|
Definition
|
Contraction
|
Usage
|
|
radar
advisory
|
RARAD
|
GEN
|
|
radar
approach control
|
RAPCON
|
GEN
|
|
radar ATC
facility (USN)
|
RATCF
|
GEN
|
|
radar
beacon
|
RADON
|
GEN
|
|
radar bomb
scoring
|
RBS
|
GEN
|
|
radar
bright display equipment
|
RBDE
|
GEN
|
|
radar
cloud detection report
|
RCD
|
NWS
|
|
radar
cloud detection report no echoes observed
|
RCDNE
|
NWS
|
|
radar
cloud detection report not available
|
RCDNA
|
NWS
|
|
radar
cloud detector inoperative due to breakdown until
|
RCDNO
|
NWS
|
|
radar
cloud detector inoperative due to maintenance until
|
RCDOM
|
NWS
|
|
radar data
(digitized)
|
RDAT
|
GEN
|
|
radar
departure
|
RADEP
|
ATC
|
|
radar dome
wind
|
RDWND
|
NWS
|
|
radar echo
height information not available
|
RHINO
|
NWS
|
|
radar
jamming
|
RAJAM
|
ATC
|
|
radar
microwave link repeater
|
RMLR
|
GEN
|
|
radar
microwave link terminal
|
RMLT
|
GEN
|
|
radar
operating below prescribed standard
|
ROBEPS
|
NWS
|
|
Radar
position indicator
|
RPI
|
ICAO
|
|
radar
position symbol
|
RPS
|
ICAO
|
|
radar
range height indicator not operating on scan
|
RHINO
|
NWS
|
|
radar
range station
|
RR
|
GEN
|
|
radar
responder beacon
|
RACON
|
GEN
|
|
radar
track while scan
|
TWS
|
ATC
|
|
radar
vector
|
RV
|
ATC
|
|
radar
weather report
|
RAREP
|
NWS
|
|
radar
weather report equipment inoperative due to breakdown
|
PPINO
|
NWS
|
|
radar
weather report equipment inoperative due to maintenance
|
PPIOM
|
NWS
|
|
radar
weather report equipment operation resumed
|
PPIOK
|
NWS
|
|
radar
weather report no echoes observed
|
PPINE
|
NWS
|
|
radar
weather report not available (or omitted for a reason different than those
otherwise stated)
|
PPINA
|
NWS
|
|
radial
|
RDL
|
ICAO
|
|
radio
|
RDO
|
ICAO
|
|
radio and
communication facilities inoperative
|
RACFI
|
GEN
|
|
radio
beacon
|
RBN
|
GEN
|
|
radio
check
|
RCK
|
ATC
|
|
radio
communication failure
|
RCF
|
ICAO
|
|
radio
communications link repeater
|
RCLR
|
GEN
|
|
radio
communications link terminal
|
RCLT
|
GEN
|
|
radio
frequency
|
RF
|
GEN
|
|
radio
frequency interference
|
RFI
|
GEN
|
|
radio
range
|
RNG
|
ICAO
|
|
radiocommunication
failure
|
RCF
|
ICAO
|
|
radiosonde
analysis and verification unit
|
RAVU
|
NWS
|
|
radiosonde
balloon release
|
RABAR
|
NWS
|
|
radiosonde
balloon wind data
|
RABAL
|
NWS
|
|
radiosonde
observation
|
RAOB
|
NWS
|
|
radiosonde
observation data
|
RADAT
|
NWS
|
|
radiosonde
observation freezing levels
|
RAFRZ
|
NWS
|
|
radiosonde
observation icing at
|
RAICG
|
NWS
|
|
radiosonde
observation not filed
|
RAFI
|
NWS
|
|
radiosonde
report already sent in PIBAL collection
|
RAPI
|
GEN
|
|
radiotelegraph
|
RTG
|
GEN
|
|
radiotelephone
|
RTF
|
GEN
|
|
radioteletypewriter
|
RTT
|
GEN
|
|
radius
|
RDS
|
GEN
|
|
ragged
|
RAG
|
ICAO
|
|
ragged
|
RGD
|
NWS
|
|
rain
|
RA
|
METAR
|
|
rain and
snow or showers of rain and snow
|
RASN
|
METAR
|
|
rain
showers
|
RASH
|
ICAO
|
|
rain
showers
|
SHRA
|
METAR
|
|
rainfall
|
RNFL
|
NWS
|
|
ramp check
|
RMPCK
|
ATC
|
|
range
(lights)
|
RG
|
ICAO
|
|
range and
elevation guidance for approach and landing
|
REGAL
|
ATC
|
|
range
height indicator
|
RHI
|
GEN
|
|
rapid
|
RPD
|
NWS
|
|
rate of
climb
|
ROC
|
ICAO
|
|
rate of
descent
|
ROD
|
ICAO
|
|
ration by
schedule plus compression
|
RBS PP
(RBS++)
|
ATC
|
|
reach
|
RCH
|
GEN
|
|
reach
call sign for U.S. AirForce, Air Mobility Command (USAFAMC)
|
RCH
|
MIL
|
|
reach
cruising altitude
|
RCA
|
ICAO
|
|
reach
cruising altitude
|
RCALT
|
ATC
|
|
ready for
issue
|
RFI
|
GEN
|
|
ready for
takeoff
|
RFTO
|
ATC
|
|
reason
|
RSN
|
GEN
|
|
receipt
|
RCPT
|
GEN
|
|
receive
|
RCV
|
GEN
|
|
receive
|
REC
|
ICAO
|
|
receive
only
|
R/O
|
GEN
|
|
receive,
only centers
|
R/OC
|
GEN
|
|
Received
(acknowledgement of receipt)
|
R
|
ICAO
|
|
Receiver
Autonomous Integrity Monitoring
|
RAIM
|
ATC
|
|
Receiver
autonomous integrity monitoring
|
RAIM
|
ICAO
|
|
receiver
station
|
RS
|
GEN
|
|
receiving
capability out
|
RCVNO
|
GEN
|
|
reception
fair (radio logs only)
|
RF
|
ATC
|
|
reception
good (radio logs only)
|
RG
|
ATC
|
|
reception
nil (radio logs only)
|