ShipCalculators.com

Glossary

Maritime glossary, terms beginning with P (page 2)

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

Showing 250 of 2685 terms (page 2 of 11).

Panamax C1. Commercial shipping, chartering, economics and finance
Dry bulk or container vessel sized for the original Panama Canal locks.
Panamax bulker B5. Ship Types and Individual Vessels
60,000-80,000 DWT bulker.
Panamax container ship B5. Ship Types and Individual Vessels
Up to 5,100 TEU pre-2016.
Panamax STS X169. Container Terminal Cranes, Yard Equipment, and Lashing
Ship-to-shore crane sized for vessels of original Panama Canal lock dimensions, with outreach to serve up to 13 rows on deck.
Panamax STS Crane X46. Container Terminal Operations
A ship-to-shore crane sized to work vessels within the original Panama Canal lock dimensions, with outreach typically 13 rows.
Panasia GloEn-Patrol X18. Ballast Water, Biofouling and Antifouling
Filtration plus UV BWMS by Panasia Korea.
Pancake Connector X14. Offshore Oil and Gas Marine Operations
Subsea horizontal hub connector type.
Pancake Ice D5. Coastal processes, sea-level, cryosphere and ocean observation science
Round pieces of sea ice formed in turbulent water.
Pandemic Influenza Plan X41. Cruise Ship Public Health and VSP/USPH
Ship-specific plan complementing the OPRP for respiratory disease events.
Pandi Transport X145. P&I Clubs, War Risk Insurers, and Marine Insurance Markets
Russian P&I correspondent network.
Panel Arbitrators (SMA) X51. Maritime Arbitration, Law and BIMCO Clauses
The list of full members of the Society of Maritime Arbitrators eligible for SMA appointments.
Panel Broker X17. Chartering, Shipbroking and Freight Trading
Member of a named owner's or charterer's broker panel with privileged access to its business.
Panel Code X54. Naval Architecture Software and IACS Rules
Boundary element hydrodynamic solver such as WAMIT, WADAM, or HydroSTAR.
Panel Mesh X54. Naval Architecture Software and IACS Rules
Surface mesh used in boundary element seakeeping codes such as WADAM and AQWA.
Panel method B1. Naval Architecture
Discretization of body surface with sources/dipoles for potential flow.
Panel Submission X44. Shipping Indices, FFAs and Freight Markets
Daily rate opinion provided by a panellist for each route on which they are listed, subject to compliance review.
Panellist X161. Shipbroking, Freight Derivatives, and Baltic Indices
Independent shipbroker firm appointed by the Baltic Exchange to submit daily rate assessments for index calculation.
Pangasius (P. hypophthalmus) X131. Commercial Fisheries, Trawler Fleets and Seafood Processors
Vietnamese striped catfish farmed in Mekong Delta ponds.
Pangborn X88. Marine Surface Preparation and Coatings Application
US manufacturer of centrifugal wheel blast machines for shop preparation of steel plate and structurals.
Panmax (river-sea) X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
River-sea vessels are not Panmax; the term is reserved for ocean-going lock-fit ships. A separate "Volga-Don-max" exists for vessels limited by the Volga-Don Canal.
Pannone Corporate X114. Maritime Arbitration and Shipping Law Firms
Manchester firm with a marine cargo practice.
Pantheon Tankers X56. LNG/LPG Carriers and IGC Code
Greek tanker owner with interests in LPG and gas shipping.
Pantry Stores X120. Marine Catering, Provisions and Ship Chandlers
Sub-stock of fast-moving items kept in officer and crew pantries between full provisioning runs.
PANYNJ X124. Dredging Industry and Reclamation Contractors
Port Authority of New York and New Jersey, the harbor deepening commissioning body for the 50 ft programme.
PAO X61. Marine Lubricants and Cylinder Oils
Polyalphaolefin, a Group IV synthetic base stock with high viscosity index and low pour point.
PAO synthetic oil B2. Marine Engineering
Polyalphaolefin base lube oil.
PAP 104 X77. Naval Mine Warfare and Mine Countermeasures
The Poisson Auto-Propulse 104, a French mine identification and disposal vehicle widely fielded with Tripartite-class minehunters in Mk 4, Mk 5, and Mk 6 variants.
Papa Flag F5. The Reference Layer: Glossary, Units, Signals and Information Sources
International Code of Signals letter P, the Blue Peter, meaning "All persons should report on board; vessel is about to proceed to sea" in harbor.
