Airport.md

@@ -49,6 +49,27 @@ The airport feature `Ahp` defines aerodromes, heliports and similar ground facil
 
 * `Ahp` – Aerodrome or heliport
 * `AhpUid` – UID
+* `codeId` – ICAO code *or* IATA code *or* ICAO country code plus four digits
+* `OrgUid` –
+* `txtName` –
+* `codeIcao` – four letter ICAO code
+* `codeIata` – three letter IATA code
+* `codeType` – "AD" (aerodrome), "HP" (heliport), "AH" (aerodrome and heliport) *or* "LS" (landing site)
+* `geoLat` – reference point latitude
+* `geoLong` – reference point longitude
+* `codeDatum` – always "WGE"
+* `valElev` –
+* `uomDistVer` – 
+* `txtNameCitySer` –
+* `valMagVar` – 
+* `dateMagVar` – 
+* `valMagVarChg` –
+* `valRefT` –
+* `uomRefT` –
+* `txtNameAdmin` –
+* `valTransitionAlt` –
+* `uomTransitionAlt` – 
+* `txtRmk` –
 
 ### Aht