{"schema_version":1,"airport":"M57","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"9f49550c6d41","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 207-252-6630","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"207-864-5307","new":"207-252-6630"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"42e0d99589e8","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: ALTN PHONE: 207-252-6630.","source":"APT_RMK","original":"ALTN PHONE: 207-252-6630."},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"facefdbc839e","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: DOCK SPACE AVBL.","source":"APT_RMK","original":"DOCK SPACE AVBL."},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"6451c3d71072","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -27C -> -26C","source":"APT_BASE","fields":[{"field":"CTA","old":"-27C","new":"-26C"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"2185f7659d1c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -26C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -26C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -27C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -26C."}]}],"first_cycle":"2025-05-15","last_cycle":"2025-10-02"}