Papahanaumokuakea PSSA X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The Particularly Sensitive Sea Area designated by IMO Resolution MEPC.171(57) in 2008 covering the Northwestern Hawaiian Islands.
Papaya reefer carriage X70. Reefer Containers and Cold Chain Shipping
Tropical fruit carried at approximately plus seven to plus 10 degrees Celsius with modified atmosphere to delay ripening.
Papenburg X58. Shipbuilding Yards and Construction
City on the Ems River and site of Meyer Werft.
Paper Bag X75. IMDG Code, Classes, Packing and Segregation
Packaging code 5M1 multi wall and 5M2 multi wall water resistant.
Paper Chart X73. Marine Hydrography, Charting and ENC
A printed nautical chart; remains permissible under SOLAS V as backup or with appropriate carriage exemption.
Paper Chart Service (PCS) X129. Hydrographic Offices, Survey Vessels and Marine Cartography
UKHO programme distributing weekly Notices to Mariners updates for paper ADMIRALTY charts.
Paper Plates (Disposable) X120. Marine Catering, Provisions and Ship Chandlers
IMPA 174211 lifeboat ration accessory, also general galley stock.
Paper Reels X1. Cargo Science, Commodities and Cargo Care
Forest product carried on end or flat; sensitive to moisture and shock.
Paper Sack X75. IMDG Code, Classes, Packing and Segregation
Synonym for paper bag, used in some IMDG packaging entries.
Paper trade C1. Commercial shipping, chartering, economics and finance
Trading FFAs or other freight derivatives.
Papua New Guinea PSC X66. Port State Control and Regional MOUs
Tokyo MOU member.
PAR X15. Ports, Terminals and Stevedoring
Pre-Arrival Report submitted to port control.
Parabolic Antenna X68. Maritime Satcom and Telecommunications
Reflector antenna shape used by most stabilized maritime VSAT systems.
Parabolic wedge waterline B1. Naval Architecture
Wigley hull form used as analytical benchmark.
Paracas PSSA X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
The Particularly Sensitive Sea Area in Peruvian waters designated by IMO in 2003.
Paracetamol X36. Shipboard Medical, Telemedicine and Seafarer Health
Acetaminophen oral analgesic and antipyretic in all categories.
Paradip Pilots X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Pilotage cadre of the Paradip Port Authority on India's east coast serving coal, iron-ore, and crude oil terminals.
Paradise Bay X97. Polar Expedition Cruise and IAATO Operations
Antarctic Peninsula bay surrounded by ice cliffs, with the Argentine Brown Station nearby.
Paraffinic crude X47. Marine Fuel Quality and ISO 8217
Crude oil rich in saturated chain hydrocarbons producing distillates with high cetane and low aromaticity.
Paraformaldehyde X75. IMDG Code, Classes, Packing and Segregation
UN 2213, Class 4.1 flammable solid.
Paragon Pump X63. Marine Auxiliary Machinery and Pumps
US manufacturer historically supplying marine cargo and engine room pumps.
Paragraph 11 RFMO Listing X87. Fishing Vessels and Fisheries Management
IUU listing process under several RFMOs by which vessels are entered on the IUU list after due process.
Parallax (celestial) X16. Nautical Science, Navigation and COLREGs
Angular difference between observation from Earth's surface and Earth's center.
Parallel Fleet X151. Maritime Sanctions, Dark Fleet, and Price Cap Regimes
Another synonym for dark or shadow fleet, common in EU policy texts.
Parallel Index F5. The Reference Layer: Glossary, Units, Signals and Information Sources
Radar collision-avoidance technique.
Parallel index (PI) B3. Nautical Science
Radar parallel-indexing technique.
Parallel investigation X163. Marine Accident Investigation Agencies and Landmark Inquiries
Investigation conducted independently and in parallel by more than one substantially interested State where joint investigation is not adopted.
Parallel midbody X58. Shipbuilding Yards and Construction
Central section of the hull with constant cross section.
Parallel middle body X162. Naval Architecture, Stability, Resistance, and Structural Design
Section of the hull, typically amidships, where cross-sectional shape is constant along the length.
Parallel Motion Fender (PMF) X173. Mooring, Anchoring, OCIMF MEG4, and Equipment Numeral
Fender system whose front face moves in a parallel motion as the ship contacts it, distributing reaction evenly along the hull.
