O.O.

Owner’s option.

o.t.

Overtime.

O/B

On board.

O/C

Open charter; ore carrier

O/D

Over deck.

O/O

Oil/ore (or ore/oil) carrier.

o/w

Outward.

oa

Overall

OA OK

Overage okay.

oaaoop

On arrival at or of the port.

OABE

Owners agents both ends

OAFSP

On arrival first sea pilot.

OAGE

Overage.

OAHPS

On arrival harbour pilot station

OAL

Overall length (same as LOA).

OAPEC

Organisation of Arabic Petroleum Exporting Countries.

OBO

Oil, bulk, ore carrier.

OBQ

On board quantity.

Oc B/L

Ocean bill of lading.

OCC

Outward clearance certificate; Oil Co-ordination Committee.

OCIMF

Oil Companies International Marine Forum

ODM

Oil discharge monitor

OECD

Organisation for Economic Co-operation and Development.

O-H (O/H)

Off-hire.

OHBC

Open hatch bulk carrier.

OO

Owners Option

OPA

(US) Oil Pollution Act, 1990 or Owners Protecting Agent

OPEC

Organisation of Petroleum Exporting Countries.

OPT(opt)

Option.

OSB

One safe berth.

OSD/CSD

Open shelter deck or closed shelter deck (vessel).

OSH

Open Shelter Deck

OSP

One safe port.

OSPB

One safe port or berth.

OSV

Offshore supply vessel.

OWS

Owners

P & I (PANDI)

Protection and Indemnity (Club).

P + C (P AND C)

Private and confidential.

p.f.t.

Per freight ton.

p.p. (pp)

Picked ports.

p.p.i.

Policy proof of interest.

p.t. (PT)

Per ton; private terms.

PA (P/A)

Particular average.

PAD

Pacific Australia Direct

PASTUS

Past Us

PB

Permanent bunkers; poop and bridge.

PBF

Poop, bridge and forecastle.

PC

Period of Charter, Port Clearance

pc

Part cargo, parcel cargo.

PCC

Pure car carrier.

PCGO

Part Cargo

PCM

Per calender month (hire).

PCNT

Panama Canal Net Tonnage.

PCO (PICO)

Port in charterer’s option.

PCT

Percent

PCTC

Pure car and truck carrier.

PD

Port dues.

PDPR

Per day pro-rata.

PER SE

By Itself

PERDIEM

By the Day

PG (P/G)

Persian Gulf (also, referred as AG = Arabian Gulf)

PHC

Port handling charges.

PHD

Per hatch per day.

PHO

Port health officer.

PHPD

Per Hatch Per Day

PIC

Person in charge.

PIOPIC

P & I Oil Pollution Indemnity Clause.

PLS

Please

PMO

Passing Muscat outbound

PMT

Per metric ton.

POA

Place of acceptance.

POB

Pilot on board.

poc (POC)

Port of call.

pod (POD)

Port of Discharge

POL

Petroleum, oil and lube Or Port of Loading

por (POR)

Port of refuge.

PPS

Pumps (capacity in cubic metres).

PPT

Prompt

PPUK

Picked ports of U.K

PQ

Province of Quebec.

PRC

People’s Republic of China.

PSG

Passing

PSI

Pounds per square inch; pre shipment inspection.

pssg (PSSG)

Passing.

PST

Pacific Standard Time.

pt B

Port bunkers.

PUS

Past us.

PWWD

Per Weather Working day

q.c

Quantity at Captain's option

q.n.

Quotation.

qlty

Quality.

Quad

Canada, EC, Japan & US

QWT

Quay weight

R of T

Range of tide.

r.d.

Running days.

R/E

Rate of exchange.

R/P

Return to port for orders.

R/T

Revenue ton.

R/V (RV)

Round voyage.

RAPL

Rotterdam – Amsterdam Pipeline.

RBAY

Richards Bay

RBCT

Richards Boy Coal Terminal.

RCN

Research octane number.

RCVR

Receivers

RDC (rdc)

Running down clause.

Rds

Roads.

Re-cap

Recapitulation (summary of main points).

RED

Rate, extras demurrage.

REDEL

Re-delivery.

RELET

To sub-charter

RNR

Rate not reported.

Roads (roads)

Anchorage Area

ROB

Remaining on board.

RORO (ro-ro)

Roll-on/roll-off (vessel).

RPM

Revolutions (or rotations) per minute.

RPS

Revolutions (or rotations) per second.

RPT

Repeat.

RT

Right time of ship departure/arrival or rye terms.

RT

Revenue Tonne

RTBA

Rate to be agreed.

RTD

Round trip distance.

RUW

Ruwais (port)