{"schema_version":1,"airport":"52B","entries":[{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"8ca30e059f15","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -22C -> -21C","source":"APT_BASE","fields":[{"field":"CTA","old":"-22C","new":"-21C"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"c779200965b5","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -21C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -21C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -22C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -21C."}]}],"first_cycle":"2025-05-15","last_cycle":"2025-05-15"}