Parallel of latitude B3. Nautical Science
Small circle parallel to the equator.
Parallel operation X19. Engine Room Watchkeeping and UMS Operations
Two or more generators sharing load, controlled by sync check relay.
Parallel operation switchboard B2. Marine Engineering
Switchboard with synchronization equipment.
Parallel registration X7. Flag State, Port State Control and Detention Vocabulary
General term for bareboat charter registration in two registers concurrently.
Parallel ruler X16. Nautical Science, Navigation and COLREGs
Drafting instrument for transferring parallel lines on a chart.
Parallel rulers B3. Nautical Science
Bridge plotting instrument.
Parallel Sailing X78. Voyage Optimization and Vessel Performance Software
A coastal navigation technique in which the ship maintains a constant latitude, with east west distance computed from departure formulas.
Paralympic Sailing F4. Recreational Boating, Yachting and Sport
Sailing was a Paralympic sport in 1996 to 2016.
Paramagnetic O2 Analyzer X82. Saturation Diving and Offshore Diving Operations
Servomex-style sensor exploiting oxygen's magnetic susceptibility.
Paramedic-trained officer X36. Shipboard Medical, Telemedicine and Seafarer Health
Some offshore-support vessels carry a dedicated paramedic in addition to STCW-trained crew.
Parameter Check X69. EGCS Scrubbers, SCR and Marine Air Emissions
Daily verification of engine operating parameters under Scheme A EGCS compliance.
Parametric Design X54. Naval Architecture Software and IACS Rules
Approach using rule-based geometry in CAESES, Rhinoceros Grasshopper, and NAPA macros.
Parametric roll B1. Naval Architecture
Resonant roll growth in head/following seas due to GM variation.
Parametric rolling X76. Stevedoring, Lashing and Cargo Securing
Resonant roll motion in head or following seas that can produce roll angles well beyond design assumptions and trigger lashing failures.
Paramount Clause X17. Chartering, Shipbroking and Freight Trading
Incorporates the Hague or Hague-Visby Rules into the charter or bill of lading.
Paranagua X124. Dredging Industry and Reclamation Contractors
Brazilian port maintenance contract held by Van Oord.
Paravane X77. Naval Mine Warfare and Mine Countermeasures
A towed underwater body that holds a sweep wire away from the ship and cuts moored mine cables, used in mechanical sweeping.
Paraxylene (PX) X135. Chemical Tanker Operators and IBC Code Cargoes
Category Y aromatic (C8H10) precursor to PTA and PET, moved in 5,000 to 35,000 mt parcels from Middle East Gulf and Korea to China.
Parbuckle X3. Ship Handling, Seamanship and Deck Vocabulary
Hoist a cylindrical object by rolling it on doubled ropes.
Parbuckling X13. Marine Salvage and Wreck Removal
Rotational righting of a capsized vessel as performed on Costa Concordia 2013.
Parbuckling Project X167. Major Salvage Companies, Wreck Removals, and Equipment
Formal name of the consortium project to right the Costa Concordia in September 2013.
Parbuckling Strand Jack X60. Marine Salvage and Wreck Removal
Hydraulic jack used to apply incremental pull during parbuckling operations.
Parcel X3. Ship Handling, Seamanship and Deck Vocabulary
Wind tarred canvas strips around a rope before serving.
Parcel tanker C1. Commercial shipping, chartering, economics and finance
Chemical tanker with many segregated tanks.
Pareto front (marine design) X57. Ocean Energy Beyond Wind
Trade-off curve used in multi-objective optimization of tidal turbine and wave device designs.
Pareto Risk Profile (Sanctions) E1. Maritime security, geopolitics and risk
Concentration of risk in small share of voyages.
Pareto Securities X44. Shipping Indices, FFAs and Freight Markets
Financial services group whose shipping desk participates in equity, debt, and derivatives broking around freight markets.
Pareto Securities Shipbroking X71. Shipbrokers and Brokerage Firms
Norwegian shipbroking arm of Pareto Securities active in chartering and S&P.
Pari Passu X49. Ship Finance, Leasing and Maritime Capital Markets
Equal ranking among creditors of the same class.
Pari Passu Clause X117. Marine Insurance Markets, Captives and Reinsurance
A reinsurance clause aligning timing and basis of payment with the underlying.
