{"schema_version":1,"airport":"50M","entries":[{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"5a688b0b7120","priority":"fyi","category":"runway","kind":"changed","summary":"runway 14: controlling obstacle changed (now 61 ft tall, 895 ft from threshold, 229 ft right of centerline, clearance slope 14:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"R"},{"field":"CNTRLN_OFFSET","old":"","new":"229"},{"field":"DIST_FROM_THR","old":"","new":"895"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"14"},{"field":"OBSTN_HGT","old":"","new":"61"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"dfb6534a0a80","priority":"fyi","category":"runway","kind":"changed","summary":"runway 32: controlling obstacle changed (now 70 ft tall, 925 ft from threshold, 20 ft left of centerline, clearance slope 13:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"20"},{"field":"DIST_FROM_THR","old":"","new":"925"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"13"},{"field":"OBSTN_HGT","old":"","new":"70"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]}],"first_cycle":"2025-07-10","last_cycle":"2025-07-10"}