ShipCalculators.com

Glossary

Maritime glossary, terms beginning with E (page 3)

All maritime glossary terms that begin with the letter E, drawn from every subject section. 1978 entries.

Showing 250 of 1978 terms (page 3 of 8).

Eldwick Law X123. Offshore Wind Installation Vessels and Operators
UK floating wind project in Celtic Sea Leasing Round, Floventis Energy joint venture.
Eleanor Roosevelt X85. Ferries, Ro-Pax Operators and Routes
Balearia LNG dual-fuel high-speed catamaran ro-pax delivered 2020 operating Balearic routes.
Election Between Remedies X51. Maritime Arbitration, Law and BIMCO Clauses
The owner's choice on charterer default between withdrawal and affirmation with damages.
Electric Boat (General Dynamics Electric Boat) X91. Submarines and Submarine Cable Systems
US submarine builder headquartered at Groton, Connecticut, lead shipyard for Virginia and Columbia classes.
Electric driven cargo pump X19. Engine Room Watchkeeping and UMS Operations
Frequency controlled motor driving cargo pump on tankers and gas carriers.
Electric Fencing X22. Piracy, Maritime Security and Armed Protection
Non lethal energized perimeter installed on rails to deter boarders, a BMP recommended hardening.
Electric Heating Coil X93. IBC Code and Chemical Tanker Operations
Cargo heating element comprising sheathed resistance elements used aboard tankers carrying small parcels of specific cargoes.
Electric motor (squirrel cage) B2. Marine Engineering
Common asynchronous AC motor type.
Electric Motor-Driven Pump X63. Marine Auxiliary Machinery and Pumps
Pump driven by squirrel cage induction motor through coupling or belt.
Electric Power Pack X104. Project Cargo Forwarders and Heavy Transport
Battery and motor unit used to drive SPMTs without diesel emissions.
Electric propulsion converter X38. Propellers, Stern Gear and Shaft Lines
Power electronics module (VFD) feeding the propulsion motor of a podded or shaft-mounted electric drive.
Electric propulsion LNG X56. LNG/LPG Carriers and IGC Code
Propulsion arrangement on DFDE and TFDE LNG carriers where electric motors drive the propeller shaft.
Electric Propulsion Module X109. Maritime Autonomous Surface Ships and MASS Code
A propulsion package such as those fitted to the Yara Birkeland that supports clean and quiet operation of an autonomous coastal ship.
Electric Pulse Trawl D4. Fisheries, aquaculture, blue economy and marine resources
Trawl using electrical stimulation; banned in EU waters.
Electric RTG X15. Ports, Terminals and Stevedoring
eRTG with cable reel or busbar power supply, reducing diesel use.
Electric Storage Battery Wet Filled with Acid X75. IMDG Code, Classes, Packing and Segregation
UN 2794, Class 8 corrosive.
Electric Storage Battery Wet Filled with Alkali X75. IMDG Code, Classes, Packing and Segregation
UN 2795, Class 8 corrosive.
Electric Storage Battery Wet Non Spillable X75. IMDG Code, Classes, Packing and Segregation
UN 2800, Class 8 corrosive with specific test criteria for non spillable design.
Electric Tug X79. Tugs and Towage Industry
Battery-electric harbor tug such as the Damen RSD-E Tug 2513 in service at the Port of Auckland.
Electric Tunnel Thruster X67. Marine Electrical Systems and Shore Power
Transverse thruster driven by an integrated electric motor instead of a hydraulic or shaft drive.
Electric welding shop X58. Shipbuilding Yards and Construction
Indoor shop equipped with multi-process welders for subassembly fabrication.
Electrical Cable Insulation Inventory X50. Ship Recycling, Demolition and Hong Kong Convention
The IHM Part I record of halogenated cable insulation across the ship's distribution network.
Electrical Continuity X82. Saturation Diving and Offshore Diving Operations
Test ensuring grounding integrity of saturation electrical systems.
Electrical Continuity Test X5. Marine Surveying and Inspection
Bonding and earthing verification of cargo and tank systems.
Electrical infrastructure X42. Offshore Wind Installation and Cable Lay
Combined system of array cables, offshore substation, export cables, and onshore substation.
Electrical installations (Reg II-1/40-45) X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
Cover main and emergency power, switchboards, distribution, lighting, and supplementary emergency lighting on passenger ships.
Electrical Isolation X100. Marine Cathodic Protection and Anodes
The deliberate insulation of one structure from another to prevent current drain or stray-current corrosion.
Electrical Load analysis (ELA) B2. Marine Engineering
Calculation of generator capacity per operational mode.
