy Transport
Independent project freight forwarder cooperation network.
Project Reefer Cargo X104. Project Cargo Forwarders and Heavy Transport
Project cargo with temperature control needs, such as transformers or insulated modules.
Project Site Office X104. Project Cargo Forwarders and Heavy Transport
Forwarder office at the construction site supporting day-to-day deliveries.
Project-Based Mechanism D6. Decarbonization, emissions and alternative fuels
Carbon market mechanism crediting emission reductions from projects.
ProjectDecarbo X34. Decarbonization, Alternative Fuels and Carbon Pricing
Stena Bulk and partners pilot on onboard CO2 capture.
Projection X73. Marine Hydrography, Charting and ENC
See Map Projection.
Proliferation Financing X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
FATF-defined risk that targeted financial sanctions seek to prevent, applied to maritime payments for DPRK and Iranian programs.
Proliferation Security Initiative (PSI) E1. Maritime security, geopolitics and risk
2003 multilateral initiative to interdict WMD-related transfers.
PROMAN X111. Methanol, Ammonia and Alternative Marine Fuels
Trinidad and Switzerland-based methanol producer active in methanol shipping and marine bunkering.
ProMare X109. Maritime Autonomous Surface Ships and MASS Code
The non profit marine research organization that, with IBM, built the Mayflower Autonomous Ship.
Promas X162. Naval Architecture, Stability, Resistance, and Structural Design
Integrated rudder-propeller propulsion concept from Kongsberg (formerly Rolls-Royce Marine).
Promas (Kongsberg) X38. Propellers, Stern Gear and Shaft Lines
Integrated propeller-hub-cap-rudder system marketed by Kongsberg (formerly Rolls-Royce) combining a hub cap and propeller-aligned rudder bulb.
Promas Lite X38. Propellers, Stern Gear and Shaft Lines
Retrofit version of Promas adapting existing rudder and propeller arrangements.
Promenade deck X3. Ship Handling, Seamanship and Deck Vocabulary
Passenger deck for walking.
Promissory Warranty X4. Marine Insurance, P&I and Claims
warranty by which the assured undertakes that some particular thing shall or shall not be done, governed by section 33 of the Marine Insurance Act 1906 and reformed by the Insurance Act 2015.
Prompt Month X44. Shipping Indices, FFAs and Freight Markets
Nearest FFA contract month after the current trading day, often the most liquid contract on the curve.
Promptness of Services (Article 13(1)(h)) X99. Marine Salvage Awards and SCOPIC
Criterion rewarding the speed with which salvors respond to a casualty.
Promulgation (NTM) X16. Nautical Science, Navigation and COLREGs
Issue and distribution of Notices to Mariners.
Proof Load Test X104. Project Cargo Forwarders and Heavy Transport
Test loading of slings, beams, and frames at a multiple of working load limit.
Proof of funds X71. Shipbrokers and Brokerage Firms
Buyer evidence of deposit capability requested by the seller's broker before subs.
Proof of Loss X4. Marine Insurance, P&I and Claims
documents establishing the loss claimed.
Proofpoint X107. Maritime Cybersecurity and OT Security
Secure email gateway and information protection vendor.
Propane X1. Cargo Science, Commodities and Cargo Care
LPG component; carried at -42 C fully refrigerated.
Propane UN 1978 X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
A Class 2.1 flammable liquefied gas.
Propanol X75. IMDG Code, Classes, Packing and Segregation
UN 1274, Class 3 flammable liquid Packing Group II or III by isomer.
Propellant Liquid X75. IMDG Code, Classes, Packing and Segregation
UN 0495, Class 1.3C.
Propellant Solid X75. IMDG Code, Classes, Packing and Segregation
UN 0498 Class 1.1C or UN 0499 Class 1.3C.
Propeller X103. US Inland Waterway Towing and Barge
The screw that converts engine torque into thrust on a towboat.
Propeller (ice-class) X27. Polar Code, Ice Navigation and Polar Operations
Propellers designed to withstand ice contact loads under IACS UR I.
Propeller Anode X100. Marine Cathodic Protection and Anodes
A sacrificial anode mounted on or near the propeller assembly, including rope-guard anodes that share its protection.
