{"schema_version":1,"airport":"3S6","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"726440dd9ff9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 11: controlling obstacle changed (now 97 ft tall, 590 ft from threshold, 160 ft left of centerline, clearance slope 6:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"30","new":"160"},{"field":"DIST_FROM_THR","old":"789","new":"590"},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"6"},{"field":"OBSTN_HGT","old":"101","new":"97"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"8ec04ae72a80","priority":"fyi","category":"runway","kind":"changed","summary":"runway 29: controlling obstacle changed (now 94 ft tall, 340 ft from threshold, 19 ft right of centerline, clearance slope 3:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"30","new":"19"},{"field":"DIST_FROM_THR","old":"333","new":"340"},{"field":"OBSTN_HGT","old":"91","new":"94"}]}],"first_cycle":"2026-09-03","last_cycle":"2026-09-03"}