{"schema_version":1,"airport":"MT44","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"f297673f689b","priority":"action","category":"runway","kind":"changed","summary":"runway H2: surface: grass; sod (TURF) -> portland cement concrete (CONC)","source":"APT_RWY","fields":[{"field":"SURFACE_TYPE_CODE","old":"TURF","new":"CONC"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"ef06ec08aee0","priority":"fyi","category":"runway","kind":"changed","summary":"runway H2: runway end elevation: none -> 3145 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"3145"}]}],"first_cycle":"2025-10-02","last_cycle":"2025-10-02"}