AA	-	Always Afloat
AAAA	-	Always Afloat, Always Accessible
AAOSA	-	Always Afloat Or Safe Aground
AAR	-	Against All Risks
AARA	-	Always Accessible or Reachable on Arrival
AB	-	Able Seaman
ABS	-	American Bureau of Shipping
AC	-	Alternating Current (electricity)
ACV	-	Air Cushion Vehicle
AD	-	Area Differential
ADF	-	Automatic Direction Finder
AF	-	Anti-Fouling
AFFF	-	Aqueous Film Forming Foam
AFRA	-	Average Freight Rate Assessment
AG	-	Arabian Gulf
AGW	-	Actual Gross Weight
	-	All Going Well
AHTS	-	Anchor Handling Tug and Supply Vessel
AIS	-	Automatic Identification System
ALERT	-	Automatic Life-saving Emergency Radio Transmitter
ALRS	-	Admiralty List of Radio Signals
AMSL	-	Above Mean Sea Level
AMVER	-	Automated Mutual Assistance Vessel Rescue System
AMWELSH	-	Americanised Welsh Coal Charter party
ANERA	-	Asia-North America Eastbound Rate Agreement
ANOP	-	Articles Not Otherwise Provided for
ANSI	-	American National Standard Institute
AO	-	Awaiting Orders
	-	And Other
AOB	-	Any One Bottom
AOH	-	After Office Hours
AOLOC	-	Any One Location
AOR	-	Atlantic Ocean Region
AOS	-	Any One Steamer
AOV	-	Any One Vessel
AP	-	All Purposes
	-	Additional Premium
	-	Aft Perpendicular
API	-	American Petroleum Institute
APS	-	Arrival Pilot Station
APT	-	Aft Peak Tank
ARA	-	Antwerp - Rotterdam - Amsterdam
ARPA	-	Automatic Radar Plotting Aid
A/S	-	Alongside
ASAP	-	As Soon As Possible
ASBA	-	The Association of Shipbrokers and Agents (USA) Incorporated, New York
ASCII	-	American Standard Code for Information Interchange
ASPW	-	Any Safe Port in the World
ASTM	-	American Society of Testing & Materials
ATA	-	Actual Time of Arrival
ATD	-	Actual Time of Departure
ATDN	-	Any Time Day & Night
ATDNSHINC	-	Anytime Day/Night Sundays & Holidays Included
ATK	-	Aviation Turbine Kerosene
ATS	-	All Time Saved
ATSBE	-	All Time Saved Both Ends
ATSDO	-	All Time Saved Discharging Only
ATUTC	-	Actual Times Used To Count
AUV	-	Autonomous Underwater Vehicle
AVGAS	-	Aviation Gasoline
AVR	-	Automatic Voltage Regulator
AVTAG	-	Aviation Turbine Gasoline
AWIWL	-	Always Within Institute Warranty Limits
AWVNS	-	Always Within Vessel's Natural Segregation
AWRI	-	Additional War Risk Insurance

BA	-	British Admiralty
BAF	-	Bunker Adjustment Factor
BB	-	Below Bridge
	-	Ballast Bonus
	-	Bare Boat
	-	Break Bulk/ Breaking Bulk
	-	Bulbous Bow
BBB	-	Before Breaking Bulk
BBC	-	Bare Boat Charter
BC	-	Code of Safe Practice for Solid Bulk Cargoes
BCH	-	Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk
BCM	-	Bow to Centre of Manifold
BCO	-	Beneficial Cargo Owner
BD	-	Bar Draught
BDC	-	Bottom Dead Centre
BDI	-	Both Dates Inclusive
B/E	-	Break-Even
BENDS	-	Both Ends
BFI	-	Baltic Freight Index
BHP	-	Brake Horse Power
BI	-	Both Inclusive
BIC	-	Bureau International des Containers (International Container Bureau)
BIFFEX	-	Baltic International Freight Futures Index
BIMCO	-	The Baltic and International Maritime Council
BKR	-	Bulgarski Koraben Registar (Bulgarian Register of Shipping)
B/L	-	Bill of Lading
BLU	-	Code of Practice for the Safe Loading and Unloading of Bulk Carriers
BN	-	Booking Note
BOA	-	Berthing On Arrival
BOB	-	Bunkers On Board
	-	Balance On Board
BOD	-	Bunkers On Delivery
BOFFERS	-	Best Offers
BOL	-	Bill Of Lading
BOP	-	Blow-out Preventer
BOR	-	Bunkers On Redelivery
B/P	-	Bills Payable
B/R	-	Bills Receivable
BROB	-	Bunkers Remaining On Board
BS	-	Bunker Surcharge
BSC	-	British Shippers' Council
BSI	-	British Standards Institution
BST	-	British Standard Time
	-	British Summer Time
BT	-	Berth Terms
BV	-	Bureau Veritas
BW	-	Brackish Water
	-	Ballast Water
BWAD	-	Brackish Water Arrival Draught
BWDD	-	Brackish Water Departure Draught
BWT	-	Ballast Water Tank

