{"schema_version":1,"airport":"I91","entries":[{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"d922047f44b3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle changed (now 93 ft tall, 1600 ft from threshold, 45 ft right of centerline, clearance slope 17:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"130","new":"45"},{"field":"DIST_FROM_THR","old":"335","new":"1600"},{"field":"OBSTN_CLNC_SLOPE","old":"6","new":"17"},{"field":"OBSTN_HGT","old":"48","new":"93"}]}],"first_cycle":"2026-08-06","last_cycle":"2026-08-06"}