Propeller Balance X113. Drydock and Ship Repair Yards
Drydock static or dynamic balancing of propellers following repair, blade renewal, or pitch adjustment.
Propeller balancing X38. Propellers, Stern Gear and Shaft Lines
Static balancing performed during manufacture, with dynamic balancing for high-speed propellers.
Propeller boss cap fin (PBCF) B1. Naval Architecture
Energy-saving boss cap with fins.
Propeller cavitation criteria (Burrill) B1. Naval Architecture
Empirical chart of thrust coefficient and cavitation number.
Propeller cone X38. Propellers, Stern Gear and Shaft Lines
Tapered shaft end on which the propeller hub seats via keyless or keyed fit.
Propeller curve X38. Propellers, Stern Gear and Shaft Lines
Power versus shaft speed relationship of the propeller absorbing in service, normally cubic in calm water.
Propeller diameter D X38. Propellers, Stern Gear and Shaft Lines
Tip-to-tip diameter of the propeller, the principal geometric parameter.
Propeller drawing in/out (yard procedure) X38. Propellers, Stern Gear and Shaft Lines
Sequence for fitting or withdrawing the propeller from the shaft cone using a hydraulic pull-up tool.
Propeller efficiency at design point X38. Propellers, Stern Gear and Shaft Lines
eta_0 evaluated at the J corresponding to design speed and RPM.
Propeller emergence X38. Propellers, Stern Gear and Shaft Lines
Partial emergence of the propeller at light draft or in waves, leading to ventilation and load fluctuation.
Propeller fouling X18. Ballast Water, Biofouling and Antifouling
Loss of propulsive efficiency due to roughness; addressed by polishing or coating.
Propeller hub X38. Propellers, Stern Gear and Shaft Lines
Central body of the propeller, carrying the blades (FPP) or the pitch mechanism (CPP).
Propeller Ice Loads X133. Polar Research Vessels and Polar Code Regimes
IACS UR I3 defines design loads for Polar Class shafting and propulsion.
Propeller immersion X38. Propellers, Stern Gear and Shaft Lines
Distance from waterline to propeller shaft centerline, a major cavitation parameter.
Propeller induced pressure X38. Propellers, Stern Gear and Shaft Lines
Unsteady pressure field on the hull from blade passage and cavity volume variation.
Propeller Inspection X5. Marine Surveying and Inspection
Examination of blades, hub, and rope guard during drydock.
Propeller manufacturing standards X38. Propellers, Stern Gear and Shaft Lines
ISO 484/1 and 484/2 governing tolerance classes S, I, II, and III.
Propeller Open Water X54. Naval Architecture Software and IACS Rules
Test data for an isolated propeller in uniform flow used in powering predictions.
Propeller Open Water Curve X78. Voyage Optimization and Vessel Performance Software
A characteristic curve relating propeller thrust, torque, and efficiency to advance ratio under open water test conditions.
Propeller pitch P X162. Naval Architecture, Stability, Resistance, and Structural Design
Theoretical axial advance per revolution of the helical blade reference surface.
Propeller pitch verification X38. Propellers, Stern Gear and Shaft Lines
On-blade measurement of pitch at multiple radii using a pitch-o-meter or CMM.
Propeller polishing X34. Decarbonization, Alternative Fuels and Carbon Pricing
Hull and propeller maintenance reducing roughness and fuel use.
Propeller Polishing Survey X43. Marine Surveying and Warranty Surveying
An inspection following underwater propeller polishing to confirm restoration of blade surface finish for fuel efficiency.
Propeller rake X38. Propellers, Stern Gear and Shaft Lines
Inclination of the blade reference line from the propeller plane.
Propeller shaft (tail shaft) X38. Propellers, Stern Gear and Shaft Lines
Outermost section of the shaft line carrying the propeller cone, supported by the stern-tube bearings.
Propeller singing X38. Propellers, Stern Gear and Shaft Lines
Resonant tonal noise from blade trailing-edge vortex shedding coinciding with a blade natural frequency.
Propeller skew X38. Propellers, Stern Gear and Shaft Lines
Circumferential offset of blade reference line in the direction of rotation.
