U.S. DEPARTMENT OF TRANSPORTATION
FEDERAL AVIATION ADMINISTRATION
Air Traffic Organization Policy

ORDER
JO 7340.2D
Effective Date:
May 2, 2013
 
     

Subject:  Contractions
       Includes: Change 1 effective 8/22/13 and Change 2 effective 12/12/13    
 

[Back to Section 1. Decode]

R

Contraction

Definition

Usage

R

Acknowledgement of receipt (message handling)

GEN

R

Received (acknowledgement of receipt)

ICAO

R

restricted area (followed by identification)

ICAO

R

right (runway identification)

ICAO

R

runway (used in RVR measurement)

METAR

R/O

receive only

GEN

R/OC

receive, only centers

GEN

RA

rain

METAR

RAAF

Royal Australian Air Force

GEN

RABA

no RAWIN obs., no balloons available

NWS

RABAL

radiosonde balloon wind data

NWS

RABAR

radiosonde balloon release

NWS

RAC

request altitude change

ATC

RAC

rules of the air and air traffic services

ICAO

RACE

request altitude changes en route

ATC

RACFI

radio and communication facilities inoperative

GEN

RACO

no RAWIN obs., communications out

NWS

RACON

radar responder beacon

GEN

RADAT

radiosonde observation data

NWS

RADEP

radar departure

ATC

RADNO

report missing account radio failure

NWS

RADON

radar beacon

GEN

RADU

weather radar analysis and development unit

GEN

RAF

Royal Air Force

GEN

RAFC

regional area forecast center

ICAO

RAFI

radiosonde observation not filed

NWS

RAFRZ

radiosonde observation freezing levels

NWS

RAG

ragged

ICAO

RAG

runway arresting gear

ICAO

RAGF

remote air­ground facility

GEN

RAHE

no RAWIN obs., no gas available

NWS

RAI

runway alignment indicator

ICAO

RAICG

radiosonde observation icing at

NWS

RAIL

runway alignment indicator lights

GEN

RAIM

Receiver Autonomous Integrity Monitoring

ATC

RAIM

Receiver autonomous integrity monitoring

ICAO

RAJAM

radar jamming

ATC

RALT

regardless of altitude

ATC

RAM

returned account mechanical

GEN

RAOB

radiosonde observation

NWS

RAPCON

radar approach control

GEN

RAPI

radiosonde report already sent in PIBAL collection

GEN

RARAD

radar advisory

GEN

RAREP

radar weather report

NWS

RASC

Regional AIS system centre

ICAO

RASH

rain showers

ICAO

RASN

rain and snow or showers of rain and snow

METAR

RATCF

radar ATC facility (USN)

GEN

RAVU

radiosonde analysis and verification unit

NWS

RAWE

no RAWIN obs., unfavorable weather

NWS

RAWI

no RAWIN obs., high and gusty winds

NWS

RAWIN

upper winds obs. (by radio methods)

NWS

RAWX

returned account weather

GEN

RB

rescue boat

ICAO

RB

right base

ATC

RBDE

radar bright display equipment

GEN

RBN

radio beacon

GEN

RBOC

report back on course

ATC

RBOF

report back on frequency

ATC

RBS

radar bomb scoring

GEN

RBS PP(RBS+++)

ration by schedule plus compression

ATC

RC

reverse course

ATC

RC

road reconnaissance

GEN

RCA

reach cruising altitude

ICAO

RCADV

reverse course and advise

ATC

RCAG

remote communications air/ground facility

GEN

RCALT

reach cruising altitude

ATC

RCC

Rescue Coordination Center

GEN

RCD

radar cloud detection report

NWS

RCDNA

radar cloud detection report not available

NWS

RCDNE

radar cloud detection report no echoes observed

NWS

RCDNO

radar cloud detector inoperative due to breakdown until

NWS

RCDOM

radar cloud detector inoperative due to maintenance until

NWS

RCF

radio communication failure

ICAO

RCF

radiocommunication failure

ICAO

RCF

remain on company frequency

ATC

RCH

reach

GEN

RCH

reach ­ call sign for U.S. AirForce, Air Mobility Command (USAFAMC)

MIL

RCK

radio check

ATC

RCKY

Rockies (mountains)

NWS

RCL

runway center line

ICAO

RCLL

runway center line lights

ICAO

RCLM

runway centerline marking

GEN

RCLR

radio communications link repeater

GEN

RCLS

runway centerline light system

GEN

RCLT

radio communications link terminal

GEN

RCMD

recommend

GEN

RCN

Royal Canadian Navy

GEN

RCO

remote communication outlet

GEN

RCOM

en route communications

GEN

RCON

reconfiguration

ATC

RCPT

receipt

GEN

RCR

runway condition reading

GEN

RCRD

record

GEN

RCS

Rehost Computer System

ATC

RCV

receive

GEN

RCVNO

receiving capability out

GEN

RDARA

regional and domestic air route area

GEN

RDAT

radar data (digitized)

