{"schema_version":1,"airport":"2SD1","entries":[{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"233d1a6db9c5","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 800 E 21ST ST -> 325 S CLIFF AVE; name changed: Mc Kennan Hospital -> Avera Mc Kennan Hospital; airport contact zip code: 57117 -> 57105","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"800 E 21ST ST","new":"325 S CLIFF AVE"},{"field":"NAME","old":"MC KENNAN HOSPITAL","new":"AVERA MC KENNAN HOSPITAL"},{"field":"ZIP_CODE","old":"57117","new":"57105"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"d0d8d62923a9","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 800 EAST 21ST ST -> 325 S CLIFF AVE","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"800 EAST 21ST ST","new":"325 S CLIFF AVE"},{"field":"ZIP_CODE","old":"57117","new":"57105"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"3986fe6a0784","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: 1420","source":"APT_RMK","original":"1420"},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"973a28b14dc0","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 1510 ft MSL; touchdown zone elevation: none -> 1510 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"1510"},{"field":"TDZ_ELEV","old":"","new":"1510"}]}],"first_cycle":"2025-06-12","last_cycle":"2025-10-02"}