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Riley Aircraft Corp.'s D-16 Riley Twin Production

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Serial number NAV-4-680

December 17, 1952 - manufactured

Used the airframe from Navion NAV-4-680 (NC8680H).

N8680H

August 1952 - December 1952
Jack Riley
Fort Lauderdale, FL, USA

Fresh from the Riley factory, N8680H featured the original Piper
cowlings and large nose baggage door. (Riley Aircraft)

N8680H, seen in three Riley Aircraft promotional photos.
(Riley Aircraft via K. McTavish)

December 1952 - December 1955
Ned Biffle Drilling Company
Shawnee, OK, USA

N8680H passes overhead on approach to Dallas' Love Field, February 1953.
(M. Maybourne via SkyWorld International)

Obviously a comparison photo, this image ran in the September 1953
issue of Flight magazine. N8680H is still equipped with O-290 engines,
but the paint scheme on the cowls and nacelles has changed, dating this
photo to sometime between February 1953 and January 1954. (Flight)

A close up of N8680H from the above Flight magazine photo.
(Flight)

January 1954 - upgraded by Riley Aircraft with 150hp Lycoming O-320 engines.
September 1954 - auxiliary underseat and aft baggage compartment fuel tanks installed.
November 1954 - repairs completed following a wheels up landing.

December 1955 - October 1956
Blackstock, Bradley & Dietz, Inc.
Oklahoma City, OK, USA

October 1956 - November 1956
Jack Richards
Oklahoma City, OK, USA

November 1956 - March 1958
Joseph Bulger
Chicago, IL, USA

March 1958 - July 1958
National Aero Sales Corporation
Chicago, IL, USA

July 1958 - August 1963
Florida Development Services Inc.
Miami, FL, USA

September 1962 - gross weight increased to 3,350lbs.

August 1963
Malcolm Jacobs Company
St. Louis, MO, USA

August 1963- January 1968
David Gardner
St. Louis, MO, USA

November 5, 1964 - The pilot failed to lower the landing gear while landing in Chesterfield, MO. Althought the damage was substantial, the pilot was uninjured. (NTSB Report unknown)
July 22, 1965 - The pilot failed to ensure the landing gear was selected down, and locked before attempting a night landing in St. Louis, MO. The pilot was uninjured and the plane substantially damaged. (NTSB Report MKC66F0149)

Terry Gardner leaves from the Navioneer's 1967 National Convention.
(Flying magazine)

Terry Gardner and his family are seen taking their plane on vacation.
(T. Gardner via D. Gardner)

January 1968 - September 1968
Ruth Taksel dba, Commander of St. Louis
St. Louis, MO, USA

Confiscated over a bill of $6,000.

September 1968
Robert Heilig
Creve Coeur, MI, USA

September 1968 - December 1968
Roland Hodges
Fort Lauderdale, FL, USA

December 1968 - March 1972
Thomas Aseere
Fort Lauderdale , FL, USA

March 1972 - August 1972
Barry Pruss and Floyd Davies
Dillsboro, IN, USA

August 1972 - July 1992
Espie Muncy
Cincinnati, OH, USA

July 1992 - July 1992
Lloyd Garner
Collinsville, OK, USA

July 1992 - November 2003
Lloyd Garner
Land O' Lakes, FL, USA

November 2003 - October 2007
Lloyd Garner
Lutz, FL, USA

N8680H seen at Tampa North Aero Park, September 2006.
(P. Aranha)

A decrepit looking N8680H sits outside Lloyd Garner's home in June 2007. The exterior is in poor cosmetic shape, and the interior gutted and populated by 'creepy-crawlies'. (A. Wong)

October 2007 - November 2007
Brad Neel
Tampa, FL, USA

Aircraft was given a thorough cleaning, inside and out. According to Brad Neel, six huge wasps nests had to be removed from under the wings and inside the wheel wells. The engines were checked and the aircraft offered as a ferryable restoration project.
October 2007 - offered for sale on eBay.
November 2007 - advertised for sale, asking $24,000.

After a thorough cleaning, N8680H looks a lot nicer than it did just a few months before.
(B. Neel)

November 2007 - present
Michael Nutter
Lebanon, OH, USA

Current status: Under Restoration