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

CIQ

Customs Immigration Quarantine

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

Care Of

CLC

Civil Liability Convention of 1969

COA

Contract Of Affreightment

COACP

Contract Of Affreightment Charter Party

COB

Close Of Business

COC

Certificate Of Competency

Carrier Owned Container

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

Integrated Bridge System

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

NAABSA

Not Always Afloat But Safely Aground

NCAD

Notice of Cancellation at Anniversary Date

NCSA

North Coast South America

NCV

No Commercial Value

NDT

Non-Destructive Testing

NEOBIG

Not East Of But Including Greece

NEP/S

Not Elsewhere Provided/Stated

NIMA

National Imagery and Mapping Agency

NKK

Nippon Kaiji Kyokai (Japanese Classification Society)

NLS

Noxious Liquid Substances

NMEA

National Marine Electronics Association

NOAA

The United States National Oceanic and Atmospheric Administration

NOE

Notice of Exception

Not Otherwise Enumerated

NOP

Not Otherwise Provided

NOR

Notice Of Readiness

NORA

Notice Of Readiness Accepted

NORT

Notice Of Readiness Tendered

NOS

Not Otherwise Specified

NPA

National Petroleum Association

NR

No Risk

NRAD

No Risk After Discharge

NRT

Net Registered Tonnage

NS

Nuclear Ship

NSA

Non-Separation Agreement

NSPF

Not Specially Provided For

N/T

New Terms

NT

Net Tonnage

NTM

Notice to Mariners

NUC

Not Under Command

NVO

Non-Vessel Operating

NVOC

Non-Vessel Owning Carrier

NVOCC

Non-Vessel Owning Common Carrier

NWE

North West Europe

NYPE

New York Produce Exchange form

OBO

Oil/Bulk/Ore

O/C

Open Charter

Ore Carrier

OCIMF

Oil Companies International Marine Forum

OCP

Over Common Point

OD

Outside Diameter

ODME

Oil Discharge Monitoring Equipment

ODP

Offshore Drilling Platform

OH

Off Hire

OHBC

Open Hatch Bulk Carrier

OO

Oil/Ore

Owner's Option

OOG

Out Of Gauge

OOW

Officer On Watch

OPA

Oil Pollution Act

OPEC

Organisation of Petroleum Exporting Countries

OPL

Off Port Limits

OPRHNS

Protocol on Preparedness, Response and Co-operation to Pollution incidents by Hazardous and Noxious Substances

OR

Owner's Risk

ORB

Owner's Risk of Breakage

ORC

Owner's Risk of Chafing

ORD

Owner's Risk of Damage

OS

Ordinary Seaman

OSB

One Safe Berth

OS&D

Over, Short and Damage (report)

OSD

Open Shelter Decker

Oil Spill Dispersant

OSP

One Safe Port

OSRA

Ocean Shipping Reform Act

OSV

Offshore Supply Vessel

OT

On Truck

Overtime

Oil Tight

OWS

Oily Water Separator

P&I

Protection And Indemnity

PANDI

Protection And Indemnity

P/CGO

Part Cargo

PCC

Pure Car Carrier

PCNT

Panama Canal Nett Tonnage

PCT

Percent

PDM

Physical Distribution Management

PDPR

Per Day Pro Rata

PEL

Permissible Exposure Limit

PER/DRF

Permissible Draught

PF

Power Factor

PFSO

Port Facility Security Officer

PG

Persian Gulf

PGF

Poincaré Gold Franc

PHPD

Per Hatch Per Day

PIC

Person In Charge

PL

Protective Location

PLTC'S

Port Liner Term Charges

PMQS

Provided Minimum Quantity Supplied

PMS

Plan Maintenance System

POB

Pilot On Board

POR

Pacific Ocean Region

PP

Picked Port(s)

Posted Price

Pre-Paid

PPE

Personal Protection Equipment

PPM

Parts Per Million

PPS

Precise Positioning System

PPT

Prompt Ship

PRS

Polski Rejestr Statkow (Polish Register of Shipping)

PSC

Port State Control

PSF

Pounds per Square Foot

PSI

Pounds per Square Inch

PSR

Panama Shipping Register

PT

Private Terms

PV

Pressure Vacuum (valve)