CABAF	-	Currency And Bunker Adjustment Factor
CAF	-	Currency Adjustment Factor
CBFT	-	Cubic Feet
CBM	-	Cubic Metres
	-	Conventional Buoy Mooring
CBR	-	Commodity Box Rate
CBS	-	Cyprus Bureau of Shipping
CBT	-	Clean Ballast Tank
CC	-	Cubic Capacity
	-	Cubic Centimetres
	-	Continuation Clause
CCG	-	Canadian Coast Guard
CCS	-	China Classification Society
CD	-	Customary Despatch
C/E	-	Chief Engineer
CENSA	-	Council of European and Japanese National Shipowners Association
CES	-	Coast Earth Station
CFM	-	Container Flow Management
CFR	-	Cost and Freight
CFS	-	Container Freight Station
CFT	-	Cubic Feet
CG	-	Centre of Gravity
CGA	-	Cargo's proportion of General Average
CHABE	-	Charterer's Agents Both Ends
CHOPT	-	Charterer's Option
CIF	-	Cost, Insurance & Freight
CIF&E	-	Cost, Insurance, Freight & Exchange
CIF&I	-	Cost, Insurance, Freight & Interest
CIFC	-	Cost, Insurance, Freight and Commission
CIFC&I	-	Cost, Insurance, Freight, Commission & Interest
CIM	-	Convention Internationale Concernant le Transport des Marchandises par Chemin de Fer
CIP	-	Carriage and Insurance Paid to
	-	Calling In Port
CIT	-	Chartered Institute of Transport
CLP	-	Container Load Plan
CMI	-	Comité Maritime International
CMR	-	Convention Marchandise Routiers
C/N	-	Consignment Note
	-	Cover Note
	-	Credit Note
C/O	-	Chief Officer
CLC	-	Civil Liability Convention of 1969
COA	-	Contract Of Affreightment
COACP	-	Contract Of Affreightment Charter Party
COB	-	Close Of Business
COC	-	Certificate Of Competency
COD	-	Cash On Delivery
COF	-	Certificate Of Fitness
COFC	-	Container On Flat Car
COGS	-	Carriage of Goods by Sea
COGSA	-	Carriage of Goods by Sea Act
COMBIDOC	-	Combined Transport Document
COP	-	Customs Of the Port
COT	-	Cargo Oil Tank
COW	-	Crude Oil Washing
C/P	-	Charter Party
CPD	-	Charterers Pay Dues
CPP	-	Clean Petroleum Products
	-	Controllable Pitch Propeller
CPT	-	Carriage Paid To
CQD	-	Customary Quick Despatch
CR	-	China Corporation Register of Shipping
CROB	-	Cargo Remaining On Board
CRS	-	Croatian Register of Shipping
CSC	-	International Convention for Safe Containers
CSM	-	Container Slot Management
CSO	-	Company Security Officer
CSR	-	Chech and Slovak Ship's and Industrial Register
	-	Continuous Service Rate
CST	-	Central Standard Time
	-	Centistoke
CT	-	Conference Terms
CTL	-	Constructive Total Loss
CTO	-	Combined Transport Operator
CUFT	-	Cubic Feet
CVs	-	Consecutive Voyages
CY	-	Container Yard

