Category 11 Case Directory
Rating: 5  


AVCAT is a special project being conducted by NICAP, with the help and cooperation of the original compiler of AIRCAT, Dr. Richard Haines, and other sources, to create a comprehensive listing of sightings from aircraft with detailed documentation from these sources, including Projects SIGN, GRUDGE & BLUE BOOK.

The Mantell Case
Jan 8, 1948
Fort Knox, Kentucky

1-7 p.m. local time
Duration 6 hrs
United States
Multiple observers, Mantell
No radar contact

Fran Ridge: 24 August 2007, updated 20 December 2010
Air National Guard pilot killed in crash of F-51 during UFO pursuit. Also sighting at Lockburne AFB, Ohio, later same afternoon, UFO maneuvering erratically up and down. [UFOE, V, NICAP site/new evidence] This case was re-investigated in 2006 by the NICAP team and there were major discoveries. The full report in book form and full documentation is produced below.

Brad Sparks:
Jan. 7, 1948. Kentucky-Ohio (BBU)
1-7 p.m. (CST). Mantell case. Kentucky ANG pilot Capt Thomas F. Mantell, Jr., was killed in an F-5ID F fighter crash at about 3:18 p.m. about 4 miles S of Franklin, Ky., (at about 36°40.4' N, 86°35' N) about 92 miles S (about 205° azimuth) from Godman Control Tower, in an attempt to intercept an unidentified object described in one of Mantell's last radio reports to Godman AAF tower, Ft. Knox, Ky., (37°54'23" N. 85r58"00" W. about 725 ft elevation) as "metallic and tremendous in size." USAF 1st. Lt. Orner, Commander, 733-5 Detachment. AACS, tracked unidentified white light with red coloration by weather tracking theodolite from Godman Field hanger at azimuth 8-degrees: elevation at 5:35 p.m. which disappeared over the horizon at 250° azimuth See later sightings at Lockbourne AFB and Clinton County AFB, Ohio. 

Detailed reports and documents
Preliminary Analysis (Fran Ridge)
The Mantell Incident: Anatomy of an Investigation (2006-2010 A-Team)
Original Case Directory from 2006 with original doc and report links (A-Team)
Mantell Case Analysis (Brad Sparks)

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