PWWD

Per Weather Working Day

QM

Quarter Master

QS

Quarantine Station

RCC

Rescue Coordination Centre

RCDS

Raster Chart Display System

RDC

Run Down Clause

RDF

Radio Direction Finder

REC

Spain's Special Register of Vessels of the Canary Islands

RECD

Received

RED

Rate, Extras, Demurrage

REDELY

Redelivery

RF

Range Finder

Radio Frequency

RH

Relative Humidity

Right Hand

RINA

Registro Italiano Navale (Italian Classification Society)

Royal Institute of Naval Architects

RINAV

Registro Internacional Naval SARL (Portuguese)

RLS

Royal Lifeboat Society

RMS

Root Mean Square

Royal Mail Service

RNR

Registrul Naval Roman (Romanian Register of Shipping)

Rate Not Reported

ROB

Remaining On Board

ROC

Restricted Operator Certificate

Reference Our Cable

RORO

Roll On/Roll Off

ROT

Reference Our Telex

ROV

Remotely Operated Vehicle

RPC

Remote Position Control

RPF

Radio Position Finding

RPM

Revolution Per Minute

RPS

Revolution Per Second

RPT

Repeat

RS

Russian Maritime Register of Shipping

Radio Station

R/T

Revenue Ton

RT

Radio Telephone

RTN

Return

RTW

Round The World

R/V

Round Voyage

RVP

Reid Vapour Pressure

RVT

Revert

RVTG

Reverting

RX

Receiver

RYC

Reference Your Cable

RYT

Reference Your Telex

S&P

Sale & Purchase

SAFCON

Cargo Ship Safety Construction Certificate

SANR

Subject to Approval, No Risk

SAR

Search And Rescue

SARSAT

Search And Rescue Satellite System

SART

Search And Rescue Radar Transponder

SATCOM

Satellite Communications

SB

Safe Berth

SBM

Single Buoy Mooring

SBS

Surveyed Before Shipment

SBT

Segregated Ballast Tank

SC

Salvage Charges

Short Circuit

SCNT

Suez Canal Nett Tonnage

SD

Sailing Date

Short Delivery

Standard Design

Single Decker

SDR

Special Drawing Rights

SF

Safety Factor

Stowage Factor

Shear Force

SG

Specific Gravity

SHEX

Sundays, Holidays Excluded

SHINC

Sundays, Holidays Included

SHP

Shaft Horse Power

SIGTTO

Society of International Gas Tanker and Terminal Operators

SLA

Single Line Approach

SMC

Safety Management Certificate

SMS

Safety Management System

S/N

Shipping Note

SNST

Soonest

S/O

Shipping Order

SOC

Shipper Owned Carrier

SOF

Statement Of Facts

SOFAR

Sound Fixing And Ranging

SOL

Shipowner's Liability

SOLAS

The International Convention for the Safety Of Life At Sea

SONAR

Sound Operation Navigation And Range

SOPEP

Ship and Shore Oil Pollution Emergency Plan

SP

Safe Port

SPC

Self-Polishing Copolymers

SPD

Steamer Pays Dues

SPM

Single Point Mooring

SRL

Ship Repairer's Liability

SS

Special Survey

Steam Ship

SSB

Single Side Band

SSHEX

Saturdays, Sundays, Holidays Excluded

SSHINC

Saturdays, Sundays, Holidays Included

SSN

Standard Shipping Note

SSO

Ship Security Officer

SSW

Summer Salt Water

ST

Short Ton

Standard Time

STBY

Standby

STC

Said To Contain

STCW

Standards of Training, Certification and Watchkeeping (convention)

STD

Standard

STEL

Short Term Exposure Limit

STL

Submerged Turret Loading

SWAD

Salt Water Arrival Draught

SWASH

Small Waterplane Area Single Hull

SWATH

Small Waterplane Area Twin Hull

SWBM

Still Water Bending Moment

SWDD

Salt Water Departure Draught

SWL

Safe Working Load

T&P

Theft & Pilferage

T&S

Touch & Stay

TBA

To Be Advised

To Be Agreed

To Be Announced

Tertiary Butyl Alcohol

TBN

To Be Named

To Be Nominated

Total Base Number

TBO

Time Between Overhauls

TBS

Talk Between Ships

T/C

Time Charter

TC

Time Charter

Till Countermanded

Time Closing

Temperature Coefficient

TCE

Time Charter Equivalent

TCP

Time Charter Party

TCT

Time Charter Trip

TD

Tween Deck

Temporarily Discontinued

TDC

Top Dead Centre

TDW

Total Deadweight

Tonnes Deadweight

TDWAT

Total Deadweight All Told

Tonnage Deadweight All Told

TE

Temporarily Extinguished

TEU

Twenty-foot Equivalent Unit

TF

Tropical Freshwater (loadline)