DA	-	Discharge Afloat
DAP	-	Days All Purposes
DAS	-	Docking Aid System
DB	-	Double Bottom
DBT	-	Double Bottom Tank
DC	-	Direct Current
D/D	-	Days After Date
	-	Delivered At Docks
DD	-	Daily Discharge
	-	Dry Docking
DDC	-	Destination Delivery Charge
DDP	-	Delivery Duty Paid
DDU	-	Delivery Duty Unpaid
DEL	-	Delivery
DEM	-	Demurrage
DEQ	-	Delivered Ex Quay
DES	-	Delivered Ex Ship
DESP	-	Despatch
DG	-	Dangerous Goods
DGN	-	Dangerous Goods Note
DGPS	-	Differential Global Positioning System
DHD	-	Demurrage Half Despatch
DHDATSBE	-	Demurrage Half Despatch on All Time Saved Both Ends
DHDWTSBE	-	Demurrage Half Despatch on Working Time Saved Both Ends
DIC	-	Delivered In Charge
DISPORT	-	Discharge Port
DIST	-	Distance
DKVN	-	Vietnam Register of Shipping
DLOSP	-	Dropping Last Outward Sea Pilot
DNV	-	Det Norske Veritas (Norwegian Classification Society)
DO	-	Diesel Oil
DOC	-	Document Of Compliance
DOP	-	Dropping Outward Pilot
DOSP	-	Dropping Outward Sea Pilot
DP	-	Dynamic Positioning
DPP	-	Dirty Petroleum Products
DR	-	Dead Reckoning
DRC	-	Daily Running Cost
DSC	-	Digital Selective Calling
DSHA	-	Dangerous Substance in Harbour Area (Regulations)
DT	-	Deep Tank
DWAT	-	Deadweight All Told
DWCC	-	Deadweight Cargo Capacity
DWCT	-	Deadweight Cargo Tonnage
DWT	-	Deadweight

EASC	-	European Air Shippers' Council
EC	-	East Coast
ECDIS	-	Electronic Chart Display and Information System
ECS	-	Electronic Charting System
ECSA	-	East Coast South America
ECSI	-	Export Cargo Shipping Instructions
ECTU	-	European Council of Transport Users
EDH	-	Efficient Deck Hand
EDI	-	Electronic Data Interchange
EDIFACT	-	Electronic Data Interchange For Administration, Commerce and Transport
EDP	-	Early Departure Procedure
EEBD	-	Emergency Escape Breathing Device
EHC	-	Equipment Handover Charge
EHP	-	Effective Horse Power
EITC	-	European Inland Transport Council
EIU	-	Even If Used
ELSA	-	Emergency Life Saving Apparatus
EMF	-	Electromotive Force
ENC	-	Electronic Navigation Chart
EOP	-	End Of Passage
EOSP	-	End Of Sea Passage
EPIRB	-	Emergency Position Indicating Radio Beacon
ER	-	Engine Room
ESC	-	European Shippers' Councils
ESD	-	Emergency Shut Down
ESPO	-	European Sea Ports Organisation
ETA	-	Expected Time of Arrival
ETB	-	Expected Time of Berthing
ETC	-	Expected Time of Completion
ETCD	-	Expected Time of Completion & Departure
ETD	-	Expected Time of Departure
ETR	-	Expected Time of Readiness
ETS	-	Expected Time of Sailing
EXW	-	Ex Works