Propeller tip vortex X38. Propellers, Stern Gear and Shaft Lines
Helical vortex shed from each blade tip, the seat of tip vortex cavitation.
Propeller weight X38. Propellers, Stern Gear and Shaft Lines
Mass of the propeller, relevant to shaft bending moment and stern-tube bearing load.
Proper Shipping Name X75. IMDG Code, Classes, Packing and Segregation
PSN, the technical name assigned to a UN entry in capital letters in column 2 of the Dangerous Goods List.
Proper Shipping Name (PSN) X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
The portion of the entry most accurately describing the goods in 3.1.2, written in capitals in some references and shown in column 2 of the DGL.
Property Salved X99. Marine Salvage Awards and SCOPIC
Vessel, cargo, freight, and bunkers brought into safety, forming the salved fund.
Prophylactic antibiotic X36. Shipboard Medical, Telemedicine and Seafarer Health
Single-dose antibiotic for specific exposures (e.g., post-rape kit, animal bite).
Propionic Acid X75. IMDG Code, Classes, Packing and Segregation
UN 1848, Class 8 corrosive liquid Packing Group III.
Propionyl Chloride X75. IMDG Code, Classes, Packing and Segregation
UN 1815, Class 3 with Class 8 subsidiary risk.
Proportional Reinsurance X4. Marine Insurance, P&I and Claims
reinsurance in which premium and losses are shared in fixed proportion, including quota share and surplus share.
Propulsion and Future Fuels Conference X119. Maritime Conferences, Trade Shows and Awards
Annual Hamburg event organized by Riviera Maritime Media.
Propulsion Control LAN X48. Maritime Cybersecurity
Network connecting propulsion control units, common gateway target for OT compromise.
Propulsion Health Monitor X109. Maritime Autonomous Surface Ships and MASS Code
An autonomy input that continuously checks engine and thruster health to inform speed and routing decisions.
Propulsion Machinery Deficiency X66. Port State Control and Regional MOUs
13000 series deficiency category.
Propulsion Performance Test X5. Marine Surveying and Inspection
Verification of speed and power on sea trials.
Propulsion Power Margin, Polar X52. Polar Code, Arctic and Antarctic Shipping
Additional propulsion power required under FSICR and Polar Class rules to overcome ice resistance.
Propulsion redundancy X56. LNG/LPG Carriers and IGC Code
Twin-engine, twin-shaft, or twin-power-train arrangement common on modern LNG carriers to maintain availability.
Propulsion redundancy (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations
Encouraged for higher categories; required for some PC1/PC2 operations.
Propulsion redundancy survey X7. Flag State, Port State Control and Detention Vocabulary
Statutory survey item commonly assessed under code 13 for ships with multiple engines.
Propulsion Train Vibration X54. Naval Architecture Software and IACS Rules
Torsional, axial, and whirling analysis required by IACS UR M68.
Propulsive coefficient PC X38. Propellers, Stern Gear and Shaft Lines
Ratio of effective horsepower to shaft horsepower, equal to eta_D times shaft transmission efficiency.
Propyl Acetate X75. IMDG Code, Classes, Packing and Segregation
UN 1276, Class 3 flammable liquid Packing Group II.
Propylene X1. Cargo Science, Commodities and Cargo Care
Gas cargo on ethylene/LPG carriers.
Propylene Compressed X75. IMDG Code, Classes, Packing and Segregation
UN 1077, Class 2.1.
Propylene Oxide X75. IMDG Code, Classes, Packing and Segregation
UN 1280, Class 3 flammable liquid Packing Group I.
Protect Function X48. Maritime Cybersecurity
NIST Cybersecurity Framework function focused on safeguards to ensure delivery of critical services.
Protected Areas of the Mediterranean (SPAMI) X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Network under the Barcelona Convention restricting certain activities near submarine cables and pipelines.
Protected Cell Company (PCC) X117. Marine Insurance Markets, Captives and Reinsurance
A captive structure used in Guernsey, Bermuda and other domiciles, with segregated cells for separate participants.
Protected Position X9. Cargo Securing, Lashing and Stability Vocabulary
Stowage location screened from green seas.
Protected Species Observer (PSO) D3. Marine environmental science, pollution and conservation
Person monitoring marine mammals during seismic or pile-driving operations.
