[4] It made its public debut in November 2002 when a development aircraft was displayed at the National Business Aviation Association (NBAA) convention.

[5] The Hawker 4000 was certified to FAA FAR Part 25 standards, which places a five-year time limit on certification of a new transport category aircraft.

[6] During September 2005, a prototype underwent testing at the McKinley Climatic Laboratory at Eglin Air Force Base, Florida.

[7] However, since the Part 25 five-year window expired May 31, 2006, the company filed an extension request to head off the possibility that the certification program would need to restart from the beginning.

[17] This composite construction also makes the aircraft lighter than a standard aluminum structure, allowing a maximum range of 3,445 nautical miles, and a service ceiling of 45,000 feet (14,000 m).

[18] The flight deck features a Honeywell Primus Epic avionics suite with EICAS, FADEC and autothrottle.