Form: 97 BB
Date: Thu, 20 Apr 2006 23:42:15 +0100 (BST)
From: daniel wilson <daniejon2000@yahoo.co.uk>
Subject: April 27, 1952; Yuma, Ariz. (BBU 1163)
Cat: 1
To: Francis Ridge <nicap@insightbb.com>

April 27, 1952; Yuma, Ariz. (BBU 1163)
8:30 p.m. Off-duty control tower operator M/Sgt. Gene S. Porter and wife saw a bright red or flame-colored discs, appearing as large as fighter planes; 7 sightings of one disc, one of 2 in formation. All seen below 11,000 ft overcast. (Berliner) Sightings lasted for two hours.

http://www.bluebookarchive.org/page.aspx?PageCode=MAXW-PBB10-262
 
Page ID (PID)  MAXW-PBB10-262
Collection  NARA-Maxwell
Roll Description  Maxwell Blue Book 10
Document Code  N/A
 
Frames  262 - 266