{"schema_version":1,"airport":"3W3","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"8f503f131c01","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle: TREES 44 ft tall, 190 ft from threshold, 40 ft left of centerline -> TREES 42 ft tall, 182 ft from threshold, 28 ft left of centerline","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"40","new":"28"},{"field":"DIST_FROM_THR","old":"190","new":"182"},{"field":"OBSTN_HGT","old":"44","new":"42"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"1618a5c8e82f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle: TREES 67 ft tall, 693 ft from threshold, 36 ft left of centerline -> TREES 45 ft tall, 739 ft from threshold, 25 ft left of centerline; obstacle clearance slope: 10:1 -> 16:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"36","new":"25"},{"field":"DIST_FROM_THR","old":"693","new":"739"},{"field":"OBSTN_CLNC_SLOPE","old":"10","new":"16"},{"field":"OBSTN_HGT","old":"67","new":"45"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"52861d5d8a18","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle changed (now 44 ft tall, 190 ft from threshold, 40 ft left of centerline, clearance slope 4:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"43","new":"40"},{"field":"DIST_FROM_THR","old":"189","new":"190"},{"field":"OBSTN_HGT","old":"41","new":"44"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"e2ce77b97c55","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 67 ft tall, 693 ft from threshold, 36 ft left of centerline, clearance slope 10:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"38","new":"36"},{"field":"DIST_FROM_THR","old":"733","new":"693"},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"10"},{"field":"OBSTN_HGT","old":"45","new":"67"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"a8c01aed786e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle changed (now 41 ft tall, 189 ft from threshold, 43 ft left of centerline, clearance slope 4:1); controlling obstacle: ROAD -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":"L"},{"field":"CNTRLN_OFFSET","old":"0","new":"43"},{"field":"DIST_FROM_THR","old":"153","new":"189"},{"field":"OBSTN_CLNC_SLOPE","old":"15","new":"4"},{"field":"OBSTN_HGT","old":"10","new":"41"},{"field":"OBSTN_TYPE","old":"ROAD","new":"TREES"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"65b4177ff0c0","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle changed (now 45 ft tall, 733 ft from threshold, 38 ft left of centerline, clearance slope 16:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"47","new":"38"},{"field":"DIST_FROM_THR","old":"681","new":"733"},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"16"},{"field":"OBSTN_HGT","old":"54","new":"45"}]}],"first_cycle":"2024-09-05","last_cycle":"2026-10-01"}