Paris 2024 X84. Yacht Racing, Regattas and Sailing Governance
The 2024 Olympic Games, whose sailing events were held in Marseille and contested in ten classes.
Paris Agreement D6. Decarbonization, emissions and alternative fuels
2015 UNFCCC agreement to limit warming well below 2 degrees Celsius.
Paris Court of Appeal X114. Maritime Arbitration and Shipping Law Firms
French Cour d'Appel handling annulment applications under Article 1520 of the French Code of Civil Procedure.
Paris MoU A7. Compliance, certification and enforcement
Paris Memorandum of Understanding on Port State Control, 1982.
Paris MoU 1982 X143. Landmark Maritime Law Cases and Doctrines
Paris Memorandum of Understanding on Port State Control, adopted 26 January 1982.
Paris MOU Committee X66. Port State Control and Regional MOUs
Annual policy-making body of the Paris MOU.
Paris MOU Inspection X5. Marine Surveying and Inspection
Port State Control inspection under the Paris MOU regime.
Paris MOU Member States (28) X66. Port State Control and Regional MOUs
Belgium, Bulgaria, Canada, Croatia, Cyprus, Denmark, Estonia, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Latvia, Lithuania, Malta, Netherlands, Norway, Poland, Portugal, Romania…
Paris MOU Performance List X98. Ship Registries and Flag States
Annual ranking of flag states under the Paris MOU, divided into White, Grey, and Black lists.
Paris MOU Secretariat X66. Port State Control and Regional MOUs
Administrative office located in The Hague, Netherlands.
Park availability X59. Offshore Wind O&M, CTVs and SOVs
Aggregated availability metric across all turbines in a wind farm.
Park capacity factor X59. Offshore Wind O&M, CTVs and SOVs
Capacity factor calculated for the wind farm as a whole rather than an individual turbine.
Park control system X59. Offshore Wind O&M, CTVs and SOVs
Supervisory controller dispatching set points and curtailment commands across all turbines in a wind farm.
Parker Drift Model X80. Maritime Search and Rescue Coordination
One of several leeway models used in datum computation.
Parkwind X42. Offshore Wind Installation and Cable Lay
Belgian offshore wind developer, since 2023 part of JERA Nex.
Parrel X3. Ship Handling, Seamanship and Deck Vocabulary
Rope or band holding a yard to its mast.
Parrotfish X10. Marine Biology, Fisheries and Oceanography
Reef herbivore of the family Scaridae that erodes carbonate substrate.
Parry, William Edward X39. Pre-1900 Maritime History
Royal Navy officer who led four Arctic expeditions between 1819 and 1827.
Part I Hazardous Materials Table A X50. Ship Recycling, Demolition and Hong Kong Convention
The HKC schedule of materials prohibited or restricted for installation, including asbestos, PCBs, ODS, AFS, and PFOS.
Part I Hazardous Materials Table B X50. Ship Recycling, Demolition and Hong Kong Convention
The HKC schedule of additional materials to be inventoried, covering cadmium, hexavalent chromium, lead, mercury, brominated flame retardants, radioactive substances, and others.
Part Task Bridge Simulator X55. Marine Simulators, Training and Maritime Academies
Limited field-of-view simulator used for radar, ECDIS, or maneuvering exercises, often DNV Class B or C.
Part XII UNCLOS A6. Public international law of the sea
Protection and preservation of the marine environment.
Partial Award X51. Maritime Arbitration, Law and BIMCO Clauses
An award resolving some but not all issues in the reference.
Partial Charter X17. Chartering, Shipbroking and Freight Trading
Charter of part of the vessel's cargo space.
Partial Discharge X63. Marine Auxiliary Machinery and Pumps
Separator cleaning mode in which sludge is ejected without losing all bowl contents.
Partial Management X29. Ship Sale and Purchase, Management Contracts and Valuation
SHIPMAN scope limited to selected services, e.g. crew only.
Partial Pressure X82. Saturation Diving and Offshore Diving Operations
Pressure exerted by one component of a gas mixture.
Partial Pressure of CO2 (pCO2) D1. Physical and chemical oceanography and marine meteorology
Pressure that CO2 in seawater would exert in equilibrium with the gas phase.
Partial PTI X26. Reefer Containers and Cold Chain Logistics
Reduced PTI subset performed on time-pressed turnarounds.
