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The Red Bluff, California UFO sighting involved an attempted chase by Patrolmen Charles A Carson and Stanley Scott during the night of 13th / 14th August 1960.
This incident is Case 93 in Isaac Koi's "Top 100" article, since it was referred to in 30 of the books covered by that article.
This was Project Blue Book Case Number 6909.
This incident featured in the results of a survey in 1965 by Jacques Vallee of the opinion of various UFO groups as to the most significant UFO sightings. As part of the same survey, NICAP included this case in a list of 5 cases which it nominated as being the best.