Astyrian Civil Aviation Organization airport code
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The ACAO airport code or location indicator is a four-letter code indicating the location of aerodromes located in Astyria. Defined by the Astyrian Civil Aviation Organization, these codes are used by air traffic control and airline operations. The full list of codes can be found in ACAO Document 5847, which is published every quarter.
Structure
The code features location indication in the first two letters to provide geographical context. The first letter indicates the region while the second letter indicates the subregion; together they indicate the country or territory the aerodrome is located. The last two letters indicate the aerodrome itself. As an example, the ACAO code for Arimathea City Airport is WASF, with the first two letters indicating that it is located in Arimathea.
ViZion is the only country in Astyria to use one letter instead of two (V) to indicate where the aerodrome is located. As such, it has many airports that have ACAO codes that are copies of IATA codes.
Prefixes
| Prefix | Country |
|---|---|
| D - Eastern Teudallum | |
| DA | Dangish Empire (also DE, DF, DG) |
| DB | Bhormakaro |
| DC | Caranad |
| DE | Dangish Empire (also DA, DF, DG) |
| DF | Dangish Empire (also DA, DE, DG) |
| DG | Dangish Empire (also DA, DE, DF) |
| DH | Heideland |
| DJ | North Kamalbia |
| DK | South Kamalbia |
| DO | Oduya |
| DT | Terre Azure |
| E - Hesperidesia | |
| E | Blackhelm Confederacy (except below) |
| EB | Bungussi |
| EC | Cote d'Cuivre |
| EG | Gautenga |
| EJ | Jafala |
| EK | Kwalawi |
| EL | Colchester Landing |
| EP | Polarus |
| ER | Red River State |
| ES | Scottopian Isles |
| I - Ixalia | |
| IC | Caprica |
| IN | N'ute Apaghap'i |
| IS | San Joaquin Valley |
| K - West Island Chain | |
| K | Kobolis (except below) |
| KC | Valle Crucis |
| KE | Kelonna |
| KJ | Jarridia |
| KS | Serretes |
| L - Southern Lorecia | |
| LA | Aquitayne |
| LB | Arabona |
| LC | Stretta |
| LD | Nidwalden |
| LE | Earent |
| LF | Fyngaria |
| LH | Haguenau |
| LM | Mizialand |
| LN | Noordenstaat |
| LS | Scanonia |
| M - Mederano Peninsula | |
| MA | Nikolia (also MI, MM, MN, and MT) |
| MB | Berique |
| ME | Great Nortend |
| MI | Nikolia (also MA, MM, MN, and MT) |
| MK | Khyragus |
| MM | Nikolia (also MA, MI, MN, and MT) |
| MN | Nikolia (also MA, MI, MM, and MT) |
| MS | Slovertia |
| MT | Nikolia also MA, MI, MM, and MN) |
| MW | Woodstead |
| N - Northern Lorecia | |
| NA | Aswick |
| NB | Belka |
| NC | Caledonia |
| ND | Arstotska |
| NF | Nynorsk Ostlijord |
| NO | Ostrothia |
| NP | Plätteisen Adler |
| NR | Romberg |
| NU | Aurora Confederacy |
| NV | Valkea |
| NW | Varddi |
| S - Sythith | |
| SA | Aquitayne (Cape Town) |
| SH | Hindia Belanda |
| SK | Kuwazavkavan |
| SM | Maqtajer |
| SP | New Pangus |
| SY | Symphonia |
| T - South Teudallum | |
| TA | Andamonia |
| TC | Cassonne |
| TD | Aztec National League |
| TE | Morroseta |
| TL | Lisander |
| TM | Monsa |
| TX | Txekrikar |
| V - ViZion | |
| V | ViZion |
| W - Western Teudallum | |
| WA | Arimathea |
| WC | Cadenza |
| WH | Trellin (Hysera) |
| WK | Kur'zhet |
| WS | Sycoon |
| WT | Trellin (except Azmir, Hysera, Isles of Velar; also WW) |
| WV | Trellin (Isles of Velar) |
| WW | Trellin (except Azmir, Hysera, Isles of Velar; also WW) |
| WZ | Trellin (Azmir) |