May 1953 - November 1954 Harry L. Edwards Drilling Company
Houston, TX, USA
Modifications made to the owner's single Navion, N4366K.
October 1954 - Auxiliary fuel tank (fabricated from a single main fuel tank) was installed in the rear baggage compartment. Combined with the underseat fuel tank installed by Ryan Aeronautical Company fuel capacity totalled 79 US-gallons.
November 1954 - December 1955 Morgan & Lindsey, Inc.
Jasper, TX, USA
December 1955 - April 1957 Cruse Aviation, Inc.
Houston, TX, USA
Purchased for $11,393.72
April 1957 - September 1957 Malcolm Jacobs Company
Kirkwood, MO, USA
September 1957 - February 1958 Ohio Valley Aviation
Metropolis, IL, USA
February 1958 - June 1958 Graubart Aviation, Inc.
Chicago, IL, USA
June 1958 - November 1960 Dr. Maurice Blakemore
New Britain, CT, USA
October 16, 1958 - Aircraft sold to Charles Matson for $16,000, but continued to be operated by Dr. Blakemore.
October 1958 - September 1962 Charles Matson
Olean, NY, USA
Repossessed from Maurice Blakemore for non-payment, November 1960.
September 1962 - September 1964 Millcreek Valley Airlines, Inc.
Cincinnati, OH, USA
September 1964 - June 1970 Dan Lee
Jackson, MS, USA
December 1964 - Involved in a nonfatal accident at Madison, MS. (NTSB Report 2-0952)