1926 – Butterfield was born in Pensacola, Florida on the 6th of April.
1968 – He was project officer for the General Dynamics F-111 and a senior Defense Department representative in Australia with the rank of Colonel.
1972 – Butterfield was appointed on the 19th of December as administrator of the Federal Aviation Administration.
1973 – He was routinely asked to appear before the United States Senate committee headed by Sam Ervin and was interviewed by staff of the committee on the 13th of July.
1975 – Butterfield was not involved in the Watergate cover-up and was therefore not prosecuted. He remained at the FAA under Gerald Ford until he resigned on the 31st of March. He then became a business executive.
2005 – Butterfield was among those who correctly guessed the identity of Watergate informant "Deep Throat" prior to the disclosur. He told The Hartford Courant in 1995, "I think it was a guy named Mark Felt."