{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"HIE","counts":{"action":0,"ifr":0,"fyi":2},"changes":[{"id":"7dce9df0d8d3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 10: controlling obstacle: none listed -> TREES 83 ft tall, 1233 ft from threshold, 401 ft left of centerline; obstacle clearance slope: 20:1 -> 12:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"401"},{"field":"DIST_FROM_THR","old":"","new":"1233"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"12"},{"field":"OBSTN_HGT","old":"","new":"83"},{"field":"OBSTN_TYPE","old":"","new":"TREES"}]},{"id":"12f1ffeedde7","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: controlling obstacle: TREES 62 ft tall, 791 ft from threshold, 257 ft left of centerline -> TREES 71 ft tall, 781 ft from threshold, 269 ft left of centerline; obstacle clearance slope: 9:1 -> 8:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"257","new":"269"},{"field":"DIST_FROM_THR","old":"791","new":"781"},{"field":"OBSTN_CLNC_SLOPE","old":"9","new":"8"},{"field":"OBSTN_HGT","old":"62","new":"71"}]}]}