Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
R
- Abbreviationreach cruising altitude
RCA stands for reach cruising altitude in FAA terminology.
- AbbreviationReal-time Weather Processor
RWP stands for Real-time Weather Processor in FAA terminology.
- Abbreviationreceive, only centers
R/OC stands for receive, only centers in FAA terminology.
- AbbreviationReceived (acknowledgement of receipt)
R stands for Received (acknowledgement of receipt) in FAA terminology.
- OperationsRECEIVER AUTONOMOUS INTEGRITY MONITORING (RAIM)
A technique whereby a civil GNSS receiver/processor determines the integrity of the GNSS navigation signals without reference to sensors or non‐DoD integrity systems other than the receiver itself.
- Abbreviationreceiving capability out
RCVNO stands for receiving capability out in FAA terminology.
- Abbreviationreception fair (radio logs only)
RF stands for reception fair (radio logs only) in FAA terminology.
- Abbreviationreception good (radio logs only)
RG stands for reception good (radio logs only) in FAA terminology.
- Abbreviationreception nil (radio logs only)
RN stands for reception nil (radio logs only) in FAA terminology.
- Abbreviationreception poor (radio logs only)
RP stands for reception poor (radio logs only) in FAA terminology.
- Abbreviationreclearance in flight
RIF stands for reclearance in flight in FAA terminology.
- Abbreviationrecord observation (weather reports only)
SA stands for record observation (weather reports only) in FAA terminology.
- Abbreviationrecord special observation (weather reports only)
RS stands for record special observation (weather reports only) in FAA terminology.
- AbbreviationReduced Vertical Separation Minimum
Reduced vertical separation minimum in designated upper airspace.
- Abbreviationreduction in force
RIF stands for reduction in force in FAA terminology.
- Abbreviationreference form
REFORM stands for reference form in FAA terminology.
- Abbreviationreference invoice
REINV stands for reference invoice in FAA terminology.
- Abbreviationreference letter
RELET stands for reference letter in FAA terminology.
- Abbreviationreference letter from your office
RULET stands for reference letter from your office in FAA terminology.
- Abbreviationreference message from your office
RUMES stands for reference message from your office in FAA terminology.
- Abbreviationreference PBS message
REPBS stands for reference PBS message in FAA terminology.
- Abbreviationreference telegram from our office
ROTEL stands for reference telegram from our office in FAA terminology.
- Abbreviationreference telegram from your office
RUTEL stands for reference telegram from your office in FAA terminology.
- Abbreviationreference your form
RUFORM stands for reference your form in FAA terminology.