UFO Timeline
Pilot Frederick M Valentich disappears after reporting encountering a UFO while flying a Cessna 182 (call sign Delta Sierra Juliet) across the Bass Strait from Melbourne to Hobart, Tasmania on 21st October 1978.
This incident is Case 35 in Isaac Koi's "Top 100" article, since it was referred to in 62 of the books covered by that article.
This incident came fifth in an online poll conducted in March/April 2006 by Paul Kimball of “the UFO case with the ‘best evidence’ ever”.
As part of a survey of various researchers of the “most evidential” UFO case, British ufologists Robert Rosamond and John Spencer produced a joint response which discussed this incident.
On 31 December 1978, there were UFO sightings across