Electrical officer X19. Engine Room Watchkeeping and UMS Operations
ETO, watchkeeping or day work officer responsible for electrical equipment.
Electrical Redundancy X109. Maritime Autonomous Surface Ships and MASS Code
A power distribution design that ensures continued operation of autonomy and propulsion under single failure conditions.
Electrical Strain Gauge X96. Hull Integrity Monitoring and Strain Gauges
Resistive sensor whose change in electrical resistance corresponds to mechanical strain.
Electrical Survey X5. Marine Surveying and Inspection
Inspection of generators, switchboards, cables, and emergency power systems.
Electro-Technical Officer X21. STCW Certificates, Crewing and Seafarer Welfare
ETO, STCW Regulation III/6 officer responsible for electrical and electronic equipment.
Electro-Technical Officer (ETO) F3. Seafaring Life, Education, Professions and Institutions
STCW-regulated specialty for shipboard electrical and electronic systems.
Electro-Technical Rating X21. STCW Certificates, Crewing and Seafarer Welfare
ETR, STCW Regulation III/7 rating supporting the ETO.
Electro-Technical Rating (ETR) X160. Maritime Academies, Universities, and STCW Certification
STCW A-III/7 certified rating supporting the ETO in maintenance and operation of electrical equipment.
Electrochemical Cell X100. Marine Cathodic Protection and Anodes
A system of anode, cathode, electrolyte, and metallic path in which redox reactions drive ionic current.
Electrochemical Equivalent X100. Marine Cathodic Protection and Anodes
The mass of metal dissolved per unit charge passed, derived from Faraday's law.
Electrochemical noise X45. Marine Paints, Coatings and Antifouling
Monitoring technique for corrosion and coating breakdown rates in laboratory testing.
Electrochlorination X63. Marine Auxiliary Machinery and Pumps
Production of sodium hypochlorite from seawater by electrolysis for biofouling control.
Electrochlorination BWMS X18. Ballast Water, Biofouling and Antifouling
Treatment generating sodium hypochlorite by electrolysis of seawater for disinfection.
Electrohydraulic Steering Gear X63. Marine Auxiliary Machinery and Pumps
Steering gear driven by electrically powered hydraulic pumps acting on rams or rotary vane actuators.
Electrolux Professional Marine X120. Marine Catering, Provisions and Ship Chandlers
Italian and Swedish manufacturer of marine galley combi ovens, dishwashers, and refrigeration.
Electrolysis at sea X57. Ocean Energy Beyond Wind
Production of hydrogen by electrolysis of seawater or desalinated seawater on offshore platforms, as in the PosHYdon pilot.
Electrolyte X100. Marine Cathodic Protection and Anodes
The ionically conductive medium, such as seawater or soil, that completes the corrosion or CP circuit.
Electrolytic Antifouling System Inventory X50. Ship Recycling, Demolition and Hong Kong Convention
The IHM Part I record of impressed current antifouling installations, requiring controlled removal of copper anodes.
Electrolytic Chlorination X41. Cruise Ship Public Health and VSP/USPH
Onboard generation of hypochlorite from seawater brine for swimming pool and potable disinfection.
Electrolytic Tin Plate (ETP) X1. Cargo Science, Commodities and Cargo Care
Thin coated steel coil; very sensitive to sweat.
Electromagnetic gauge (UT) B4. Shipbuilding, Materials, Sea Trials, Retrofits and Recycling
EMAT ultrasonic thickness gauging.
Electromagnetic Immunity X96. Hull Integrity Monitoring and Strain Gauges
Property of fiber optic sensing systems to be unaffected by electromagnetic interference.
Electronic Bearing Line (EBL) X16. Nautical Science, Navigation and COLREGs
Radar feature for measuring bearing to a target.
Electronic Bill of Lading A5. Maritime Law, private and commercial
eBL governed by platforms such as essDOCS, Bolero, edoxOnline, and the UK Electronic Trade Documents Act 2023.
Electronic broker platform X71. Shipbrokers and Brokerage Firms
Web-based system distributing positions and orders to subscribers.
Electronic Bunker Delivery Note X115. Marine Bunker and Cargo Surveying
Digital BDN format introduced in Singapore under MPA regulation, signed using cryptographic credentials.
Electronic Chart X103. US Inland Waterway Towing and Barge
A digital navigation chart used aboard towing vessels, often provided by the US Army Corps of Engineers Inland Electronic Navigation Chart program.
Electronic Chart Display X109. Maritime Autonomous Surface Ships and MASS Code
An ECDIS class system that provides the chart layer for both onboard autonomy and remote operations centers.
