The Private Jet Hawker 400XP: A Complete Guide to the Light Jet That Refuses to Retire
Few business jets have lasted as long, or changed names as often, as the Hawker 400XP. Its story runs from a Japanese design studio in the 1970s, through a Wichita production line, into U.S. Air Force pilot training, and finally into the fleets of charter operators, fractional programs, and corporate flight departments worldwide. Nearly 1,000 airframes in this family were built over a production run of almost three decades, and many remain in active service today.
This guide explains where the Hawker 400XP came from, how it performs, what it is like inside, how it can be upgraded, and what operators should know about the pilots and maintenance professionals who keep it flying.
From Mitsubishi Diamond to Hawker 400XP
The Hawker 400XP did not begin life as a Hawker, or even as a Beechcraft. It started as the Mitsubishi MU-300 Diamond, a twin-turbofan business jet developed by Mitsubishi Heavy Industries. The Diamond first flew in 1978 and received its type certificate in November 1981.
Mitsubishi later introduced the improved Diamond II, with more powerful Pratt & Whitney Canada JT15D-5 engines and greater fuel capacity. In 1985, Beech Aircraft acquired the rights to the program. Beech redesigned the interior, increased fuel capacity, offered thrust reversers as an option, and renamed the aircraft the Beechjet 400, which the FAA certified in May 1986. By 1989, Beech had moved manufacturing to its facility in Wichita, Kansas.
The next major step was the Beechjet 400A, which first flew in September 1989 and entered service in 1990. It brought upgraded JT15D-5 engines, Rockwell Collins Pro Line 4 avionics, a higher gross weight, better performance, a higher cruising altitude, and a larger, more efficient cabin layout.
After Raytheon acquired the Hawker jet line from British Aerospace in 1993 and merged it with Beech to form Raytheon Aircraft in 1994, the Beechjet was eventually brought under the Hawker name. In 2003, the aircraft was rebranded the Hawker 400XP, with "XP" standing for "extra payload." Several features that had been optional on the 400A became standard on the 400XP, including:
A 200-pound increase in gross weight
A nine-passenger seating option
Thrust reversers
Vapor-cycle air conditioning
TCAS II (Traffic Collision Avoidance System)
An emergency locator transmitter
Production of the 400XP continued under Hawker Beechcraft until 2010. According to AvBuyer, 251 Hawker 400XPs were built, and nearly 1,000 airframes were produced across the entire Diamond, Beechjet, and Hawker 400 family.
A Military Cousin: The T-1A Jayhawk
The same basic design also became a military trainer. The Beech 400T, a military version of the 400A, entered U.S. Air Force service as the T-1A Jayhawk, which is used to train crews for tankers and strategic transport aircraft. Japan's Air Self-Defense Force operates the type as the T-400. The Jayhawk includes additional fuel tankage, reinforced wing leading edges and windshield, and a relocated avionics bay. For operators, this military heritage means the airframe has been proven in demanding, high-cycle training environments.
Hawker 400XP Specifications at a Glance
Published figures vary slightly from source to source depending on configuration, payload, and reserve assumptions. The table below summarizes widely reported values.
Specification | Hawker 400XP (Typical Published Value) |
Category | Light jet |
Crew | 2 pilots |
Passengers | 7 typical; up to 8–9 depending on configuration |
Engines | 2 × Pratt & Whitney Canada JT15D-5 series turbofans |
Thrust | Approximately 2,965 lb per engine |
High-speed cruise | Approximately 450 knots |
Long-range cruise | Approximately 414 knots |
Range (4 passengers, NBAA IFR reserves) | Approximately 1,400–1,500 nm |
Maximum certified altitude | 45,000 ft |
Cabin pressure differential | 9.1 psi (sea-level cabin up to 24,000 ft) |
Cabin length | Approximately 15 ft 6 in |
Cabin width | Approximately 4 ft 11 in |
Cabin height | Approximately 4 ft 9 in |
Cabin volume | Approximately 305 cubic feet |
Baggage capacity | Approximately 53–56 cubic feet |
Takeoff distance (sea level) | Approximately 3,906 ft |
Landing distance | Approximately 3,514 ft |
Performance: Fast, Stable, and Built for Regional Missions
The Hawker 400XP has earned a reputation as one of the quicker light jets of its generation. Hawker Beechcraft published a high-speed cruise of about 450 knots at 39,000 feet, along with a range of roughly 1,464 nautical miles with four passengers under NBAA IFR reserves. Jet Advisors reports that the aircraft can climb to 37,000 feet in about 18 minutes, with an optimal long-range cruise of around 414 knots.