Partial Reliquefaction X20. LNG Operations and Custody Transfer
LNG reliquefaction unit handling part of BOG, balance burned in engines; common on MEGI carriers.
Partially enclosed lifeboat X24. Cruise, Passenger Ship and Ferry Operations
SOLAS III lifeboat type commonly fitted on passenger ships.
Participation in another State's investigation X163. Marine Accident Investigation Agencies and Landmark Inquiries
Right under the Casualty Investigation Code for substantially interested States to participate in the marine safety investigation led by another State to the extent practicable.
Particle Count X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
Lube oil cleanliness measurement per ISO 4406 reporting particles greater than 4, 6, and 14 micrometres per millilitre.
Particle Tracking X126. Marine Oil Spill Response and OPRC Regimes
Lagrangian numerical method underpinning GNOME, OpenDrift, and SIMAP.
Particular Average A5. Maritime Law, private and commercial
Partial loss falling on the owner of the property lost or damaged.
Particular Average (PA) X4. Marine Insurance, P&I and Claims
partial loss caused by an insured peril fortuitously suffered by a particular interest.
Particular Average Survey X5. Marine Surveying and Inspection
Underwriter survey for partial loss of insured property.
Particular Charges X4. Marine Insurance, P&I and Claims
expenses incurred by or for the assured for the safety or preservation of the subject matter, other than GA or salvage.
Particularly Sensitive Sea Area C2. Ship operations, crewing and technical management
PSSA designated by IMO.
Particularly Sensitive Sea Area (PSSA) X18. Ballast Water, Biofouling and Antifouling
Area designated by IMO needing special protection due to ecological, socio-economic, or scientific significance.
Particulars of Loss X4. Marine Insurance, P&I and Claims
detailed account of how a loss occurred, required for the formal claim.
Particulate Filter X75. IMDG Code, Classes, Packing and Segregation
Component of respiratory protection used during dangerous goods incidents, referenced in EmS.
Particulate matter (PM) X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Solids emitted in exhaust, influenced by fuel ash and residue.
Particulate Organic Carbon (POC) D3. Marine environmental science, pollution and conservation
Suspended organic carbon in seawater.
Particulate Sediment X115. Marine Bunker and Cargo Surveying
Solid material suspended in residual fuel oil determined by total sediment tests under ISO 10307.
PARTIN X6. Container, Intermodal and Trade Codes
Party Information Message, EDIFACT message exchanging master data on trading partners.
Partner Re X117. Marine Insurance Markets, Captives and Reinsurance
A Bermuda-based reinsurer with a marine portfolio, owned by Covea.
Party autonomy X152. Maritime Arbitration and Dispute Resolution
Foundational principle of arbitration allowing parties to design their own procedure within mandatory norms of the lex arbitri.
Party-appointed arbitrator X152. Maritime Arbitration and Dispute Resolution
Arbitrator nominated by one party in a three-member tribunal, subject to duties of independence and impartiality equal to the chair.
PAS Agency X86. Port Agency, Husbandry and Disbursement
Philippine Agencies Services, a Filipino agency brand.
Pascagoula X58. Shipbuilding Yards and Construction
Site of Ingalls Shipbuilding in Mississippi.
Pascagoula Yard X113. Drydock and Ship Repair Yards
Reference to Mississippi shipbuilding cluster including former VT Halter Marine and Ingalls Shipbuilding.
Pascal X82. Saturation Diving and Offshore Diving Operations
SI unit of pressure, 1 N/m squared.
Pasha Bulker, MV X167. Major Salvage Companies, Wreck Removals, and Equipment
Panama flag Panamax bulk carrier that beached at Nobbys Beach, Newcastle, Australia on 8 June 2007 and was refloated by Svitzer on 2 July 2007.
Pasha Hawaii X164. Cruise Industry, Brands, Ship Classes, and Terminals
A US flag Jones Act compliant operator; sometimes confused with Pride of America operated by NCL.
Pass X73. Marine Hydrography, Charting and ENC
A swath or line of soundings collected by a survey vessel.
PASS (Pilot Advisor Simulation Software) X144. Bridge Simulators, Engine Room Simulators, and Maritime Training Equipment
HR Wallingford pilot decision-support simulator.
Pass-Through X103. US Inland Waterway Towing and Barge
The completion of a single lockage from upstream approach to downstream departure or the reverse.
Passage plan C2. Ship operations, crewing and technical management
Berth to berth voyage plan under SOLAS Chapter V.