Electronic Detonator X75. IMDG Code, Classes, Packing and Segregation
UN 0511, 0512 or 0513 depending on subdivision, Class 1.4S/1.4B/1.1B.
Electronic expansion valve (EEV) X26. Reefer Containers and Cold Chain Logistics
Stepper-motor refrigerant metering device; replaces thermostatic TXV in modern reefers.
Electronic governor X19. Engine Room Watchkeeping and UMS Operations
Microprocessor based speed governor superseding mechanical Woodward UG types.
Electronic Indicator X174. Marine Engine Maintenance, Overhaul, and Condition Monitoring
Pressure transducer-based recording system replacing mechanical indicator cards, models include Icon Doctor, Lemag PREMET, and Kistler 6613.
Electronic Logbook X48. Maritime Cybersecurity
Digital record of voyage events whose integrity is relevant to regulatory acceptance.
Electronic Logbook (Fishing Vessel) X87. Fishing Vessels and Fisheries Management
Mandatory under EU Regulation 1224/2009 for vessels of 12 meters and above.
Electronic Monitoring (EM) X87. Fishing Vessels and Fisheries Management
Camera and sensor system used on fishing vessels to verify catch composition and discards, mandated by some RFMOs.
Electronic NOR X86. Port Agency, Husbandry and Disbursement
Notice of Readiness tendered electronically and timestamped by the agent.
Electronic Reporting International X33. Inland Navigation and Barge Operations
ERI, the RIS standard for electronic ship reporting on European inland waterways.
Electronic Trade Capture X44. Shipping Indices, FFAs and Freight Markets
Broker workflow recording FFA executions and submitting them to clearing houses through standardized interfaces.
Electronic Trip Unit X67. Marine Electrical Systems and Shore Power
Microprocessor-based release on a circuit breaker providing adjustable overload, short-circuit, and ground-fault protection.
Electronically controlled (ME) X90. Marine Engine Specific Model Enumeration
MAN B&W two-stroke designation indicating hydraulic-electronic fuel injection and exhaust valve actuation under integrated engine control.
Electroslag welding X58. Shipbuilding Yards and Construction
Vertical position joining process using a molten slag pool, used for heavy plate splices.
Electrostatic spray X45. Marine Paints, Coatings and Antifouling
Application method seldom used in marine work but common in shop primer lines.
Elefsis Shipyards X113. Drydock and Ship Repair Yards
Greek ship repair yard at Elefsis on the Saronic Gulf, redeveloped in recent years under new ownership.
Eleftheria, The [1969] 1 Lloyd's Rep 237 X143. Landmark Maritime Law Cases and Doctrines
English Admiralty Court stay test for foreign jurisdiction clauses.
Element (TMSA) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
One of the 13 management areas in TMSA 3, each with four progressively demanding stages.
Element 1 Management, Leadership, and Accountability X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element addressing governance, organizational structure, and senior commitment.
Element 10 Environmental and Energy Management X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering MARPOL compliance, energy efficiency, and emissions reduction.
Element 11 Emergency Preparedness and Contingency Planning X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering SOPEP, SMPEP, drills, and tabletop exercises.
Element 12 Measurement, Analysis, and Improvement X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering KPI design, leading and lagging indicators, and continual improvement.
Element 13 Maritime Security X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering ISPS, cyber security, and high-risk-area transit assurance.
Element 2 Recruitment and Management of Shore-Based Personnel X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering shore staff competence, training, and succession.
Element 3 Recruitment and Management of Vessel Personnel X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element addressing seafarer recruitment, retention, and competence assurance.
Element 4 Vessel Reliability and Maintenance X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element addressing PMS, condition monitoring, and critical equipment integrity.
Element 4A Critical Equipment X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The sub-element listing equipment whose failure could cause loss of containment, propulsion, or steering.
Element 5 Navigational Safety X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering passage planning, bridge teamwork, and ECDIS management.
Element 6 Cargo, Ballast, Tank Cleaning, Bunkering, Mooring, and Anchoring Operations X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element governing cargo and related operations.
Element 6A Mooring X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The MEG4-aligned sub-element addressing mooring system design, MEG4 compliance, and crew competence.
Element 7 Management of Change (MOC) X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element addressing temporary and permanent changes to equipment, procedures, and organization.
Element 8 Incident Reporting, Investigation, and Analysis X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering near-miss capture, root-cause investigation, and lessons learned.
Element 9 Safety Management X150. Tanker Vetting: OCIMF SIRE, CDI, RightShip, and TMSA
The TMSA element covering risk assessment, permit to work, and behavioral safety programs.
Element Birth and Death X54. Naval Architecture Software and IACS Rules
Abaqus and Ansys capability used to simulate weld sequencing in shipyard distortion studies.
