Nextant Aerospace 400XT

Nextant Aerospace 400XTThe Beechjet 400A/XP is one of the most popular light jet aircraft due to its cabin size, speed and reliability. The aircraft is operated domestically and internationally in many missions. The drawback of the 400A/XP, and most of its competitive aircraft, is its range. The 400A/XP has a range of only 1,333 nm with 4 passengers and IFR reserves. This is largely due to the inefficiencies of the Pratt and Whitney JT15D-5 engine and certain aerodynamic inefficiencies within the aircraft nacelle design. The JT15D engine was one of the earliest high bypass turbo fan engines and thus it is heavy, has high fuel consumption and is costly to maintain.

Additionally, the JT15D-5 engine overhaul cost has increased significantly with overhauls now costing as much as $425,000. The engines are overhauled at 3600 hours and with the average aircraft operating 450 hours per year, the opportune time for the modification is around the 8 year mark.

Replacing the JT15D-5 engines with Williams FJ44-3AP’s and installing new aerodynamically improved engine nacelles increases the performance of the Beechjet 400A/XP substantially.

Combining this engine modification with an upgraded state of the art cockpit, will make modified Beechjet 400A – Nextant 400XT- a true “category killer”. Outperforming all other light jets at its price point (Cessna CJ1, CJ2, Citation Ultra, Citation Bravo and the Hawker Beechcraft Premier) and a lower operating cost and a purchase price of aircraft with less performance. (Embraer Phenom, Grob SPn, Cessna CJ3, CJ4, Encore and Learjet 40XR).

Nextant 400XT – Beechjet 400A/XP Performance Comparison

400XT % Beechjet 400A
Range (4 Pax NBAA IFR Res.)

2005

50%

1333

Long Range Cruise Speed

437

6%

414

High Speed Cruise Speed (kts)

460

2%

450

Takeoff Length @ MTOGW (SL/ISA std. day)

3906

3906

Landing Distance (4 Pax NBAA IFR Res.)

2960

2960

Single Engine Climb Rate

745

144%

305

Operating Cost per mile ††

$1.91 †

30%

$2.72

Time to Climb All Engines

22/FL430

33%

33/FL430

† Based on June 2009 BCA Average Retail Fuel Price NBAA IFR 1,000 nm mission with 4 passengers @ $4.25 per gallon, less reduced engine maintenance costs, weight reductions and fuel savings.
†† Based on June BCA Average Retail Fuel Price NBAA IFR 1,000 nm mission with 4 passengers @ $4.25 per gallon.

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