Maybe the manufacturer could say how many were sold, Steve might know how many are still registered? Would be interesting to know. According to their build list there are at least 69 and I guess prototypes?
http://www.helicycle.com/Flying Ships/index.htm
http://www.helicycle.com/Builders/Builders.htm
John O' Keefe 3-31-2014
Peter Larkam 2-1-2014
Steve Ledbetter 11-20-2013
Frankie 6-2013
Keith Southard 5-30-2013
Jacques Malan 3-13-2013
James Kent Airborn April 2012
Hank Canup April 2012
Mike Smith 2012
Wolf Zon May 2009
Tim Ciocarlan added 6-30-2011
Ron Harris added 6-2011
Eugene Corl Added 2-11-2011
Andrea's [Italy] Added 2-9-2011
Bill Hyde added 2-8-2011
James Williamson added 1-2011
Boyce Preece added 11-2010
Wilson Andre added 9-13-2010
Clarence Abadie JR added 9-3-2010
Coen "South Africa" 6-201
Walter Dobson 5-2010
Jose Mendez added 4-19-2010
Flyin Brian 10-1-2009 Added Home Show pictures 3-24-2010
Rod Strango 6-2009
Eric Atkins 5-2009
Eric Parker
Terry Green Added 7-1-2008
M.Mogetti-G.Procacci-J.Fonseca [Italy] Added 5-31-08
Byron Bedenbaugh Added 2-10-08
Stan Foster Added 2-10-08
George Spadie Added 10-9-2007
Dennis Uphill Added 8-16-07
Jim Lynch Added 8-1-07
Jim Little Updated 2-5-08
Jay Glasgow Updated 9-09
Alden Johnson Added 6-12-07
Joe Goetz Updated 9-3--08
Pat Whitehead Added 1-26-2007
Frank Darby Added 1-30-2007
HG Updated 1-30-2007
Michael Belcher Updated 11-19-2008
Bob Turner Added 11-3-2006
Chris Green Added 9-27-2006
Chad Gillihan Added 9-27-2006
Rich Kenney Added 8-24-2006
David Price Added 9-5-2006
Peter [South Africa] Added 2-23-2006
Bruce Mezzadri Added 9-26-2005
Hap Miller Updated 5-19-2007
Clayton Ashley Updated 7-18-2007
Mark Whistler Updated 2-24-2010
John Murphy Updated 9-11-2006
Galen Cotton Updated 7-19-2007
Anthony Spagnoletti Added 6-3-2005
Hollbrock Maslans Added 5-26-2005
Hermann "Australia" Updated 10-20-2005
Pat Goerig Added 3-16-2005
Colin Stevens Added 3-14-2005
Milton Huhta #3 Updated 4-23-2008
Brian Stevens Updated 4-20-2005
Allan Cammeron - New Zealand 1-24-2005
Matt Lazar Updated 3-28-2005
Lynn Darling Updated 2-28-2005
Dave Keck Update 11-1-2005
Joe Loxterkamp Updated 7-12-2007
Tom Sled
Richard Morrisey #7 Update 1-16-2007
Al Hammer #10
Doug Schwochert Busy with Checkout's