{"schema_version":1,"from_cycle":"2026-10-29","to_cycle":"2026-11-26","airport":"33IL","counts":{"action":0,"ifr":0,"fyi":1},"changes":[{"id":"9d59534d668a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle: ROAD 13 ft tall, 35 ft from threshold -> ROAD 13 ft tall, 35 ft from threshold, 0 ft either side of centerline; obstacle clearance slope: none -> 2:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"B"},{"field":"CNTRLN_OFFSET","old":"","new":"0"},{"field":"OBSTN_CLNC_SLOPE","old":"","new":"2"}]}]}