{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"MI93","counts":{"action":1,"ifr":0,"fyi":3},"changes":[{"id":"48848c770b3f","priority":"action","category":"runway","kind":"changed","summary":"runway 13/31: length: 2310 -> 3010 ft; width: 80 -> 50 ft; surface: grass; sod (TURF) -> asphalt or bituminous concrete / grass; sod (ASPH-TURF)","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2310","new":"3010"},{"field":"RWY_WIDTH","old":"80","new":"50"},{"field":"SURFACE_TYPE_CODE","old":"TURF","new":"ASPH-TURF"}]},{"id":"f5a080fc43f1","priority":"fyi","category":"remark","kind":"added","summary":"new runway 13/31 surface remark: West 660 foot turf, east 2350 feet asphalt.","source":"APT_RMK","original":"WEST 660 FT TURF, EAST 2350 FT ASPH."},{"id":"f388aa6c4cfd","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: touchdown zone elevation: 816 ft MSL -> none; true alignment: 131 -> 120°","source":"APT_RWY_END","fields":[{"field":"TDZ_ELEV","old":"816","new":""},{"field":"TRUE_ALIGNMENT","old":"131","new":"120"}]},{"id":"d577be5ec152","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: runway end elevation: 816 -> 805 ft MSL; touchdown zone elevation: 816 ft MSL -> none; true alignment: 311 -> 300°","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"816","new":"805"},{"field":"TDZ_ELEV","old":"816","new":""},{"field":"TRUE_ALIGNMENT","old":"311","new":"300"}]}]}