FA	-	Free Alongside
FAA	-	Free of All Average
FAC	-	Fast As Can
	-	Forwarding Agent's Commission
FACCOP	-	Fast As Can, Custom Of Port
FAF	-	Fuel Adjustment Factor
FAK	-	Freight All Kinds
FAOP	-	Full Ahead On Passage
FAQ	-	Fair Average Quality
FAS	-	Free Alongside Ship
FBL	-	FIATA Bill of Lading
F&CC	-	Full And Complete Cargo
FC	-	Free of Capture
FCA	-	Free Carrier
FCL	-	Full Container Load
FCAR	-	Free of Claim for Accident Reported
FCR	-	Forwarder's Certificate of Receipt
FCS	-	Free of Capture and Seizure
FCT	-	Forwarder's Certificate of Transport
F&D	-	Freight & Demurrage
FD	-	Free Discharge
	-	Free Despatch
	-	Forced Draught
FD&D	-	Freight Demurrage And Defence
FDD	-	Freight Demurrage Deadfreight
FEFC	-	Far East Freight Conference
FEMAS	-	Federation of European Maritime Associations of Surveyors and Consultants
FERIT	-	Far East Regional Investigation Team
FEU	-	Forty-foot Equivalent Unit
FFA	-	Free From Alongside
	-	Fire Fighting Appliances
FFI	-	(FIATA) Forwarding Instructions
FGA	-	Free of General Average
FHEX	-	Fridays and Holidays Excluded
FHINC	-	Fridays and Holidays Included
FI	-	Free In
FIATA	-	International Federation of Forwarding Agents Associations
FIB	-	Free Into Barge
	-	Free Into Bunker
FILO	-	First In Last Out
	-	Free In Liner Out
FILTD	-	Free In Liner Terms Discharge
FIO	-	Free In and Out
FIOLS	-	Free In and Out, Lashed, Secured
FIOLS&D	-	Free In and Out, Lashed, Secured and Dunnaged
FIOS	-	Free In and Out Stowed
FIOST	-	Free In and Out Stowed and Trimmed
FIOT	-	Free In and Out Trimmed
FIT	-	Free In Truck
	-	Free In Trimmed
FIW	-	Free In Wagon
FLT	-	Fork Lift Truck
	-	Full Liner Terms
FMC	-	Federal Maritime Commission
FMS	-	Fathoms
FO	-	Fuel Oil
	-	Firm Offer
	-	For Orders
	-	Free Out
	-	Free Overside
FOB	-	Free On Board
FOB'S	-	Free On Board Charges
FOC	-	Free On Car
	-	Flag Of Convenience
FOD	-	Free on Damage
FONASBA	-	The Federation of National Associations of Shipbrokers and Agents
FOQ	-	Free On Quay
FOR	-	Free On Rail
FOS	-	Fuel Oil Surcharge
FOT	-	Free On Truck
	-	Fuel Oil Tank
FOW	-	Free On Wharf
	-	Free On Wagon
	-	First Open Water
FPA	-	Free Of Particular Average
FPDSO	-	Floating Production, Drilling, Storage and Offloading
FPSO	-	Floating Production, Storage and Offloading
FPT	-	Fore Peak Tank
FROF	-	Fire Risk On Freight
FRP	-	Fibreglass Reinforced Plastic
FRT	-	Freight
FSO	-	Floating Storage & Offloading
FSU	-	Floating Storage Unit
FTW	-	Free Trade Wharf
FW	-	Fresh Water
FWA	-	Fresh Water Allowance
FWAD	-	Fresh Water Arrival Draught
FWDD	-	Fresh Water Departure Draught
FWE	-	Finished With Engine
FYG	-	For Your Guidance
FYI	-	For Your Information
FYT	-	Follow Your Telex

GA	-	General Arrangement
	-	General Average
GATT	-	General Agreement on Tariff and Trade
G/B	-	Grain/Bales
G-H	-	Gibraltar-Hamburg
GL	-	Germanischer Lloyd (German Classification Society)
GLONASS	-	Global Navigation Satellite System
GMDSS	-	Global Maritime Distress and Safety System
GMT	-	Greenwich Meridian Time
GNS	-	German North Sea
GO	-	Gas Oil
GOC	-	General Operator Certificate
GP	-	General Purpose
GPS	-	Global Positioning System
GPU	-	Generator Protection Unit
GRI	-	General Rate Increase
GRT	-	Gross Registered Tonnage
GT	-	Greenwich Time
	-	Gross Tonnage
GW	-	Gale Warning
	-	Gross Weight