The Wing and Flight Controls
One of the aircraft's most distinctive design features is its wing. The 400-series uses a swept wing with a 20-degree quarter-chord sweep and a computer-designed supercritical airfoil intended to reduce drag. Rather than relying on conventional ailerons, the aircraft uses over-wing spoilers for roll control and lift dumping, paired with double-slotted inboard flaps and single-slotted outboard flaps. Pilots often describe the result as a stable, solid-handling airplane, particularly in turbulence.
Typical Missions
In practical terms, the Hawker 400XP is well suited to:
Regional business trips of two to three hours
Charter flights between major metro areas, such as Florida to the Northeast
Fractional and corporate shuttle operations
Owner missions that value speed over maximum cabin size
Its 45,000-foot ceiling allows it to climb above much of the weather and congested airspace, while standard thrust reversers add a margin of safety on shorter or contaminated runways.
Inside the Cabin
The 400XP cabin measures about 15 feet 6 inches long and roughly 4 feet 9 inches tall. Passengers sit rather than stand, which is typical of the light-jet category. The standard layout seats seven, usually with four seats in a club arrangement with fold-out work tables, plus additional individual seats or a side-facing divan. A belted seat in the enclosed aft lavatory can raise capacity when needed.
The cabin's 9.1 psi pressurization maintains a sea-level cabin altitude up to 24,000 feet, which helps reduce passenger fatigue on climbs and descents. Common amenities include a refreshment center, an enclosed lavatory, and optional cabin management and entertainment systems, depending on how each aircraft was completed or refurbished.
Avionics and Flight Deck
The Beechjet 400A and early Hawker 400 aircraft were delivered with the Rockwell Collins Pro Line 4 avionics suite. As the fleet aged, many owners pursued avionics modernization. Upgrade paths offered through Textron Aviation have included the Collins Pro Line 21 retrofit and, for later programs, the Garmin G5000 integrated flight deck. These upgrades help the aircraft meet modern airspace requirements, reduce pilot workload, and support resale value.
For pilots, this means that two Hawker 400XPs can have very different cockpits. Employers should verify a candidate's experience with the specific avionics suite installed on their aircraft, not only the airframe type.
Upgrade Programs: Hawker 400XPR and Nextant 400XT
Because the airframe is strong and widely supported, two major remanufacturing paths have extended the 400XP's service life.
Hawker 400XPR (Factory Upgrade)
Textron Aviation's Hawker 400XPR is a factory-engineered upgrade that replaces the original engines with Williams International FJ44-4A-32 turbofans and adds Genuine Hawker Winglets. According to Textron, the combination offers a 33 percent increase in range, improved runway and hot-and-high performance, and the ability to climb directly to FL450 in about 19 minutes at maximum takeoff weight. The FAA certified the program in 2016, and Textron delivered its first fully configured 400XPR in 2017. Owners can complete the program in stages or all at once, in as little as 12 weeks, and can choose between Pro Line 4, Pro Line 21, or Garmin G5000 avionics.
Nextant 400XT
Nextant Aerospace developed the Nextant 400XT, a remanufactured version of the Beechjet 400A and Hawker 400XP that uses Williams FJ44-3AP engines, new avionics, and an updated interior. It received FAA certification in October 2011.
These programs illustrate why the 400 series remains relevant. Operators can modernize a proven airframe instead of replacing it, which keeps demand steady for pilots and technicians who know the type.
Pilot Requirements: Type Rating and Crew Considerations
The Hawker 400XP is certified for two pilots. Pilots who act as pilot in command must hold the appropriate type rating. The Beechjet and Hawker 400 family, including the MU-300 variants, shares a common type rating designated BE40, according to Brazil's civil aviation authority (ANAC) operational evaluation report.
When hiring pilots for the 400XP, operators commonly look for:
A BE40 type rating, or a willingness to complete initial type training
Experience with the installed avionics suite (Pro Line 4, Pro Line 21, or Garmin G5000)
Part 91 or Part 135 operational experience, depending on the mission
Clean training records, Pilot Records Database history, and safety-culture fit
Strong customer-service skills for charter and corporate passengers
Because the 400 series is common in charter and fractional fleets, BE40-rated pilots are often in demand, and experienced captains on the type can be competitive hires.