Passage plan (Berth-to-Berth) B3. Nautical Science
Appraisal-Planning-Execution-Monitoring per A.893(21).
Passage Plan Auto-Update E3. Technology, digitalization and smart shipping
Software-driven dynamic re-routing.
Passenger Briefing X31. Helicopter Operations on Ships
Mandatory safety brief before helicopter boarding covering emergency equipment.
Passenger Claims X108. Marine Insurance and P&I Clubs
P&I claims arising from death, injury, or luggage loss to passengers, subject to Athens Convention 2002 limits.
Passenger Illness Survey X41. Cruise Ship Public Health and VSP/USPH
Brief questionnaire administered by medical staff during a GI outbreak to capture symptom data.
Passenger Liabilities X53. Marine Insurance, P&I and Hull Clauses
P&I cover responding to liabilities to passengers for death, injury, and property loss, subject to specific limits including those for cruise risks.
Passenger Liability X4. Marine Insurance, P&I and Claims
P&I cover for liabilities to passengers, with blue cards under Athens 2002.
Passenger Liability Regulation (EU 392/2009) X51. Maritime Arbitration, Law and BIMCO Clauses
The EU regulation giving effect to the Athens Convention 2002 within the European Union.
Passenger ship X24. Cruise, Passenger Ship and Ferry Operations
SOLAS-defined ship carrying more than 12 passengers.
Passenger ship (Polar Code) X27. Polar Code, Ice Navigation and Polar Operations
Passenger ship requirements addressed throughout Polar Code; evacuation in polar conditions emphasized.
Passenger ship (SOLAS) B5. Ship Types and Individual Vessels
Vessel carrying >12 passengers per SOLAS.
Passenger Ship Familiarization X160. Maritime Academies, Universities, and STCW Certification
STCW A-V/2 paragraph 1 module required for all personnel serving on passenger ships in roles directly engaging with passengers.
Passenger Ship Information Forum (PSIF) X119. Maritime Conferences, Trade Shows and Awards
Annual passenger shipping conference held by Schiffahrts-Verlag Hansa.
Passenger Ship Safety Certificate (PSSC) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
Issued under SOLAS I/12(a)(i) following initial or renewal survey, valid for not more than 12 months.
Passenger Ship Safety Certificate Survey X5. Marine Surveying and Inspection
SOLAS survey for passenger vessels.
Passenger Ship Training X21. STCW Certificates, Crewing and Seafarer Welfare
STCW Regulation V/2 covering crowd management, crisis management, and passenger safety.
Passenger space ratio X64. Cruise Industry Operators, Brands and Ships
Gross tonnage divided by passenger capacity, a measure of onboard spaciousness.
Passenger Vessel Catering X120. Marine Catering, Provisions and Ship Chandlers
Subject to additional flag state standards above MLC 3.2, often aligned with national restaurant code.
Passenger Vessel Survey X43. Marine Surveying and Warranty Surveying
A statutory and class inspection of passenger ships addressing SOLAS Chapter II-1, II-2, III, and the Special Trade Passenger Ships Agreement.
Passenger Yacht Code X125. Superyacht Industry, Builders and Brokers
PYC, the Lloyd's Register and Red Ensign Group rule set permitting yachts to carry up to 36 passengers.
Passenger Yacht Code (PYC) X35. Yacht and Superyacht Industry
International code for yachts carrying 13 to 36 passengers, first issued 2010 and subsequently amended.
Passing Bunker Survey X5. Marine Surveying and Inspection
Bunker survey conducted while vessel is not at owners' berth.
Passing Distance X127. Maritime Security, Anti-Piracy and PMSCs
BMP5 recommendation to maintain at least 8 nautical miles from Somali coast in transit; greater off Yemen.
Passivation X45. Marine Paints, Coatings and Antifouling
Chemical or electrochemical treatment that renders a metal surface less reactive.
Passive coating X45. Marine Paints, Coatings and Antifouling
Coating relying on physical barrier rather than biocide release.
Passive countermeasure X12. Maritime Casualties and Investigation
Design feature, like a double hull, that mitigates casualty consequence.
Passive Film X100. Marine Cathodic Protection and Anodes
The thin protective oxide on alloys such as stainless steel or titanium that lowers their corrosion rate and shifts their potential noble.
