Aviation observation — 400 miles south of Minneapolis, Minnesota — 1954-06-01

On 1954-06-01, an aviation observation was reported at or near 400 miles south of Minneapolis, Minnesota, United States. The catalogue lists the aircraft and observers as a USAF B-47 bomber crew. Its time field reads 21:00. An object displaying several lights was observed for approximately one hour. Source: Dominique F. Weinstein, Unidentified Aerial Phenomena: Eighty Years of Pilot Sightings (NARCAP TR-04, February 2001), PDF page 27, table row 24. Approximate GeoNames populated-locality centroid; not the reported observation point. Exact source-country and named-place alias match. GeoNames CC BY 4.0, https://www.geonames.org/5037680