{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"8A1","counts":{"action":0,"ifr":0,"fyi":4},"changes":[{"id":"d5088eed5911","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager zip+4: none -> 8453","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"8453"}]},{"id":"a7ad31fe70a0","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner zip+4: none -> 1128","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"1128"}]},{"id":"ba594e9cab13","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: controlling obstacle: TREE 45 ft tall, 604 ft from threshold, 290 ft right of centerline -> PLINE 19 ft tall, 652 ft from threshold, 306 ft left of centerline; obstacle clearance slope: 8:1 -> 23:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"290","new":"306"},{"field":"DIST_FROM_THR","old":"604","new":"652"},{"field":"OBSTN_CLNC_SLOPE","old":"8","new":"23"},{"field":"OBSTN_HGT","old":"45","new":"19"},{"field":"OBSTN_TYPE","old":"TREE","new":"PLINE"}]},{"id":"170b0ec9d19b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: controlling obstacle: TREES 21 ft tall, 248 ft from threshold, 9013 ft right of centerline -> TREES 19 ft tall, 261 ft from threshold, 153 ft right of centerline; obstacle clearance slope: 2:1 -> 3:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"9013","new":"153"},{"field":"DIST_FROM_THR","old":"248","new":"261"},{"field":"OBSTN_CLNC_SLOPE","old":"2","new":"3"},{"field":"OBSTN_HGT","old":"21","new":"19"}]}]}