Passive Gear X87. Fishing Vessels and Fisheries Management
Stationary or drifting gear that catches by encounter, including gillnets, longlines, pots, and traps.
Passive Heave Compensation X14. Offshore Oil and Gas Marine Operations
Gas-spring or counterweight heave compensation without active control.
Passive Lashing X9. Cargo Securing, Lashing and Stability Vocabulary
Lashing engaging only after cargo begins to move.
Passive Margin D2. Hydrography, tides, waves, bathymetry and marine geology
Continental margin not coinciding with a plate boundary.
Passive Measures X22. Piracy, Maritime Security and Armed Protection
BMP defences not requiring crew action once installed, such as razor wire and grilles.
Passive Salvage X13. Marine Salvage and Wreck Removal
Standing by a casualty without active intervention pending instructions.
Passive Sonar X91. Submarines and Submarine Cable Systems
Sonar mode that listens for self-generated noise from targets without transmitting.
Passive Ventilation X1. Cargo Science, Commodities and Cargo Care
Natural air movement through cowls and pipes.
Passport Endorsement Coordination X86. Port Agency, Husbandry and Disbursement
Coordination of seafarer passport endorsements at ports.
Pasta (Dry) X120. Marine Catering, Provisions and Ship Chandlers
IMPA 550712 spaghetti, 500 g pack, common Italian-origin chandler stock.
Pasta plate X42. Offshore Wind Installation and Cable Lay
Reference flange detail nickname; included for context.
Pasteurization BWMS X18. Ballast Water, Biofouling and Antifouling
Thermal inactivation approach, used by Bawat among others.
Pastoral Care at Sea X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Cross-faith term used in welfare reports for spiritual support delivered by mission chaplains.
Pastrovich Studio X35. Yacht and Superyacht Industry
Monaco-based yacht-design studio led by Stefano Pastrovich.
PAT Analysis X54. Naval Architecture Software and IACS Rules
Permissible Area of Trade analysis tied to class notations restricting operating area.
Patagonian toothfish X10. Marine Biology, Fisheries and Oceanography
*Dissostichus eleginoides*, Southern Ocean fishery species sold as Chilean sea bass.
Patch and Pump X60. Marine Salvage and Wreck Removal
Standard refloating procedure combining hull patching with high volume dewatering.
Patch Management E1. Maritime security, geopolitics and risk
Cyber-control practice for shipboard systems.
Patch Plate X13. Marine Salvage and Wreck Removal
Pre-fabricated steel sheet bolted or welded over hull damage.
Patch test X45. Marine Paints, Coatings and Antifouling
Trial application of a coating to confirm adhesion and behavior before full-scale work.
Patch Tuesday X25. Maritime Cybersecurity, OT and IT
Microsoft's monthly security update release on the second Tuesday.
Patent Slip X113. Drydock and Ship Repair Yards
Historic term for a marine railway haulout system for smaller vessels.
Patent twistlock X76. Stevedoring, Lashing and Cargo Securing
Twistlock design protected by patent, often refined incrementally by makers such as MacGregor SeaLink and German Lashing.
PATFORSWA X130. National Coast Guards and Cutter Fleets
Patrol Forces Southwest Asia, USCG forward-deployed task force in Manama, Bahrain, six Sentinel-class FRCs.
Path Plan Heavy Move X104. Project Cargo Forwarders and Heavy Transport
Detailed path drawing for an SPMT trail through a fabrication yard or jetty.
Path Planning A Star X109. Maritime Autonomous Surface Ships and MASS Code
The A* search algorithm widely used for global route planning in marine autonomy.
PathFinder (Furuno) X78. Voyage Optimization and Vessel Performance Software
A weather routing solution from Furuno providing route recommendations and voyage performance support on the bridge.
PathFinder ST X89. ECDIS and Bridge Equipment Makers
Raytheon Anschutz X band and S band radar in the SYNAPSIS NX bridge.
Pathogen Reduction X41. Cruise Ship Public Health and VSP/USPH
Process such as pasteurization or cooking that reduces microbial load to safe levels.
Pathway certification X34. Decarbonization, Alternative Fuels and Carbon Pricing
ISCC EU or REDcert process verifying that a fuel meets sustainability criteria.
Patiala X124. Dredging Industry and Reclamation Contractors
Indian inland reservoir dredging by NMDC.
Patras X85. Ferries, Ro-Pax Operators and Routes
Greek Peloponnesian port hosting Adriatic ro-pax services to Italian ports.
