Project 10073 Record: Sighting Reports, December 1966

This document is a compilation of records and correspondence related to Project 10073, concerning Unidentified Aerial Phenomena (UAP) sightings reported in December 1966. The reports originate from various locations, including McClellan AFB in California, San Diego, and international flights. Witnesses, including military personnel and commercial airline pilots, described observing brilliant orange, disk-like, or elliptical objects that exhibited unusual flight characteristics, such as hovering, rapid acceleration, and the shedding of 'sparks' or smaller light particles. One specific incident involved a Canadian Pacific Airlines flight crew observing a phenomenon near the equator. The Air Force's official response to many of these reports was that there was insufficient data for a scientific evaluation, with some sightings being attributed to astronomical bodies like Jupiter or meteors. The document includes completed U.S. Air Force technical information questionnaires, internal memos from the Foreign Technology Division, and correspondence with witnesses. Major Donald R. Ryan, an investigating officer, provided detailed notes on a sighting in Arkansas, emphasizing the credibility of the witness and the need for further investigation. The file also contains press clippings and sketches provided by observers to illustrate the objects' appearance and motion.