Element Power X57. Ocean Energy Beyond Wind
Renewable developer historically active in marine renewable site assessment, especially in Ireland.
Elemental analysis X2. Marine Bunker Fuels, Lubricants and Bunkering Operations
Determination of trace elements such as V, Na, Al, Si, Ca, Zn, Fe by ICP-OES.
Elementary First Aid (EFA) X160. Maritime Academies, Universities, and STCW Certification
STCW A-VI/1-3 module of Basic Safety Training covering initial casualty response and CPR.
Elephant Seal X97. Polar Expedition Cruise and IAATO Operations
Largest pinniped (Mirounga leonina), a key wildlife species on South Georgia beaches such as Gold Harbour.
ELERA X68. Maritime Satcom and Telecommunications
Inmarsat L-band global network brand encompassing FleetBroadband, IsatPhone, BGAN, and related services.
Eleuthera X35. Yacht and Superyacht Industry
Bahamian island in the charter circuit.
Elevated Temperature Mark X75. IMDG Code, Classes, Packing and Segregation
Triangular thermometer mark required for substances transported at or above 100 degrees Celsius liquid or 240 degrees Celsius solid.
Elevated Temperature Substance X75. IMDG Code, Classes, Packing and Segregation
Substance covered by UN 3257 liquid or UN 3258 solid Class 9.
Elevated walkways (icing) X27. Polar Code, Ice Navigation and Polar Operations
Required to be kept clear of ice accretion during cold weather operations.
Elevation (geographical) X16. Nautical Science, Navigation and COLREGs
Height of an object above sea level.
Elevation Angle X68. Maritime Satcom and Telecommunications
Vertical angle from the local horizon to the satellite, important for line-of-sight planning at high latitudes.
Elevator boom X15. Ports, Terminals and Stevedoring
ship loader boom that elevates to clear vessel rails.
ELF (Extremely Low Frequency) X91. Submarines and Submarine Cable Systems
Radio band used to communicate with submerged submarines at very low data rates.
Elia X123. Offshore Wind Installation Vessels and Operators
Belgian transmission system operator that built Modular Offshore Grid switching platform for Belgian wind clusters.
EliteLINE X136. Reefer Vessels and Cool Chain Operators
Carrier Transicold reefer unit designed for pharmaceutical and other temperature-sensitive non-food cargoes.
Elliot School of Maritime Studies X121. Maritime Education, Academies and Universities
UK private operator at Southampton offering Yachtmaster and STCW Basic Safety.
Ellipse Method X9. Cargo Securing, Lashing and Stability Vocabulary
CSS Annex 13 method projecting accelerations onto an ellipse for combined force evaluation.
Ellipsoidal Height D2. Hydrography, tides, waves, bathymetry and marine geology
Height above a reference ellipsoid.
Elme Spreader X76. Stevedoring, Lashing and Cargo Securing
Swedish manufacturer of container spreaders for terminal handling equipment.
eLoran X16. Nautical Science, Navigation and COLREGs
Enhanced terrestrial radio-navigation system using improved Loran-C signals.
ELT X31. Helicopter Operations on Ships
Emergency Locator Transmitter, automatic 406 MHz distress beacon fitted to helicopters.
Eltvedt Petroleum Services X86. Port Agency, Husbandry and Disbursement
Norwegian firm offering services in the oil and shipping sector.
ELWIS X33. Inland Navigation and Barge Operations
Elektronischer Wasserstrassen-Informationsservice, the German federal inland waterway information portal.
EM (Electronic Monitoring) D4. Fisheries, aquaculture, blue economy and marine resources
Cameras and sensors aboard vessels to monitor fishing.
EM 122 X65. ROVs, AUVs, USVs and Marine Robotics
Kongsberg deep water multibeam echo sounder operating at 12 kHz for full ocean depth bathymetric mapping.
EM 124 X65. ROVs, AUVs, USVs and Marine Robotics
Kongsberg deep water multibeam echo sounder that succeeds the EM 122 with improved swath performance.
EM 2040 X65. ROVs, AUVs, USVs and Marine Robotics
Kongsberg high-resolution shallow water multibeam echo sounder for inshore and coastal bathymetry.
EM 2040 MKII X129. Hydrographic Offices, Survey Vessels and Marine Cartography
Updated EM 2040 model with single, dual, or three-head options and enhanced bottom detection algorithms.
EM 2040P X65. ROVs, AUVs, USVs and Marine Robotics
Compact pole-mounted variant of the Kongsberg EM 2040 designed for portable survey installations.
