{"schema_version":1,"airport":"SD78","entries":[{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"9324ab13dd29","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"6d9c25d7ef9f","priority":"action","category":"runway","kind":"changed","summary":"runway 12/30: length: 2900 -> 2600 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2900","new":"2600"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"a1b975793260","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12: runway end elevation: none -> 1753.5 ft MSL; markings: none -> none","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"1753.5"},{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"NONE"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"c2b1ba7a5bfc","priority":"fyi","category":"runway","kind":"changed","summary":"runway 30: runway end elevation: none -> 1757.8 ft MSL; markings: none -> none","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"1757.8"},{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"NONE"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"964b75fb8f92","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 605-280-2288","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"605-869-2440","new":"605-280-2288"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"9dbc4243c640","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: BOX 352 -> BOX 100; airport contact zip+4: none -> 0100","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"BOX 352","new":"BOX 100"},{"field":"PHONE_NO","old":"605-689-2440","new":"605-280-2288"},{"field":"ZIP_PLUS_FOUR","old":"","new":"0100"}]},{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"aef638bf9693","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12/30: surface: grass; sod (TURF) -> GRVL","source":"APT_RWY","fields":[{"field":"SURFACE_TYPE_CODE","old":"TURF","new":"GRVL"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"fdd285b33a60","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: BOX 352 -> PO BOX 100; airport contact zip+4: none -> 0100","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"BOX 352","new":"PO BOX 100"},{"field":"ZIP_PLUS_FOUR","old":"","new":"0100"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"22654b57ccf1","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact state: none -> SD; airport contact city: KENNEBECSD -> KENNEBEC","source":"APT_CON","fields":[{"field":"STATE","old":"","new":"SD"},{"field":"TITLE_CITY","old":"KENNEBECSD","new":"KENNEBEC"}]}],"first_cycle":"2026-03-19","last_cycle":"2026-07-09"}