Patrick Knowles Designs X35. Yacht and Superyacht Industry
US yacht interior design studio in Fort Lauderdale.
Patrick O'Brian F2. Maritime Culture, Heritage, Archaeology, Art and Museums
Author of the Aubrey-Maturin novels.
Patrick Terminals X138. Global Container Terminal Operators and Port Equipment
Australian box operator at Port Botany, Brisbane Fisherman Islands, Fremantle and East Swanson Melbourne, owned by Qube and Brookfield.
Patriot State X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Reference to the Massachusetts Maritime Academy training ship occasionally used for pilot familiarization, distinct from a working pilot vessel.
Patrol Boat (PB) E2. Naval, defence and maritime law enforcement
Small constabulary craft for coastal duties.
Patrol Combatant Missile (PCM) E2. Naval, defence and maritime law enforcement
Small missile craft (e.g., Cyclone class derivatives).
Pauk class X11. Naval Vessels, Warship Systems and Naval Architecture
Soviet/Russian Project 1241P ASW corvette.
Pavement design for terminals C4. Ports, terminals and coastal/marine civil engineering
Per PIANC WG165 and BS 7533 family.
Pavilion Energy X72. Bunkering Hubs and Bunker Suppliers
Singapore LNG trading company since 2014 active in LNG bunker supply and shareholder in Pavilion Bunker pilots before the 2024 Shell acquisition.
Pawl X3. Ship Handling, Seamanship and Deck Vocabulary
Hinged catch engaging a notched wheel to prevent reverse movement.
Pax/GT X164. Cruise Industry, Brands, Ship Classes, and Terminals
An informal cruise industry ratio of passengers per gross ton, with lower values indicating greater perceived spaciousness.
PaxOcean X137. Harbour Tugs, Towage Operators and Tug Builders
Singapore yard, part of Kuok Group, building harbour and offshore tugs.
Pay in Kind Note X49. Ship Finance, Leasing and Maritime Capital Markets
Note paying interest in additional notes rather than cash, used selectively in restructurings.
Pay off X3. Ship Handling, Seamanship and Deck Vocabulary
Discharge a crew; ship's head falling off from the wind.
Pay or play clause C1. Commercial shipping, chartering, economics and finance
COA clause requiring nomination of vessels or payment of deadfreight.
Pay When Paid Clause X51. Maritime Arbitration, Law and BIMCO Clauses
A subcontract provision making payment to the subcontractor contingent on receipt from the principal, of limited effect under English law.
Pay-As-You-Go X68. Maritime Satcom and Telecommunications
Prepaid tariff model used for some satellite services such as IsatPhone airtime.
Pay-Per-Megabyte X68. Maritime Satcom and Telecommunications
Tariff model in which customers pay per unit of data transferred.
Pay-to-be-Paid Rule X4. Marine Insurance, P&I and Claims
P&I principle requiring the member to have paid the third party before the club indemnifies, upheld in The Fanti and The Padre Island.
Payload X48. Maritime Cybersecurity
Component of an attack that performs the intended malicious action.
Payment Card Industry Data Security Standard X48. Maritime Cybersecurity
Standard governing handling of card data, relevant to cruise and ferry operators.
Payment Clause X29. Ship Sale and Purchase, Management Contracts and Valuation
NSF 2012 Clause 3 governing balance payment against documents.
Payment in Full X53. Marine Insurance, P&I and Hull Clauses
The basis of certain claims settlements under hull policies, particularly for total losses on agreed value.
PB Offshore X42. Offshore Wind Installation and Cable Lay
Reference Australian project developer.
PBCF (Propeller Boss Cap Fins) X38. Propellers, Stern Gear and Shaft Lines
Mitsui (MOL Techno-Trade) finned hub cap recovering hub-vortex energy, with thousands of installations.
PBU (Pressure Building Unit) X20. LNG Operations and Custody Transfer
Atmospheric vaporizer raising tank pressure for discharge on small-scale LNG and bunker barges.
PC X62. Naval Warships and Combat Systems
Hull classification for coastal patrol craft, including the US Navy Cyclone-class.
PC/UMS X98. Ship Registries and Flag States
Panama Canal Universal Measurement System.
PC1 X8. IACS, Class Rules and Class Notations
IACS Polar Class for year-round operation in all polar waters, including multi-year ice.