{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"GFD","counts":{"action":0,"ifr":0,"fyi":1},"changes":[{"id":"c997c769f417","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle: TREES 70 ft tall, 155 ft from threshold, 140 ft right of centerline -> TREES 70 ft tall, 1400 ft from threshold, 75 ft left of centerline; obstacle clearance slope: 2:1 -> 20:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"140","new":"75"},{"field":"DIST_FROM_THR","old":"155","new":"1400"},{"field":"OBSTN_CLNC_SLOPE","old":"2","new":"20"}]}]}