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Hawker 400
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Hawker 400
The Hawker 400 (also known as the Beechjet 400) is a light business jet. Initially designed and built by Mitsubishi, it has been further developed and updated by the Beech Aircraft Company, now part of Textron Aviation. A military version, the T-1 Jayhawk was also produced. In total, over 900 Hawker 400s have been delivered. In 2017, Hawker began to offer a manufacturer supported upgrade package known as the Hawker 400XPR. The new modifications are intended to reduce fuel consumption and improve range.
The Hawker 400 is a small, low-winged twin-turbofan aircraft of all metal construction, flown by a crew of two pilots and accommodating eight passengers in a pressurised cabin. Its wings use a computer-designed supercritical airfoil in order to minimise drag. Its two Pratt & Whitney Canada JT15D turbofans are mounted on the rear fuselage.
The 400 can fly 1,351 nmi (2,502 km) with four passengers, cruising at Mach 0.71–0.73, and most pilots are comfortable flying it over three hours, about 1,175 nmi (2,176 km) cruising at Mach 0.73–0.76. Typical missions are 1.5 to 2.0 hours with 400 kn (740 km/h) block speeds. It burns 1,500 lb (680 kg) of fuel the first hour, dropping to 1,100–1,200 lb (500–540 kg) for the second. Basic operating weights range from 11,000 to 11,100 lb (4,990 to 5,030 kg), full tanks payload is less than 500–600 lb (230–270 kg) with an average passenger load of three, however its full capacity is six passengers 1,100 nmi (2,000 km).
The aircraft was originally designed as the Mitsubishi MU-300 Diamond, an all-new, all-jet development to complement and slot above the Mitsubishi MU-2 and provide Mitsubishi Heavy Industries with their top-of-the-line corporate aircraft model (hence the name "Diamond").[citation needed] It first flew on August 29, 1978. Mitsubishi chose to certificate the Diamond in the United States under FAA Part 25 regulations for transport aircraft, but additional requirements introduced by the FAA after the crash of an American Airlines DC-10 airliner at Chicago resulted in significant delays in the certification process, with the required changes to the aircraft adding 600 lb (270 kg), and the aircraft not receiving its certification until November 6, 1981. Mitsubishi went on to produce 97 MU-300s, all of which were assembled by the company's United States subsidiary.
In 1985, Mitsubishi sold the rights and a number of unfinished airframes to Beechcraft, who began manufacturing it as their own model, initially re-designated as the Beechjet 400, certificated by the Federal Aviation Administration in May 1986. Raytheon/Beechcraft developed improvements for the 1990 400A for longer range, higher take-off weights, luxury appointments and offering an all-glass flight deck.
Beechcraft developed the T-1 Jayhawk version for the United States Air Force, used as a trainer for crew of large aircraft like tankers and strategic transports: 180 were delivered between 1992 and 1997. The Japan Air Self-Defense Force 400T trainer shares the T1-A Type certificate.
In 1993, Raytheon purchased the Hawker business jets from British Aerospace and renamed the Beechjet 400 as the Hawker 400 to include it in the line.
In 2003, Raytheon began to produce Hawker 400XP, which included: 200 lb (91 kg) gross weight increase, a nine-passenger seating option, thrust reversers, TCAS II, and an emergency locator beacon.
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Hawker 400
The Hawker 400 (also known as the Beechjet 400) is a light business jet. Initially designed and built by Mitsubishi, it has been further developed and updated by the Beech Aircraft Company, now part of Textron Aviation. A military version, the T-1 Jayhawk was also produced. In total, over 900 Hawker 400s have been delivered. In 2017, Hawker began to offer a manufacturer supported upgrade package known as the Hawker 400XPR. The new modifications are intended to reduce fuel consumption and improve range.
The Hawker 400 is a small, low-winged twin-turbofan aircraft of all metal construction, flown by a crew of two pilots and accommodating eight passengers in a pressurised cabin. Its wings use a computer-designed supercritical airfoil in order to minimise drag. Its two Pratt & Whitney Canada JT15D turbofans are mounted on the rear fuselage.
The 400 can fly 1,351 nmi (2,502 km) with four passengers, cruising at Mach 0.71–0.73, and most pilots are comfortable flying it over three hours, about 1,175 nmi (2,176 km) cruising at Mach 0.73–0.76. Typical missions are 1.5 to 2.0 hours with 400 kn (740 km/h) block speeds. It burns 1,500 lb (680 kg) of fuel the first hour, dropping to 1,100–1,200 lb (500–540 kg) for the second. Basic operating weights range from 11,000 to 11,100 lb (4,990 to 5,030 kg), full tanks payload is less than 500–600 lb (230–270 kg) with an average passenger load of three, however its full capacity is six passengers 1,100 nmi (2,000 km).
The aircraft was originally designed as the Mitsubishi MU-300 Diamond, an all-new, all-jet development to complement and slot above the Mitsubishi MU-2 and provide Mitsubishi Heavy Industries with their top-of-the-line corporate aircraft model (hence the name "Diamond").[citation needed] It first flew on August 29, 1978. Mitsubishi chose to certificate the Diamond in the United States under FAA Part 25 regulations for transport aircraft, but additional requirements introduced by the FAA after the crash of an American Airlines DC-10 airliner at Chicago resulted in significant delays in the certification process, with the required changes to the aircraft adding 600 lb (270 kg), and the aircraft not receiving its certification until November 6, 1981. Mitsubishi went on to produce 97 MU-300s, all of which were assembled by the company's United States subsidiary.
In 1985, Mitsubishi sold the rights and a number of unfinished airframes to Beechcraft, who began manufacturing it as their own model, initially re-designated as the Beechjet 400, certificated by the Federal Aviation Administration in May 1986. Raytheon/Beechcraft developed improvements for the 1990 400A for longer range, higher take-off weights, luxury appointments and offering an all-glass flight deck.
Beechcraft developed the T-1 Jayhawk version for the United States Air Force, used as a trainer for crew of large aircraft like tankers and strategic transports: 180 were delivered between 1992 and 1997. The Japan Air Self-Defense Force 400T trainer shares the T1-A Type certificate.
In 1993, Raytheon purchased the Hawker business jets from British Aerospace and renamed the Beechjet 400 as the Hawker 400 to include it in the line.
In 2003, Raytheon began to produce Hawker 400XP, which included: 200 lb (91 kg) gross weight increase, a nine-passenger seating option, thrust reversers, TCAS II, and an emergency locator beacon.
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