{"schema_version":1,"airport":"1R8","entries":[{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"46d27bb86f12","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: controlling obstacle changed (now 113 ft tall, 2473 ft from threshold, 268 ft right of centerline, clearance slope 20:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"R"},{"field":"CNTRLN_OFFSET","old":"","new":"268"},{"field":"DIST_FROM_THR","old":"","new":"2473"},{"field":"OBSTN_CLNC_SLOPE","old":"34","new":"20"},{"field":"OBSTN_HGT","old":"","new":"113"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"efcd66eb0f00","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: controlling obstacle changed (now , clearance slope 34:1); controlling obstacle: TREE -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"4","new":""},{"field":"DIST_FROM_THR","old":"2397","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"19","new":"34"},{"field":"OBSTN_HGT","old":"111","new":""},{"field":"OBSTN_TYPE","old":"TREE","new":""}]}],"first_cycle":"2024-12-26","last_cycle":"2025-12-25"}