- On March 8, 2005, the 300th T-6A primary trainer is delivered to the U.S. Air Force, marking substantial progress on the Joint Primary Aircraft Training System program contract that calls for the delivery of 800 aircraft through 2017.
- On March 16, 2005, Raytheon Aircraft Company reaches a tentative agreement with NetJets to purchase up to 50 Hawker Horizons for its expanding fractional market fleet, confirming the quality and performance of the most technically-advanced super-midsize business jet on the market.
- On March 16, 2005, Raytheon Aircraft Company reaches a tentative agreement with NetJets to purchase up to 50 Hawker Horizons for its expanding fractional market fleet, confirming the quality and performance of the most technically-advanced super-midsize business jet on the market.
- On May 18, 2005, the Hawker 800XPi is unveiled at EBACE as an improved version of the Hawker 800XP, featuring avionics upgrades, new cabin management system, and a standard 5-year warranty on the airframe, engines and avionics. The new Premier IA is also announced as the next evolution to the industry-leading Premier I, featuring a totally redesigned interior and avionics enhancements.
- On June 13, 2005, Raytheon Aircraft Company announced during the Paris Air Show the Beechcraft King Air 350ER, an extended range special mission aircraft that provides a one-company solution by combining expertise from two of Raytheon’s other businesses, Space & Airborne Systems and Technical Services Company.
- On July 25th, Raytheon Aircraft Company unveiled at Oshkosh the new Beechcraft King Air C90GT, an evolution of the popular Beechcraft King Air C90B. The upgraded Beechcraft King Air C90GT delivers a 25-knot increase in max cruise speed and up to 50 percent reductions in the time needed to reach optimum cruise altitude.
- On August 9, 2005, Hainan Airlines became the first Raytheon Aircraft Authorized Service Center in mainland China.
- On September 20, 2005, the National Aeronautics Association presented an official speed record for the Beechcraft Premier I at the National Championship Air Races and Air Show in Reno, Nev.
- On October 25, 2005 Raytheon Aircraft Company certified the new Beechcraft Premier IA. Featuring a redesigned interior, upgraded avionics, and a 5-year warranty, the composite fuselage aircraft is the largest single-pilot jet in the world.
- On November 3, 2005, Raytheon Aircraft Company announced certification of the Beechcraft Bonanza G36, with the first fully integrated avionics system in a piston-engine aircraft. Proven year after year, the airplane’s solid, unmistakable feel combined with the Garmin G1000 avionics system and GFC 700 autopilot, provides incredible safety and situational awareness.
- On November 8, 2005 at NBAA, Raytheon Aircraft Company introduced the Hawker 850XP, the newest aircraft in the Hawker family, utilizing winglets designed by RAC. The aircraft is an evolution of the highly successful Hawker 800XPi.
- On November 8, 2005, Raytheon Aircraft Company announced that its super-midsize Horizon business jet would transition to the Hawker family nomenclature as the Hawker 4000.