T&G

Tongued & Grooved (timber)

THC

Terminal Handling Charges

TIP

Taking Inward Pilot

TL

Total Load

Total Loss

TLO

Total Loss Only

TLX

Telex

TM

Technical Manual

T/O

Transfer Order

TOFC

Trailer on Flat Car

TOP

Taking Outbound Pilot

TOTOCOM

Total Commission

TOVALOP

Tanker Owners' Voluntary Agreement Concerning Liability for Oil Pollution

TPC

Tons Per Centimetre (immersion)

TPD

Tons Per Day

TPI

Tons Per Inch

TPT

Transport

TR

Ton Registered

TRND

To Be Renamed

TS

Thunderstorm

Tropical Storm

TSA

Transpacific Stabilisation Agreement

TSCF

Tanker Structure Co-operative Forum

TST

Topside Tank

TT

Turbine Tanker

Transit Time

T/T

Telegraphic Transfer

TVP

True Vapour Pressure

TW

Typhoon Warning

TWA

Time Weighted Average

TWRA

Transpacific West-bound Rate Agreement

UBC

Universal Bulk Carrier

UCAE

Unforeseen Circumstances Always Expected

UCT

Universal Co-ordinated Time

UFL

Upper Flammable Limit

UHF

Ultra High Frequency

UKC

UK - Continent

Under Keel Clearance

ULCC

Ultra Large Crude Carrier

ULCS

Ultra Large Containership

UMS

Unmanned Machinery Space

UNCTAD

United Nation's Conference On Trade And Development

USAC

United States Atlantic Coast

USC

Unless Sooner Commenced

USCG

United States Coast Guard

USEC

United States East Coast

USG

United States Gulf

USNH

United States North of Cape Hatteras

USSH

United States South of Cape Hatteras

USWC

United States West Coast

UT

Universal Time

UU

Unless Used

UUIWCTAUTC

Unless Used In Which Case Time Actually Used To Count

VA

Volt-Ampere

VATOS

Valid At Time Of Sale

V/C

Voyage Charter

Vehicle Container

VDR

Voyage Data Recorder

VEC

Vapour Emission Control

VHF

Very High Frequency

VIOS

Vessel Insurance and Operations Surcharge

VLCC

Very Large Crude Carrier

VLF

Very Low Frequency

VOCC

Vessel Operating Common Carrier

VOP

Value as in Original Policy

VOY

Voyage

VPD

Vessel Pays Dues

VSL

Vessel

W

Winter (loadline)

West

WA

With Average

W/B

Waybill

WBA

When Berth Available

WBT

Water Ballast Tank

WCCON

Whether Cleared Customs Or Not

WCSA

West Coast South America

WD

Wind Direction

WECM

Warranted Existing Class Maintained

WEF

With Effect From

WFA

With Following Alterations

WI

West Indies

WIBON

Whether In Berth Or Not

WICCON

Whether In Customs Clearance Or Not

WIFPON

Whether In Free Pratique Or Not

WIG

Wing-In-Ground (effect craft)

WIPON

Whether In Port Or Not

WL

Water Line

WLOH

Within Local Office Hours

WLTOHC

Waterline To Hatch Coaming

W/M

Weight or Measurement

W&M

War & Marine

WMO

World Meteorological Organisation

WNA

Winter North Atlantic (loadline)

WOG

Without Guidance

Without Guarantee

WP

Weather Permitting

W/P

Without Prejudice

WPA

With Particular Average

WRIC

Wire Rods In Coils

WRO

War Risk Only

WS

World Scale

WT

Wing Tank

Watertight

War Time

WTS

Working Time Saved

WTSBE

Working Time Saved Both Ends

WVNS

Within Vessel's Natural Segregation

WWD

Weather Working Days

WWDSHEX

Weather Working Days, Sundays and Holidays Excepted

WWR

When Where Ready

WWRCD

When Where Ready on Completion of Discharge

WWW

World Weather Watch

WWWW

WIBON, WCCON, WIFPON, WIPON

WX

Weather Message

YAR

York Antwarp Rules

ZST

Zone Standard Time

ZT

Zone Time