GEN

RDC

reduce

GEN

RDG

ridge

NWS

RDH

reference datum height (ILS)

ICAO

RDL

radial

ICAO

RDO

radio

ICAO

RDS

radius

GEN

RDSP

redispatch

GEN

RDSPA

redispatch accepted

GEN

RDWND

radar dome wind

NWS

RE

regard

GEN

REBAT

reference BATCS report

GEN

REC

receive or receiver

ICAO

RECLR

recleared

ICAO

RECON

reconnaissance

GEN

RECON

reference conversation

GEN

REDL

runway edge light

ICAO

REF

reference

GEN

REFONE

reference our telephone conversation

GEN

REFORM

reference form

GEN

REG

registration

ICAO

REG

regulation

GEN

REGAL

range and elevation guidance for approach and landing

ATC

REIB

report established in block

ATC

REIL

runway end identifier lights

GEN

REINV

reference invoice

GEN

RELBL

reliable

GEN

RELCT

relocate

GEN

RELET

reference letter

GEN

REMES

reference message

GEN

REMT

relief electronic maintenance technician

GEN

RENL

runway end light

ICAO

RENOT

regional office notice

GEN

REOC

report when established on course

ATC

REP

report or reporting point

ICAO

REP

represent or representative

GEN

REP

research project

GEN

REPAML

reply by airmail

GEN

REPBS

reference PBS message

GEN

REPERF

reperforator

GEN

REPMES

reply by message

GEN

REPML

reply by mail

GEN

REPTWX

reply by TWX

GEN

REQ

request

GEN

REQID

request if desired

GEN

REQON

request consideration

GEN

REQRCM

request your recommendation

GEN

REQSTD

requested

GEN

RERTE

reroute

ICAO

RES

reserve

GEN

RES

resident

GEN

RESA

Runway end safety area

ICAO

RESP

response

GEN

RESTR

restrict

NWS

REWRC

report when established well to right of course

ATC

RF

radio frequency

GEN

RF

reception fair (radio logs only)

ATC

RFA

request further airways

ATC

RFI

radio frequency interference

GEN

RFI

ready for issue

GEN

RFL

refuel

GEN

RFS

refuse

GEN

RFTO

ready for take­off

ATC

RG

range (lights)

ICAO

RG

reception good (radio logs only)

ATC

RGD

ragged

NWS

RGLR

regular

GEN

RGN

region

GEN

RH

relative humidity

NWS

RHC

Right­hand circuit

ICAO

RHI

range height indicator

GEN

RHINO

radar echo height information not available

NWS

RHINO

radar range height indicator not operating on scan

NWS

RIF

reclearance in flight

ICAO

RIF

reduction in force

GEN

RIMAT

must ride company material

GEN

RIOGD

Rio Grande

NWS

RIS

reports identification symbol

GEN

RITC

Request in Trail Climb

ATC

RITD

Request in Trail Descent

ATC

RITE

right (direction of turn)

ICAO

RL

report immediately upon leaving

ATC

RL

report leaving

ICAO

RLA

relay to

ICAO

RLANO

relay equipment out of operation

GEN

RLAOK

relay equipment resumed operation

GEN

RLBG

relative bearing

GEN

RLC

report landing completed

ATC

RLCE

request level change en route

ICAO

RLETFL

report leaving each thousand foot level

ATC

RLLS

runway lead­in lighting system

ICAO

RLNA

request level not available

ICAO

RLS

release

GEN

RLSTN

relay station

GEN

RLTK

rhumbline track

ATC

RLTV

relative

GEN

RLV

relieve

GEN

RLVL

report level

GEN

RM

remarks (PIREP only)

ATC

RMK

remark

ICAO

RMLR

radar microwave link repeater

GEN

RMLT

radar microwave link terminal

GEN

RMN

remain

GEN

RMPCK

ramp check

ATC

RMRK

remark

GEN

RN

reception nil (radio logs only)

