{"schema_version":1,"airport":"3AR1","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"0430da017b40","priority":"fyi","category":"airport","kind":"changed","summary":"land area: none -> 0 acres; used for medical purposes: none -> yes; wind indicator: none -> unlighted wind indicator","source":"APT_BASE","fields":[{"field":"ACREAGE","old":"","new":"0"},{"field":"MEDICAL_USE_FLAG","old":"","new":"Y"},{"field":"WIND_INDCR_FLAG","old":"","new":"Y"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"754746a50358","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 778 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"778"}]}],"first_cycle":"2025-10-02","last_cycle":"2025-10-02"}