Maintenance Considerations
The Hawker 400XP's Pratt & Whitney Canada JT15D engines are among the most widely used turbofans in business aviation, which supports a mature parts and service network. Like most business jets, the aircraft follows a structured inspection program. A recent aircraft listing on GlobalAir, for example, shows a phased schedule that includes A inspections every 200 hours, AB inspections every 400 hours, ABC inspections every 1,200 hours, and ABCD inspections every 5,000 hours, although each aircraft's program should be confirmed against its own maintenance records.
For maintenance teams, key considerations include:
Engine program status: Many owners enroll engines in hourly cost-protection programs, which affects resale value and budgeting.
Avionics configuration: Mixed fleets may include Pro Line 4, Pro Line 21, and Garmin G5000 aircraft, which requires broader technician training.
Upgraded aircraft: 400XPR and Nextant 400XT conversions use Williams engines, so technicians must be qualified on different powerplants.
Airframe age: With production ending in 2010, corrosion inspections, wiring checks, and component overhauls become increasingly important.
Qualified A&P mechanics, avionics technicians, and inspectors with Hawker 400 or Beechjet experience remain valuable to operators and maintenance, repair, and overhaul (MRO) facilities.
Why the Hawker 400XP Still Matters
The Hawker 400XP remains a practical choice for buyers who want jet speed and a stable, solid ride at a pre-owned price point. Its strengths include:
Speed: Cruise speeds around 450 knots place it among the faster light jets of its era.
Durability: A design proven in civil, fractional, and military training service.
Upgrade potential: Factory and aftermarket programs that extend range and modernize the cockpit.
Support: Continued service through Textron Aviation and a broad network of independent shops.
Its trade-offs are a smaller cabin than many newer light jets and the higher maintenance attention that comes with an older airframe. For many operators, however, the balance of speed, reliability, and acquisition cost continues to make sense.
Staffing a Hawker 400XP Operation
Every aircraft is only as safe and reliable as the people who fly and maintain it. Operators of the Hawker 400XP need type-rated captains, qualified first officers, technicians familiar with JT15D or Williams engines, avionics specialists, and schedulers who understand the aircraft's performance limits.
If you are a job seeker looking for opportunities on this aircraft or similar light jets, explore these related search results on AllAviationJob.com:
Candidates can also prepare with OSI Recruit's interview prep tips and free resume samples, or visit the job seekers page. For more aircraft profiles, browse OSI Recruit's aircraft information library and the OSI Recruit blog.
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Finding a BE40-rated captain, a first officer who fits your culture, or a technician who knows the JT15D inside and out should not slow down your operation. OSI Recruit specializes in aviation recruitment, connecting charter operators, corporate flight departments, fractional programs, and MRO facilities with pre-screened pilots, maintenance professionals, and operational staff.
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Sources
AOPA, "Quick Look: Beechjet 400A": https://www.aopa.org/news-and-media/all-news/2012/december/pilot/quick-look-beechjet-400a
Aviation Week, "The Beechjet 400A, A Constant Performer": https://aviationweek.com/business-aviation/aircraft-propulsion/beechjet-400a-constant-performer
AvBuyer, "Beechjet/Hawker 400 Series – Under the Spotlight": https://www.avbuyer.com/articles/blogs/beechjet-hawker-400-series-under-the-spotlight-62904
Wikipedia, "Hawker 400": https://en.wikipedia.org/wiki/Hawker_400
Airport Technology, "Hawker Beechcraft Hawker 400XP": https://www.airport-technology.com/projects/beechjet/
Textron Inc., "Hawker 400XPR achieves FAA certification": https://investor.textron.com/news-releases/news-details/2016/Hawker-400XPR-achieves-FAA-certification-first-full-upgraded-400XPR-inducted-09-15-2016/default.aspx
Textron Inc., "Textron Aviation successfully completes G5000 avionics upgrade": https://investor.textron.com/news-releases/news-details/2017/Textron-Aviation-successfully-completes-G5000-avionics-upgrade-for-NASCAR-driver-Martin-Truex-Jr--10-05-2017/default.aspx
AIN, "Textron Delivers First Fully Configured Hawker 400XPR": https://www.ainonline.com/aviation-news/business-aviation/2017-07-20/textron-delivers-first-fully-configured-hawker-400xpr
BJT Online, "Nextant 400XT": https://www.bjtonline.com/business-jet-news/nextant-400xt
ANAC (Brazil), Operational Evaluation Report, MU-300 / BE-400 / BE-400A: https://www.gov.br/anac/pt-br/assuntos/regulados/aeronaves/avaliacao-operacional/RelAvOpReduzidoHawker400.pdf
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