ICAO telephony designator system
E862086
The ICAO telephony designator system is an international standard that assigns unique spoken call signs to airlines and aircraft operators for use in air-ground radio communications.
All labels observed (2)
| Label | Occurrences |
|---|---|
| ICAO telephony designator system canonical | 1 |
| company callsign in ATC communications | 1 |
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
air traffic management standard
ⓘ
aviation communication standard ⓘ radio communication procedure ⓘ |
| appliesTo |
aircraft operators
ⓘ
airlines ⓘ commercial air transport operators ⓘ some government and state operators ⓘ |
| basisFor | standard phraseology in airline call signs ⓘ |
| communicationMode | voice radio ⓘ |
| defines |
airline telephony designators
ⓘ
radiotelephony call signs for aircraft operators ⓘ spoken call signs ⓘ |
| developedBy | International Civil Aviation Organization NERFINISHED ⓘ |
| distinguishedFrom |
IATA two-letter airline codes
ⓘ
ICAO three-letter airline codes ⓘ |
| documentation | ICAO Doc 8585 "Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services" NERFINISHED ⓘ |
| feature |
avoidance of similar-sounding call signs
ⓘ
spoken phrase used before flight number in callsign ⓘ unique telephony designator per operator ⓘ |
| governs |
allocation of telephony designators to operators
ⓘ
format of airline radio call signs ⓘ |
| implementedBy |
air navigation service providers
ⓘ
national civil aviation authorities ⓘ |
| language | English ⓘ |
| partOf | ICAO communications, navigation and surveillance framework NERFINISHED ⓘ |
| purpose |
to enhance safety in air traffic communications
ⓘ
to reduce ambiguity in radio call signs ⓘ to uniquely identify aircraft operators in voice communications ⓘ |
| relatedTo |
ICAO three-letter designator system
NERFINISHED
ⓘ
airline call sign allocation ⓘ radiotelephony procedures ⓘ |
| requires | coordination to prevent duplicate designators ⓘ |
| safetyRole | mitigation of call sign confusion incidents ⓘ |
| scope |
international civil aviation
ⓘ
non-scheduled aircraft operators ⓘ scheduled air carriers ⓘ |
| shortName | ICAO telephony designators NERFINISHED ⓘ |
| standardizedBy |
ICAO Annex 10
NERFINISHED
ⓘ
ICAO Doc 8585 NERFINISHED ⓘ |
| updatedBy | periodic ICAO amendments ⓘ |
| usedBy |
air traffic controllers
ⓘ
airline pilots ⓘ flight dispatchers ⓘ |
| usedIn |
air traffic control communications
ⓘ
air-ground radio communications ⓘ pilot-controller communications ⓘ |
| usedWith |
aircraft registration call signs
ⓘ
flight numbers ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.