Charter, also called air taxi or ad-hoc flights require certification from the associated country's regulating body such as the FAA in the U.S. The regulations are differentiated from typical commercial/passenger service by offering a non-scheduled service. In the U.S. these flights are regulated under FAA Part 135. There are some cases where a charter operator can sell scheduled flights, but only in limited quantities.
While today’s connected society allows people to access a vast wealth of information, right at their fingertips, the reality of the Web is that it provides a very incomplete picture of private jets for sale or the private jet marketplace. Indeed, many of the best aircraft for sale never appear on the Internet, as they’re bought and sold among Aircraft Brokers for their clients without ever being listed for sale.
Manufactured by Canadian aerospace firm Bombardier, the Challenger name encompasses a family of aircraft billed as “the best-selling business jet platform of the last decade.” All Challenger jets feature fuel-efficient turbofan engines, true “walk-about” cabins, and a supercritical wing design offering impressive climb and cruise performance at lower thrust settings.
On 1 April 2017, there were 22,368 business jets in the worldwide fleet, of which 11.2% were for sale. 5-year old aircraft residual value level is at a 56% of the list price. A new business aircraft depreciate by 50% in five years before depreciation flattens between years 10 and 15, and the owner of a 15 to 20 years old is often the last, matching luxury cars.