Skip to content
← Research library

Archive case record

50 mi S of Bismark, N.D., February 1957

Date of account
1957-02
Location
50 mi S of Bismark, N.D.
Source
uap_archive
Record updated
2026-10-10

View the original source ↗

Record summary

Project Blue Book case file indexed from National Archives metadata; page-level review pending.

Published source text

Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.

Source page 1

Source text · mention only

PROJECT 10073 RECORD CARD L.DATE 2.LOCATION 12. CONCLUSIONS 口 Wos Balloon 10 February 1957 50 mi S of Bismark, N.D xProbably Bolloon 口 Possibiy Balloon 3.DATE-TIME GROUP 4TYPE OF OBSERYATION 口 Was Aireraft Local. Ground Visual Ground-Radar 口 Probobly Aircraft 11/0451Z AirViwal Air-lntercept Radar 口 Possibiy Aircroft GMT PHOYOS ZSOURCE 口 Was Astronomical 口'Ys 品 Probobly Astronomical Housewife 口 Possibly Astronomical 7.LENGTH OF OBSERVATION 3.NUMBER OF OBJECTS 9.COURSE 口 Other. 口 Insufficiont Data for Evaluotion 口 Unknown 30 minutes one NE TO. BRIEF SUMMARY OF SIGHTING 11.COMMENTS Red and green flashing light observed Star chart and almanacs disclose at 75 dgr azimuth,30 min later still that ARCTURUS a very bright star at same bearing but had advanced about was at the approximate bearings 40 dgr.in elevation. Changed to dim and elevations given. Increase white.and faded out. in elevation o

View this source page ↗

Investigate related details with Anomaly Graph’s account-based search, or read how matching and provenance work.