ATC

RNAV

area navigation

ICAO

RNFL

rainfall

NWS

RNG

Army National Guard

GEN

RNG

radio range

ICAO

RNLS

resume normal speed

ATC

RNP

required navigation performance

ICAO

RO

regional office

GEN

RO

regulated output

GEN

ROBEPS

radar operating below prescribed standard

NWS

ROBEX

regional OPMET bulletin exchange

ICAO

ROC

rate of climb

ICAO

ROCC

NORAD Region Operations Control Center

GEN

ROD

rate of descent

ICAO

RODA

regardless of destination airport

ATC

ROFOR

route forecast

ICAO

ROLET

reference letter from our office

GEN

ROMEMO

reference our memorandum

GEN

ROMES

reference message from our office

GEN

RON

remaining overnight

GEN

ROPBS

reference PBS message from our office

GEN

RORQN

reference requisition from our office

GEN

RORU

rest of route unchanged

ATC

ROT

rotate

GEN

ROTEL

reference telegram from our office

GEN

ROTG

rotating

GEN

ROTWX

reference our TWX

GEN

ROV

report over

ATC

RP

reception poor (radio logs only)

ATC

RP

right traffic pattern

ATC

RPA

request present altitude

ATC

RPD

rapid

NWS

RPFOD

reported for duty

GEN

RPI

Radar position indicator

ICAO

RPL

repetitive flight plan

ICAO

RPLC

replace

GEN

RPM

rotation per minute

GEN

RPOC

report proceeding on course

ATC

RPR

repair

GEN

RPRT

report

GEN

RPS

radar position symbol

ICAO

RPSG

report passing

ATC

RPT

repeat

GEN

RPT

Repeat or I repeat

ICAO

RQ

Indication of a request

ICAO

RQ

request

GEN

RQCL

request clearance

ATC

RQDCZ

request clearance to depart VFR and leave control zone at

ATC

RQECZ

request clearance to enter control zone VFR at

ATC

RQMNTS

requirements

ICAO

RQN

requisition

GEN

RQOF

request on file

ATC

RQP

request flight plan

ICAO

RQP

request permission

GEN

RQPP

request present position

ATC

RQR

require

GEN

RQRP

request reply

GEN

RQS

request supplementary flight plan

ICAO

RQTAO

request time and altitude over

ATC

RR

low or medium frequency radio range stations

GEN

RR

radar range station

GEN

RR

report immediately upon reaching

ATC

RR

report reaching

ICAO

RRBN

round robin

ATC

RRCVR

remote receiver

GEN

RRL

runway remaining lights

GEN

RRP

runway reference point

GEN

RRPD

runway reference point downwind

GEN

RRPU

runway reference point upwind

GEN

RRS

remainder of same route

ATC

RRTE

reroute

ATC

RS

receiver station

GEN

RS

record special observation (weather reports only)

NWS

RS

right side

ATC

RSC

rescue sub­center

ICAO

RSCD

runway surface condition

ICAO

RSCU

rescue

GEN

RSG

rising

NWS

RSN

reason

GEN

RSOPN

resumed operation

GEN

RSP

responder beacon

ICAO

RSR

en route surveillance radar

ICAO

RSTR

restrict

GEN

RSU

runway supervisory unit

GEN

RSVN

reservation

GEN

RT

right turn after take­off

ATC

RT

round trip

GEN

RTB

return to base

ATC

RTD

delayed

ICAO

RTE

route

GEN

RTF

radiotelephone

GEN

RTG

radiotelegraph

GEN

RTHL

runway threshold light

ICAO

RTMTR

remote transmitter

GEN

RTN

return

ICAO

RTND

retained

GEN

RTNE

routine

GEN

RTO

report time over

ATC

RTR

remote transmitter/receiver

ATC

RTR

returning to ramp

ATC

RTRD

retard

GEN

RTRN

return

GEN

RTS

return to service

GEN

RTT

radioteletypewriter

GEN

RTX

report time crossing

ATC

RTZL

runway touchdown zone light

ICAO

RUF

rough

NWS

RUFORM

reference your form

GEN

RULET

reference letter from your office

GEN

RUMEMO

reference your memorandum

GEN

RUMES

reference message from your office

GEN

RURQN

reference requisition from your office

GEN

RUT

standard regional route transmitting frequencies

ICAO

RUTEL

reference telegram from your office

GEN

RUTWX

reference your TWX

GEN

RV

radar vector

ATC

RV

rescue vessel

ICAO

RVO

runway visibility by observer

GEN

RVR

runway visual range

ICAO  

RVRA

RVR ten minute average

GEN

RVRANO

RVR ten minute average not available

GEN

RVRENO

RVR ten minute extremes not available

GEN

RVRM

RVR midpoint

GEN

RVRMNO

RVR midpoint not available

GEN

RVRNO

RVR not available

GEN

RVRR

RVR rollout

GEN

RVRRNO

RVR rollout not available

GEN

RVRT

RVR touchdown

GEN

RVRTNO

RVR touchdown not available

GEN

RVS

revise

GEN

RVV

runway visibility value

GEN

RVVNO

RVV not available

GEN

RWRC

remain well to right of course

ATC

RWY

runway

ICAO

RY

runway

GEN

 

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