HA	-	Hatch
HAT	-	Highest Astronomical Tide
HBF	-	Harmless Bulk Fertiliser
HD	-	Half Despatch
HDLTSBENDS	-	Half Despatch Lay Time Saved Both Ends
HFO	-	Heavy Fuel Oil
H-H	-	Harve-Hamburg
HHDW	-	Heavy Handy Deadweight
HHDWS	-	Heavy Handy Deadweight Scrap
HHW	-	Higher High Water
HHWI	-	Higher High Water Interval
HHWL	-	Highest High Water Level
HLA	-	Heavy Lift Additional
HLW	-	Higher Low Water
HLWI	-	Higher Low Water Interval
HMB	-	Heavy Motor Blocks
HMS	-	Heavy Metal Scraps
	-	Her Majesty's Ships
HO	-	Holds
HP	-	Horse Power
HR	-	Hellenic Register of Shipping
HSC	-	International Code for Safety of High Speed Craft
HSD	-	High Speed Diesel
HSS	-	Heavy Grains, Soyabeans and Sorghums
HTS	-	High Tensile Steel
HW	-	High Water
HWI	-	High Water Interval
HWLI	-	High Water Lunitidal Interval
HWM	-	High Water Mark
HWN	-	High Water Neaps
HWONT	-	High Water Ordinary Neap Tide
HWOST	-	High Water Ordinary Spring Tide
HWS	-	High Water Spring
HWT	-	High Water Time

IACS	-	International Association of Classification Societies
IAF	-	Inflation Adjustment Factor
IALA	-	International Association of Lighthouse Authorities
IAPH	-	International Association of Ports and Harbours
IAPP	-	International Air Pollution Prevention
IBC	-	International Code for the Construction and Equipment of Ships Carrying Dangerous Chemicals in Bulk
IBIA	-	International Bunker Industry Association Ltd
IBS	-	Isthmus Bureau of Shipping
ICC	-	International Chamber of Commerce
	-	Institute Cargo Clauses
ICS	-	International Chamber of Shipping
ICS	-	Institute of Chartered Shipbrokers
IDL	-	International Date Line
IFF	-	Institute of Freight Forwarders
IFO	-	Intermediate Fuel Oil
IFP	-	Interim Fuel Participation factor
IGC	-	International Code for the Construction and Equipment of Ships Carrying Liquefied Gases in Bulk
IGS	-	Inert Gas System
IHO	-	International Hydrographic Organisation
IHP	-	Indicated Horse Power
ILOHC	-	In Lieu Of Hold Cleaning
IMB	-	International Maritime Bureau
IMDG	-	International Maritime Dangerous Goods code
IMO	-	International Maritime Organisation
IMOSAR	-	IMO Search and Rescue manual
IMPA	-	International Marine Purchasing Association
INF	-	International Code for the Safe Carriage of Packaged Irradiated Nuclear Fuel, Plutonium and High-Level Radioactive Wastes on Board Ships
INMARSAT	-	International Maritime Satellite Organisation
INTERTANKO	-	International Association of Independent Tanker Owners
IOPP	-	International Oil Pollution Prevention
IOR	-	Indian Ocean Region
IP	-	Institute of Petroleum
IRO	-	In Respect Of
IRS	-	Indian Register of Shipping
ISDN	-	Integrated Services Digital Network
ISF	-	International Shipping Federation
ISGOTT	-	International Safety Guide for Oil Tankers and Terminals
ISM	-	International Safety Management code
ISMA	-	International Ship Managers Association
ISO	-	International Organisation for Standardisation
ISPP	-	International Sewage Pollution Prevention
ISPS	-	International Ship and Port Facility Security Code
ITF	-	International Transport Workers' Federation
ITIC	-	International Transport Intermediaries' Club
IU	-	If Used
IUHTAUTC	-	If Used, Half Time Actually To Count
IUMI	-	International Union of Marine Insurance
IWL	-	Institute Warranty Limits
IWO	-	In Way Of

J & WO	-	Jettison & Wash Overboard
JIT	-	Just In Time

KD	-	Knocked Down
KR	-	Korean Register of Shipping
KT	-	Kiloton
KTS	-	Knots
KVA	-	Kilovolt-Ampere
KW	-	Kilowatt