EM 302 X89. ECDIS and Bridge Equipment Makers
Kongsberg mid water multibeam echo sounder operating at 30 kHz.
EM 304 X65. ROVs, AUVs, USVs and Marine Robotics
Kongsberg full ocean depth multibeam echo sounder positioned between the EM 124 and the deeper EM 2040 family.
EM 710 X89. ECDIS and Bridge Equipment Makers
Kongsberg shallow to mid water multibeam echo sounder operating at 70 to 100 kHz.
EM 712 X65. ROVs, AUVs, USVs and Marine Robotics
Kongsberg medium water multibeam echo sounder used on survey vessels for shelf and slope mapping.
EM Bird D5. Coastal processes, sea-level, cryosphere and ocean observation science
Helicopter-borne electromagnetic sensor for sea ice thickness.
EM Log X89. ECDIS and Bridge Equipment Makers
Electromagnetic speed log measuring water speed by induced voltage in a sensor protruding through the hull.
EM Multibeam D2. Hydrography, tides, waves, bathymetry and marine geology
Kongsberg multibeam echosounder family used in hydrography.
em-trak X74. AIS Data, Vessel Tracking and Maritime Intelligence
UK brand of AIS Class A and Class B transponders owned by SRT Marine Systems.
Email arbitration commencement X152. Maritime Arbitration and Dispute Resolution
Now generally accepted under section 14 of the English Arbitration Act 1996 as a valid mode of commencement (The Eastern Navigator).
Email Compression X68. Maritime Satcom and Telecommunications
Software at the vessel and shore that reduces email size for transit over satellite links.
Email Filtering X48. Maritime Cybersecurity
Inbound mail security control that reduces phishing reaching shipping company users.
Email Service X114. Maritime Arbitration and Shipping Law Firms
Service of arbitration notices by email, permitted under most institutional rules including LMAA Terms 2021.
EMALS X11. Naval Vessels, Warship Systems and Naval Architecture
Electromagnetic Aircraft Launch System on Ford-class and Fujian.
EMALS (Electromagnetic Aircraft Launch System) X106. Naval Surface Combatants
Linear induction motor catapult fitted to Gerald R. Ford-class carriers, replacing steam catapults.
Embargo C3. Logistics, freight forwarding and multimodal trade
Restriction on movement of goods to a country.
Embark, Pilot X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Act of the pilot boarding the inbound vessel at the boarding ground, in opposition to disembark on outbound.
Embarkation X24. Cruise, Passenger Ship and Ferry Operations
Process of guests boarding for a cruise, normally at the homeport terminal.
Embarkation deck X32. Marine Pilotage and Pilot Operations
Deck location at which the pilot enters the ship from the boarding equipment.
Embarkation height X32. Marine Pilotage and Pilot Operations
Height above water of the point at which the pilot steps aboard, governed by SOLAS V/23.
Embarkation lee X32. Marine Pilotage and Pilot Operations
Lee provided by the ship for the pilot boat during pilot boarding.
Embarkation point X16. Nautical Science, Navigation and COLREGs
Point from which a survey or pilot departs the vessel.
Embarkation Port X127. Maritime Security, Anti-Piracy and PMSCs
Designated port where PCASP and weapons board, principally Galle in Sri Lanka, Djibouti, Port Louis and Suez Roads.
Embarkation Visa X86. Port Agency, Husbandry and Disbursement
Visa allowing a seafarer to enter the country to join a vessel.
Embarkation Welfare Briefing X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Pre-joining briefing on welfare contacts including SeafarerHelp.
Embarked Helicopter Detachment E2. Naval, defence and maritime law enforcement
Aviation element aboard a surface combatant.
Embassy of the Flag State (Authority) E2. Naval, defence and maritime law enforcement
Consular authority over flag ships abroad.
Embayment C4. Ports, terminals and coastal/marine civil engineering
Bay or curved coastal indentation.
Embedment depth X175. Port Engineering, Dredging, Breakwaters, and Quays
Depth to which a sheet pile or king pile is driven below the dredge level to develop passive resistance.
EMC Cable X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Electromagnetic compatibility-screened cable used for sensitive inter-array cabling at certain offshore wind sites.
EMCIP X12. Maritime Casualties and Investigation
European Marine Casualty Information Platform, EMSA's accident database mandated by Directive 2009/18/EC.
EMD 645/710 (marine) X38. Propellers, Stern Gear and Shaft Lines
Two-cycle locomotive-derived engines used in some naval and ferry shaft-line installations.
Emden X124. Dredging Industry and Reclamation Contractors
German port whose Ems channel maintenance is contracted in EU tenders.
