Project 10073 Record — Sighting Report, 7 February 1950

This document is a Project 10073 record detailing an unidentified aerial phenomenon sighting that occurred on February 7, 1950, in the San Francisco, California area, specifically near Alameda NAS. The report, dated February 14, 1950, describes a single conical object observed for approximately 10 minutes. The object was noted to have a gray vapor trail and was estimated to be 30 feet long, traveling at an altitude of 5,000 feet with a speed between 75 and 90 mph on a 180-degree course. The witness report indicates that the object changed the position of its axis during flight. The source of the information is identified as a newspaper article. The official conclusion reached by ATIC was that the object was likely a contrail or a target. The document references a temporary ATIC Form 329 and notes that sketches were associated with the case file.