Some prefer more specific terms that may include a manufacturer’s name along with the aircraft model number, and configuration features such as a distinct cabin layout or upgraded avionics package. However, even using very specific terms when searching for aircraft for sale online may miss some listings due to variations in identification; for example, “Gulfstream G550” vs. “Gulfstream G-550.” More inclusive searches, such as “Gulfstream, large-cabin jet” yield more results.
Equipment trust certificate (ETC): Most commonly used in North America. A trust of investors purchases the aircraft and then "leases" it to the operator, on condition that the airline will receive title upon full performance of the lease. ETCs blur the line between finance leasing and secured lending, and in their most recent forms have begun to resemble securitization arrangements.
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.