Protection and Indemnity X108. Marine Insurance and P&I Clubs
Third party liability cover provided by mutual P&I clubs, distinct from first party hull and machinery insurance.
Protection and Indemnity (P&I) X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
Third-party liability cover for shipowners and charterers.
Protection and Indemnity Insurance X4. Marine Insurance, P&I and Claims
see P&I.
Protection Class IP X67. Marine Electrical Systems and Shore Power
Ingress protection rating to IEC 60529 used to specify marine enclosures, typically IP44 to IP67 depending on location.
Protective Agency X86. Port Agency, Husbandry and Disbursement
Owner's agent appointed alongside a charterer's agent to protect owner interests.
Protective Coating Inspection X109. Maritime Autonomous Surface Ships and MASS Code
A maintenance discipline relevant to long endurance USVs that operate without onboard intervention.
Proteksan-Turquoise X125. Superyacht Industry, Builders and Brokers
Predecessor name of Turquoise Yachts.
Protest X4. Marine Insurance, P&I and Claims
master's sworn statement of facts following a casualty, used in claims documentation.
Protest Note X115. Marine Bunker and Cargo Surveying
Brief written statement issued at the conclusion of a transfer to record reservations of rights without precluding subsequent claims.
Protocol A1. The IMO and the international regulatory framework
Instrument that modifies or supplements a convention, for example the 1978 and 1988 SOLAS Protocols.
Protocol Gateway X48. Maritime Cybersecurity
Device that translates between industrial protocols and IP networks, often a sensitive choke point.
Protocol I (MARPOL) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The MARPOL Protocol on Provisions Concerning Reports on Incidents Involving Harmful Substances.
Protocol II (MARPOL) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The MARPOL Protocol on Arbitration concerning disputes between Parties.
Protocol of 1978 A4. Other IMO and ILO conventions and codes
Supplemented SOLAS and added MARPOL Annex I/II framework.
Protocol of 1978 (MARPOL) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The 17 February 1978 Protocol modifying the 1973 Convention, making Annex II optional at entry into force and integrating the convention with the 1978 SOLAS Protocol.
Protocol of 1978 SOLAS X158. IMO Conventions, Protocols, Codes, and Resolutions
Adopted 17 February 1978 and entered into force 1 May 1981, introducing unscheduled inspections and steering gear improvements.
Protocol of 1988 (Load Lines) A4. Other IMO and ILO conventions and codes
Introduced the HSSC for load line certificates.
Protocol of 1997 (MARPOL) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The Protocol adding Annex VI on air pollution to MARPOL, in force from 19 May 2005.
Protocol of Delivery and Acceptance X29. Ship Sale and Purchase, Management Contracts and Valuation
Document recording handover time and place.
Protocol of Visby 1968 X51. Maritime Arbitration, Law and BIMCO Clauses
The Protocol amending the Hague Rules to produce the Hague-Visby Rules.
Protractor X16. Nautical Science, Navigation and COLREGs
Instrument for measuring angles on a chart.
Provaris Energy H2Neo X140. Ammonia as Marine Fuel and Hydrogen Shipping
Compressed hydrogen carrier of 26,000 m3 designed for inter-Pacific trade.
Provence X106. Naval Surface Combatants
French Navy FREMM frigate D652, commissioned 2015.
Providence (Sloop) X128. Sail Training Ships and Tall Ship Associations
1976 American 12 gun sloop replica of John Paul Jones's first command, 33 m sparred length, operated as a tall ship at Newport Rhode Island.
Provision Refrigeration X63. Marine Auxiliary Machinery and Pumps
Onboard refrigeration plant for fresh, chilled, and frozen provisions in galley stores.
Provision Stores X15. Ports, Terminals and Stevedoring
ship chandling service often coordinated at the port.
Provisional Certificate of Class X8. IACS, Class Rules and Class Notations
short-validity class certificate issued at delivery pending issue of the full certificate.
Provisional Detention X66. Port State Control and Regional MOUs
Detention pending verification by senior officer or specialist.
Provisional Inventory of Hazardous Materials X50. Ship Recycling, Demolition and Hong Kong Convention
The interim inventory prepared during the IHM development project before final classification.
