Aircraft N721R Data

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1 aircraft record found.

1942 Ryan Aeronautical ST3KR C/N 1840

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Latest photos of N721R
  • N721R - N721R picture taken in 1986 in California. - by Clayton Eddy by Clayton Eddy
  • N721R - 1942 Ryan Aeronautical ST3KR N721R - date and location unknown - by scotch-canadian by scotch-canadian
  • N721R @ APV - Last Ranger Ryan Ryan built by John Gokchoff - by Jack Roberts by Jack Roberts @ APV

Airframe Info

Manufacturer:Ryan Aeronautical
Model:ST3KR    Search all Ryan Aeronautical ST3KR
Year built:1942
Construction Number (C/N):1840
Aircraft Type:Fixed wing single engine
Number of Seats:2
Number of Engines:1
Engine Type:Reciprocating
Engine Manufacturer and Model:Fairchild 6-440-C5


Registration Number:N721R
Mode S (ICAO24) Code:A9A8BA
Certification Class:Standard
Certification Issued:1990-10-03
Air Worthiness Test:2006-11-30
Last Action Taken:2008-10-21
Current Status:Valid


Registration Type:Individual
Address:Painesville, OH 44077
United States
Region:Great Lakes

User Comments

Jack R. Roberts, 2007-04-05 00:00:00
 In the late 1970s John Gokchoff of Santa Paula, CA obtained certification to re-manufure Ryan ST-3-KR airplanes. A couple of the many modifications that went into the new aircraft was the insallation of a Ranger 6-440-C5 engine and a re-design of the landing gear to reemble the Ryan ST landing gear. He designated the aircraft STA-R-5. Of the four he built, N721R is the only polished, all aluminum, one made. The others had fiberglass fairings and landing gear fairings, the entire aircraft were painted. The three others were flush rivited. N721R used original round heads to keep a period look and appeal. John hand formed and fitted all of the fairings, including the aluminum gear fairings.
Gary Jackson, 2008-11-28 00:00:00
 John Gokchoff built 5 of the ranger powered ryans. The 2nd one built was damaged in a take off incident. It was rebuilt by Bob Orr and again damaged in an off field landing incident. The 4th one was destroyed in a incident shortly after it was built, and has not be rebuilt to date.
T.G.Gardner, 2013-12-21 16:36:04
 We are the current owners of the Gokchoff STC's and currently rebuilding 2 of the original and an additional 4 ST3KR wrecks to the STA-R-5 with the ranger 6-440 200hp 0SMOH engines. These are all metal fairings not fiberglass and starter and alternator additional STC's for STANDARD AIRWORTHINESS Certificate. contact Kent Gorton at or T. Gardner at