{"schema_version":1,"airport":"2J3","entries":[{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"d32faa4d92ad","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: controlling obstacle changed (now 55 ft tall, 835 ft from threshold, 343 ft right of centerline, clearance slope 11:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"350","new":"343"},{"field":"DIST_FROM_THR","old":"1526","new":"835"},{"field":"OBSTN_CLNC_SLOPE","old":"34","new":"11"},{"field":"OBSTN_HGT","old":"39","new":"55"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"83672dc4d3c9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now 20 ft tall, 671 ft from threshold, 184 ft left of centerline, clearance slope 23:1); controlling obstacle: none -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"184"},{"field":"DIST_FROM_THR","old":"","new":"671"},{"field":"OBSTN_CLNC_SLOPE","old":"50","new":"23"},{"field":"OBSTN_HGT","old":"","new":"20"},{"field":"OBSTN_TYPE","old":"","new":"TREES"}]}],"first_cycle":"2025-05-15","last_cycle":"2025-05-15"}