Company CEO Matthias Betsch indicated that the key to the aircraft's success will be the price of US$250,000, saying: "We'll do everything to make that number.

"[2][3] In writing about the aircraft's price goal, AVweb's Paul Bertorelli wrote: "here comes Flight Designs with a certified, four-place cruiser it proposes to sell for around $250,000.

[9] At the 2012 Aero Expo in Germany, Flight Design displayed a fuselage mock-up of the C4.

[10] At Sun 'n Fun 2013 the company indicated that they were delaying development of the aircraft to take advantage of the Federal Aviation Administration's review of the FAR 23 type certification standards, which should simplify and reduce the cost of certifying the C4.

At this time the first flight of a proof of concept prototype was forecast for the summer of 2014 with certification by the end of 2015.

The initial flight data showed that it met its design performance goals and had benign approach to stall characteristics.

In January 2018, it was announced that the design for be updated to reflect the regulatory and technology changes that had occurred in the intervening eight years since the C4 was conceived and that production would result in up to six aircraft being produced per month in late 2018.

[2][4] Optional equipment will be available that will allow the aircraft to be used in the glider or banner towing role or on floats.

[4] Data from AvWeb and Company fact Sheet[2][4][17]General characteristics Performance Avionics