Emden Lock X33. Inland Navigation and Barge Operations
Sea lock on the Ems estuary providing access from the North Sea to German inland canals.
EMEC X57. Ocean Energy Beyond Wind
European Marine Energy Centre, the wave and tidal test center in Orkney, Scotland, established in 2003.
EMEC LNG Summit X119. Maritime Conferences, Trade Shows and Awards
Annual European Methane Engine and Cryogenics event in Amsterdam.
Emerald Bridge X37. Marine Spatial Planning, Subsea Cables and Submarine Pipelines
Proposed subsea power link concept between Ireland and continental Europe.
Emerald Cruises X164. Cruise Industry, Brands, Ship Classes, and Terminals
The ocean cruise brand of the Scenic Group, operating the Emerald Azzurra and Emerald Sakara expedition yachts.
Emerald Princess X64. Cruise Industry Operators, Brands and Ships
Princess Cruises Grand-class ship delivered in 2007.
Emergency air compressor X19. Engine Room Watchkeeping and UMS Operations
Independent compressor capable of charging the air bottle from dead ship condition.
Emergency Arbitrator X51. Maritime Arbitration, Law and BIMCO Clauses
A pre-tribunal appointee under certain institutional rules empowered to grant urgent interim relief.
Emergency Bilge Suction X63. Marine Auxiliary Machinery and Pumps
Direct suction allowing the main seawater pump to drain the engine room in flooding casualties.
Emergency Cargo Pump X20. LNG Operations and Custody Transfer
Portable submerged pump lowered through emergency pump column for tank discharge if main pumps fail.
Emergency Communication Plan X22. Piracy, Maritime Security and Armed Protection
Pre-arranged contact list for UKMTO, MSCHOA, CSO and flag state in event of attack.
Emergency Contact X172. IMDG Code: Classes, Divisions, Segregation, and Key UN Numbers
A 24-hour telephone number required by some authorities on the dangerous goods declaration.
Emergency diesel generator B2. Marine Engineering
Independent set serving emergency switchboard per SOLAS.
Emergency Discharge (Reg 4 Annex I) X171. MARPOL 73/78: Annex-by-Annex Detailed Glossary
A discharge of oil necessary for securing the safety of the ship or saving life at sea, exempt from Reg 15 limits where all reasonable precautions were taken.
Emergency Disconnect Sequence (EDS) X14. Offshore Oil and Gas Marine Operations
Programmed sequence to safely disconnect LMRP from BOP.
Emergency Disembarkation X86. Port Agency, Husbandry and Disbursement
Urgent removal of crew due to medical or safety reasons.
Emergency Disinfection X41. Cruise Ship Public Health and VSP/USPH
Hyperchlorination of the potable system to 50 mg/L for 4 hours following a confirmed contamination event.
Emergency fire pump B2. Marine Engineering
Independent fire pump per SOLAS Reg. II-2/10.
Emergency Fire Pump Deficiency X66. Port State Control and Regional MOUs
04000 or 07000 series deficiency depending on context.
Emergency generator X19. Engine Room Watchkeeping and UMS Operations
Self contained generator above main deck supplying essential services on blackout.
Emergency Generator Control X139. Maritime Cybersecurity, OT Threats and Standards
PLC-managed power system whose loss could constitute a marine casualty under SOLAS Chapter II-1.
Emergency Generator Deficiency X66. Port State Control and Regional MOUs
04000 series deficiency.
Emergency Generator Test X5. Marine Surveying and Inspection
Verification of auto-start and load take-up during SOLAS surveys.
Emergency Husbandry Services X86. Port Agency, Husbandry and Disbursement
Out-of-hours services for vessels in distress or with urgent needs.
Emergency Hyperbaric Evacuation System X82. Saturation Diving and Offshore Diving Operations
Self-propelled or towed lifeboat carrying divers under pressure off a stricken DSV.
Emergency Life Support Package X82. Saturation Diving and Offshore Diving Operations
Battery and gas reserve sustaining the EHES.
Emergency Lighting X66. Port State Control and Regional MOUs
Inspected under 04000 emergency systems.
Emergency Phase X80. Maritime Search and Rescue Coordination
Generic IAMSAR phase including uncertainty, alert and distress.
Emergency Provisions X120. Marine Catering, Provisions and Ship Chandlers
Lifeboat ration packs, SOLAS Chapter III Regulation 32 requirement, 10,000 kJ per person minimum.
Emergency Quick Disconnect X14. Offshore Oil and Gas Marine Operations
Rapid disconnect on turret moorings allowing FPSO to leave field.
Emergency Release X79. Tugs and Towage Industry
Mechanism on a towing winch or hook permitting rapid disconnection of the line under load.
