{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"S30","counts":{"action":1,"ifr":0,"fyi":2},"changes":[{"id":"ddab705e4d7f","priority":"action","category":"airport","kind":"removed","summary":"airport attendance: ALL -> none listed","source":"APT_ATT","fields":[{"field":"ATTENDANCE","old":"ALL","new":""}]},{"id":"266b5e8ddef1","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Airport is unattended.","source":"APT_RMK","original":"ARPT UNATNDD."},{"id":"48a9ee643c86","priority":"fyi","category":"runway","kind":"changed","summary":"runway 16: controlling obstacle: TREE 31 ft tall, 680 ft from threshold, 103 ft right of centerline -> TREE 19 ft tall, 328 ft from threshold, 33 ft right of centerline; obstacle clearance slope: 15:1 -> 6:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"103","new":"33"},{"field":"DIST_FROM_THR","old":"680","new":"328"},{"field":"OBSTN_CLNC_SLOPE","old":"15","new":"6"},{"field":"OBSTN_HGT","old":"31","new":"19"}]}]}