{"schema_version":1,"airport":"EKS","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"1d411f971eb0","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 406-898-5172","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"406-843-4277","new":"406-898-5172"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"5982dd10d2c4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 16: controlling obstacle changed (now 56 ft tall, 1765 ft from threshold, 350 ft left of centerline, clearance slope 27:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"5233a9e1e88e","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -25C -> -24C","source":"APT_BASE","fields":[{"field":"CTA","old":"-25C","new":"-24C"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"a5152009574e","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -24C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -25C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C."}]}],"first_cycle":"2024-09-05","last_cycle":"2026-06-11"}