Emergency Release Coupling (ERC) X20. LNG Operations and Custody Transfer
Powered, two-valve coupling within hard arms enabling rapid disconnection during ESD-2.
Emergency Release System X30. Tug Operations and Harbour Towage
System enabling rapid release of the tug's working line under load.
Emergency Response and Salvage Award X60. Marine Salvage and Wreck Removal
ERSA, a US Navy administered standby contract for salvage and pollution response.
Emergency Response Plan, Yard X50. Ship Recycling, Demolition and Hong Kong Convention
The HKC-mandated yard procedure for spills, fires, structural collapses, and worker injuries.
Emergency response service C2. Ship operations, crewing and technical management
ERS, salvage and stability support service.
Emergency Response Survey X43. Marine Surveying and Warranty Surveying
A surveyor attendance during a casualty to advise responders and gather contemporaneous evidence for subsequent reports.
Emergency Response Towing Vessel X60. Marine Salvage and Wreck Removal
Standby tug stationed by a coastal state to intervene with drifting casualties.
Emergency Schedules (EmS) X1. Cargo Science, Commodities and Cargo Care
IMDG fire and spill response codes (e.g., F-A, S-A).
Emergency shutdown X56. LNG/LPG Carriers and IGC Code
Automatic system that closes manifold valves and stops cargo pumps to halt transfer in the event of unsafe conditions.
Emergency Shutdown System X103. US Inland Waterway Towing and Barge
A tank barge cargo system that closes valves and stops pumps on activation.
Emergency Shutdown System (ESD) X20. LNG Operations and Custody Transfer
Fail-safe system halting cargo flow; ESD-1 stops pumps and valves, ESD-2 also activates ERS to disconnect arms.
Emergency Source of Power X133. Polar Research Vessels and Polar Code Regimes
Polar Code Part I-A Chapter 6 requires extended fuel reserves for emergency generator.
Emergency steering drill X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
Required by SOLAS V/26 every three months, simulating loss of main steering control.
Emergency stop X19. Engine Room Watchkeeping and UMS Operations
Hard wired pushbutton tripping engine or pump from local and remote stations.
Emergency stop circuit B2. Marine Engineering
Hardwired shutdown loop for machinery.
Emergency Stop Function X109. Maritime Autonomous Surface Ships and MASS Code
A safety command that brings the propulsion and steering to a defined safe state, accessible to remote operators and onboard responders.
Emergency Switchboard X67. Marine Electrical Systems and Shore Power
Switchboard fed by the emergency generator and emergency batteries supplying SOLAS-defined essential services.
Emergency Systems Deficiency X66. Port State Control and Regional MOUs
04000 series deficiency category.
Emergency Towage Vessel (ETV) X99. Marine Salvage Awards and SCOPIC
Government or coastal authority tug stationed for emergency response and casualty assistance.
Emergency Towing Arrangement X66. Port State Control and Regional MOUs
SOLAS II-1/3-4 requirement; subject of inspection for tankers.
Emergency towing booklet X170. SOLAS 1974 Convention: Chapter-by-Chapter Glossary
Required by SOLAS II-1/3-4.2 (MSC.256(84)) on all ships of 500 GT and above from 1 January 2010, containing ship-specific towing data.
Emergency Towing System X60. Marine Salvage and Wreck Removal
Pre-rigged towing arrangement allowing rapid connection to a casualty.
Emerging Contaminant D3. Marine environmental science, pollution and conservation
Substance recently recognized as a pollutant of concern.
Emerson DeltaV X107. Maritime Cybersecurity and OT Security
Distributed control system from Emerson used in process industries and some marine applications.
Emerson GO Real-Time X26. Reefer Containers and Cold Chain Logistics
Emerson satellite/cellular reefer telematics tracker.
Emerson Micro Motion Coriolis X72. Bunkering Hubs and Bunker Suppliers
Coriolis mass flow meter family supplied by Emerson approved at Singapore for bunker custody transfer.
Emirates Team New Zealand X84. Yacht Racing, Regattas and Sailing Governance
The Royal New Zealand Yacht Squadron syndicate that holds the America's Cup, having won in 1995, 2000, 2017, 2021 and 2024.
Emission Abatement Method X69. EGCS Scrubbers, SCR and Marine Air Emissions
Generic Annex VI term for equivalent technologies achieving sulfur or NOx compliance.
Emission Control Equipment Recovery X50. Ship Recycling, Demolition and Hong Kong Convention
The salvage of selective catalytic reduction units, scrubbers, and exhaust gas economizers, often containing precious metals and hazardous catalysts.
