{"schema_version":1,"airport":"CO57","entries":[{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"c81459e0d11c","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: 5264 WCR 16 3/4 -> 5264 COUNTY RD 16 3/4","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"5264 WCR 16 3/4","new":"5264 COUNTY RD 16 3/4"}]},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"71f72489e4da","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact zip+4: none -> 9466","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"5264 WCR 16 3/4","new":"5264 COUNTY RD 16 3/4"},{"field":"ZIP_PLUS_FOUR","old":"","new":"9466"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"765060a98f06","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 5000 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"5000"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"09a7040afc84","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: surface: grass; sod (TURF) -> portland cement concrete (CONC)","source":"APT_RWY","fields":[{"field":"SURFACE_TYPE_CODE","old":"TURF","new":"CONC"}]}],"first_cycle":"2025-06-12","last_cycle":"2025-11-27"}