Who was the President of the University of Central Florida in 1986?

Hello joeyd and thank you for your question.

Dr. H. Trevor Colbourn was the President of UCF in 1986

The UCF Story:
"in January 1978, Dr. H. Trevor Colbourn was selected to lead the
university into the second decade"
"UCF's third President, Dr. Steven Altman, assumed office in July
1989"
http://pegasus.cc.ucf.edu/~perspay/handbook/USPS/hbsec1.html

So, in 1986 Dr.H.Trevor Colbourn was President.

Also if we look at the Powerpoint presentation below, we see:
"UCF’s Presidents 

1992 - Dr. John Hitt became 
    UCF’s 5th president

1963 - Dr. Charles Millican was appointed  
    FTU’s first president

1991 - Dr. Bob Bryan was appointed  
    interim president

1978 - Dr. Trevor Colbourn became  
    the 2nd president

1989 - Dr. Steve Altman became 
    UCF’s third president"
http://www.bus.ucf.edu/cornerstone/content/downloads/ppt/effective_presentations.ppt


Thank you for your question, and if you need any clarification of my
answer do not hesitate to ask.

Search strategy included:
"university of central florida"  presidents
://www.google.com/search?hl=pt&ie=ISO-8859-1&as_qdr=all&q=+%22university+of+central+florida%22++presidents&lr=