Emission Factor D6. Decarbonization, emissions and alternative fuels
Mass of emissions per unit of activity or fuel.
Emissions Allowance X44. Shipping Indices, FFAs and Freight Markets
EU Allowance (EUA) unit representing one metric ton of carbon dioxide equivalent, traded on EEX and ICE and embedded in shipping cost models.
EML (Euro Marine Logistics) X166. Inland Waterways, Ferries, RoRo, and Short Sea Shipping
The roll-on/roll-off short sea joint venture of Wallenius Wilhelmsen and Mitsui OSK Lines for European finished-vehicle distribution.
EML200 X168. Bridge Electronics: Radar, ECDIS, GMDSS, and IBS
SKIPPER Electronics electromagnetic speed log measuring speed through water for SOLAS class vessels.
Emma Maersk B5. Ship Types and Individual Vessels
15,500 TEU container ship, world record holder on delivery.
EMPA X32. Marine Pilotage and Pilot Operations
European Maritime Pilots' Association, regional body of national pilots' organizations across Europe.
EMPA Resolution X159. Marine Pilotage, Pilot Districts, and Pilots' Associations
Position paper issued by the European pilots' federation on matters such as PPU standards or pilot ladder safety.
EMPAR X11. Naval Vessels, Warship Systems and Naval Architecture
European Multi-function Phased Array Radar on Horizon class.
Emperor Penguin X97. Polar Expedition Cruise and IAATO Operations
Largest penguin species (Aptenodytes forsteri) found in the Weddell Sea, Ross Sea, and other true Antarctic locations.
Empire Manor, SS X167. Major Salvage Companies, Wreck Removals, and Equipment
British wartime cargo ship that broke in two in a 1944 North Atlantic convoy after collision, often cited in early salvage casework.
Empire Wind X42. Offshore Wind Installation and Cable Lay
US offshore wind project off New York developed by Equinor.
Empire Wind 1 X123. Offshore Wind Installation Vessels and Operators
810 MW Equinor project off New York, Vestas V236-15.0 turbines, monopile foundations, BP exited 2024.
Empire Wind 2 X123. Offshore Wind Installation Vessels and Operators
1,260 MW Equinor project cancelled 2024 due to economic conditions, BOEM lease retained.
Empirical Friction Line X54. Naval Architecture Software and IACS Rules
Curve such as ITTC 1957 used to extrapolate model resistance to full scale.
Employer of Record X154. Maritime Welfare, Seafarer Charities, and MLC Rights
Manning entity legally responsible for the SEA, central to MLC enforcement.
Employment Agreement (Seafarer's) X102. Seafarer Welfare and Maritime Charities
Individual contract required under MLC Regulation 2.1 between the shipowner and the seafarer.
Employment and Indemnity Clause X17. Chartering, Shipbroking and Freight Trading
Time charter clause requiring the master to follow charterer's orders, with owner indemnified for consequences.
Empress of Ireland F1. Maritime History
1914 St. Lawrence sinking with 1012 deaths.
Empress of Ireland (1914) X12. Maritime Casualties and Investigation
Canadian Pacific liner that sank in the St. Lawrence after collision with SS Storstad on 29 May 1914 with 1,012 lives lost.
Empress of the Seas X164. Cruise Industry, Brands, Ship Classes, and Terminals
A former Royal Caribbean ship delivered in 1990, sold for recycling in 2020.
Empty Container Handler X46. Container Terminal Operations
A counterweighted lift truck with a top spreader designed to stack empty containers up to eight high.
Empty depot X15. Ports, Terminals and Stevedoring
yard for empty containers awaiting redistribution.
Empty handler X15. Ports, Terminals and Stevedoring
forklift with top spreader for empty containers, e.g., Kalmar DCG, Hyster H22XM-12EC.
Empty pool C1. Commercial shipping, chartering, economics and finance
Surplus stock of empty containers in a region.
Empty positioning X6. Container, Intermodal and Trade Codes
Movement of empty containers to balance regional supply and demand.
Empty refill method X18. Ballast Water, Biofouling and Antifouling
D-1 BWE method involving complete emptying of a tank followed by refilling, achieving at least 95 percent exchange.
Empty Repositioning X83. ISO Container Manufacturing and Leasing
Movement of empty containers from surplus to deficit ports to rebalance fleet supply.
Empty Ullage X155. Marine Surveying Practice and Cargo Inspection
The distance from the reference point at the top of a tank to the bottom of the tank, used in deriving observed ullage volumes.
Empty Uncleaned Packaging X75. IMDG Code, Classes, Packing and Segregation
Packaging that previously contained dangerous goods and still retains residue, subject to IMDG provisions in 5.1.3.