{"schema_version":1,"airport":"C59","entries":[{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"3fe1ec17f827","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now 19 ft tall, 242 ft from threshold, 120 ft right of centerline, clearance slope 2:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_HGT","old":"17","new":"19"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"26a65ab910d8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: controlling obstacle changed (now 10 ft tall, 290 ft from threshold, 45 ft right of centerline, clearance slope 9:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"34","new":"45"},{"field":"DIST_FROM_THR","old":"465","new":"290"},{"field":"OBSTN_CLNC_SLOPE","old":"8","new":"9"},{"field":"OBSTN_HGT","old":"31","new":"10"}]}],"first_cycle":"2026-07-09","last_cycle":"2026-07-09"}