LASH	-	Lighter Aboard Ship
LAT	-	Latitude
	-	Lowest Astronomical Tide
LAY/CAN	-	Laydays/Cancelling
LBP	-	Length Between Perpendiculars
LCL	-	Less than Container Load
	-	Loose Container Load
L/D	-	Loading/Discharging
LCF	-	Longitudinal Centre of Flotation
LDD	-	Loaded
LDF	-	Light Distillate Feedstock
LDG/UNLDG	-	Loading/Unloading
LDPT	-	Load Port
LES	-	Land Earth Station
LFL	-	Lower Flammable Limit
LHW	-	Low High Water
LHWI	-	Low High Water Interval
LIFO	-	Liner In Free Out
LISCR	-	Liberian International Ship & Corporate Registry
LLA	-	Long Length Additional
LLW	-	Lower Low Water
LLWI	-	Lower Low Water Interval
LLWL	-	Lowest Low Water Level
LM	-	Lane Metre
LMSS	-	Land Mobile Satellite Service
LNG	-	Liquefied Natural Gas
LO	-	Lubricating Oil
LO/LO	-	Lift On/Lift Off
LOA	-	Length Overall
LOF	-	Lloyd's Open Form
LOI	-	Letter Of Indemnity
LOP	-	Line Of Position
LPG	-	Liquefied Petroleum Gas
LR	-	Lloyd's Register of Shipping
LS	-	Lump Sum
LSA	-	Life Saving Appliances
LS&D	-	Landing, Storage and Delivery Charge
LT	-	Local Time
	-	Long Ton
	-	Liner Terms
	-	Lumber Tropical (loadline)
LTF	-	Lumber Tropical Fresh water (loadline)
LW	-	Lumber Winter (loadline)
LWL	-	Load Water Line
	-	Low Water Level
LWNA	-	Lumber Winter North Atlantic load line
LWONT	-	Low Water Ordinary Neap Tide
LWOST	-	Low Water Ordinary Spring Tide

MARPOL	-	International Convention for the Prevention of Pollution from Ships
MBL	-	Minimum Breaking Load
MCA	-	Maritime and Coastguard Agency
MCO	-	Maximum Continuous Output
MCR	-	Maximum Continuous Rating
MDO	-	Marine Diesel Oil
MED	-	Mediterranean
MEES	-	Middle East Emergency Surcharge
MEPC	-	Maritime Environment Protection Committee
MERSAR	-	Merchant Ship Search and Rescue manual
MES	-	Mobile Earth Station
MFO	-	Marine Fuel Oil
MGO	-	Marine Gas Oil
MGW	-	Maximum Gross Weight
MHHW	-	Mean Higher High Water
MHHWS	-	Mean Higher High Water Spring
MHLW	-	Mean Higher Low Water
MHW	-	Mean High Water
MHWI	-	Mean High Water Interval
MHWN	-	Mean High Water Neaps
MHWS	-	Mean High Water Springs
MLB	-	Mini Land Bridge
MLD	-	Moulded
MLHW	-	Mean Lower High Water
MLLW	-	Mean Lower Low Water
MLLWS	-	Mean Lower Low Water Spring
MLW	-	Mean Low Water
MLWI	-	Mean Low Water lunitidal Interval
MLWN	-	Mean Low Water Neaps
MLWS	-	Mean Low Water Springs
MID	-	Maritime Identification Digits
MMSS	-	Maritime Mobile Satellite Service
MOB	-	Man Over Board
MODU	-	Mobile Offshore Drilling Unit
MOL	-	More Or Less
MOLCO	-	More Or Less Charterer's Option
MOLOO	-	More Or Less Owner's Option
MOT	-	Ministry Of Transport
M/R	-	Mate's Receipt
MS	-	Motor Ship
MSA	-	Marine Safety Agency
	-	Merchant Shipping Act
MSB	-	Main Switch Board
MSC	-	Maritime Safety Committee
MSG	-	Message
MSI	-	Maritime Safety Information
MSL	-	Mean Sea Level
M/T	-	Motor Tanker
MT	-	Motor Tanker
	-	Metric Ton
	-	Empty
MTBE	-	Metyl Tertiary Butyl Ether
MTC	-	Moment to change Trim per Centimetre
MTD	-	Multimodal Transport Document
MTL	-	Mean Tide Level
MTO	-	Multimodal Transport Operator
M/V	-	Motor Vessel
MV	-	Motor Vessel