Project Blue Book Case File
Northern Arizona, December 1947 - Incident Number: 31December 1947
Summary
On December 1, 1947, in Lowell, Arizona, a well-known aerodynamicist reported observing a white object in the early morning sky. The object traveled at 600 miles per hour at an altitude of 2,500 to 3,000 feet. It left a heavy trail but did not look like a regular water trail. The witness described it as not appearing to be an actual object. The case was marked unclassified and submitted to Wright Field. The Air Force evaluation is listed as unknown.
Reported location
Northern Arizona, December 1947 - Incident Number: 31
Date of incident
December 1947
State / country
? / XX
Page count
3 scanned pages
USAF evaluation
unknown
Microfilm
T1206, Roll 2