Provisional Measures A6. Public international law of the sea
Interim measures under UNCLOS Article 290.
Provisional Premium X4. Marine Insurance, P&I and Claims
see Deposit Premium.
Provisional Specified Person X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
An OFSI listing pending full evidence assembly, used to act swiftly on emerging dark-fleet operators.
Provisional TAC X87. Fishing Vessels and Fisheries Management
Interim total allowable catch set pending completion of stock assessment.
Provisioning Cycle X120. Marine Catering, Provisions and Ship Chandlers
Typical 14 to 21 day fresh stores cycle, 60 to 90 day frozen cycle, on deep-sea trading.
Provisions Delivery X86. Port Agency, Husbandry and Disbursement
Delivery of food and consumable stores arranged by the agent.
Proximate Cause X53. Marine Insurance, P&I and Hull Clauses
The dominant or efficient cause of loss for the purpose of determining whether a loss falls within insured perils, codified at Section 55 of the Marine Insurance Act 1906.
Proximity switch X19. Engine Room Watchkeeping and UMS Operations
Inductive sensor used on shaft speed and valve position feedback.
ProxyLogon X25. Maritime Cybersecurity, OT and IT
See CVE-2021-26855.
ProxyShell X25. Maritime Cybersecurity, OT and IT
See CVE-2021-34473.
PRR X33. Inland Navigation and Barge Operations
Pre-Arrival Reporting under RIS.
PRS X7. Flag State, Port State Control and Detention Vocabulary
Polski Rejestr Statkow, Polish Register of Shipping, IACS member.
PRS (Polski Rejestr Statkow) rules X38. Propellers, Stern Gear and Shaft Lines
Polish classification society rules covering shafting and propellers.
Prudent mariner X3. Ship Handling, Seamanship and Deck Vocabulary
Standard of care expected of a competent seaman.
Pruftechnik Vibxpert X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
Pruftechnik route-based vibration analyser used for medium-speed engine and pump trend monitoring.
Prysmian X42. Offshore Wind Installation and Cable Lay
Italian submarine cable manufacturer with plants in Pikkala, Arco Felice, Charleston, and Brayton Point.
Prysmian Cable Enterprise X122. Submarine Cable Laying, Repair Vessels and Operators
133 m cable installation vessel built 1976 (rebuilt 2005), 7,000 t carousel.
Prysmian Cable Tugs X137. Harbour Tugs, Towage Operators and Tug Builders
Specialist tugs supporting cable lay vessels, sometimes provided by harbour operators.
Prysmian Group X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Italian cable manufacturer producing HVDC, HVAC, and umbilical systems, with installation vessels including Leonardo da Vinci and Prysmian Cable Enterprise.
Prysmian Leonardo da Vinci X122. Submarine Cable Laying, Repair Vessels and Operators
171 m DP3 cable laying vessel built 2021 at VARD Brattvaag, with 17,000 t cable carousel for HVDC export cable.
PSA X14. Offshore Oil and Gas Marine Operations
Petroleum Safety Authority Norway.
PSA (Port of Singapore Authority) International X46. Container Terminal Operations
The Singapore-headquartered global terminal operator with flagship terminals at PSA Singapore Tuas and equity stakes worldwide.
PSA Annual Conference X119. Maritime Conferences, Trade Shows and Awards
Port of Singapore Authority partner event during Singapore Maritime Week.
PSA International X15. Ports, Terminals and Stevedoring
Singapore-based terminal operator with global facilities.
PSA Marine X30. Tug Operations and Harbour Towage
Singapore-based subsidiary of PSA International providing harbor towage and pilotage.
PSA Nitrogen Generator X93. IBC Code and Chemical Tanker Operations
Pressure Swing Adsorption nitrogen plant producing inert gas by adsorbing oxygen on molecular sieve beds.
PSA Singapore X76. Stevedoring, Lashing and Cargo Securing
Terminal operator of the Port of Singapore container terminals and a global terminal owner.
PSA Singapore Bunker Slot Coordination X72. Bunkering Hubs and Bunker Suppliers
Bunker barge slot coordination at PSA terminals managed in conjunction with MPA.