Gulfstream introduces new supermidsize G250

According to the manufacturer, the Gulfstream G250 will offer the best performance in its class, with a range of 3400 nm at Mach 0.80. (center) Gulfstream PlaneView 250 flightdeck will feature three 15-inch adaptive LCD panels and 2 PlaneBook computer tablets. (bottom) Three cabin floorplans will accommodate up to 10 passengers. Cabin altitudes are low-7000 ft at FL 450 and 6000 ft at FL 410.

Gulfstream announced its newest entrant in the supermidsize market-the G250 -on Oct 5, during the NBAA convention in Orlando FL. According to the manufacturer, the G250 will have the longest range/ speed in its class-3400 nm at Mach 0.80-as well as the most spacious cabin in the supermidsize class.

Gulfstream launched the G250 program internally in 2005. Participants in the company's Advanced Technology Customer Advisory Team (ATCAT) played what Pres Joe Lombardo describes as a definitive role in designing the aircraft.

ATCAT requests included in-flight-accessible baggage and a balanced field length (BFL) of less than 5000 ft at MTOW (39,600 lb). Power for the G250 will come from 2 fuel-efficient high-thrust Honeywell HTF7250G turbofans, producing 7445 lb max takeoff thrust apiece (with auto power reserve) and permitting climb to initial cruise (FL 410) in less than 20 minutes.

The G250 will be certified to FL 450, and max cruise speed will be Mach 0.85. The G250 will have 140 sq ft of finished floor area-up to 35% more than its competitors-allowing for increased storage and a large lav with vacuum toilet system.

This gain in cabin space was achieved in part through elimination of the fuselage fuel tank. The 19-window cabin will seat 8-10 passengers in 3 floorplans, which Gulfstream is calling Executive, Universal and Hallmark. Cabin altitude will be 7000 ft at FL 450.

Among the G250's key features are a newly designed transonic wing optimized for improved takeoff performance and high-speed cruise. Overall wingspan is 63 ft 0 in-almost 5 ft greater than that of the G200. The G250 will have an all-new Gulfstream PlaneView 250 flightdeck, featuring Rockwell Collins Pro Line Fusion avionics and three 15-inch LCD panels.

The cockpit will feature dual FMSs and dual cursor control devices. Two new standby multifunction controllers (SMCs), installed in the cockpit glareshield, will incorporate EFIS display control, standby instrument and remote information displays on a 5.3-in LCD.

Gulfstream SV-PFD, EVS II and Rockwell Collins HGS6250 HUD II will be optional. Autothrottles will be standard. Suppliers on the G250 include Spirit (wings), Moog (auto flight control system) and Meggitt (brakes).

Gulfstream notes that the G250 will be the only aircraft in its class with autobraking. Independent mechanical backup will be provided by a brake-by-wire system. Fixed price for the G250 is $24 million.

Gulfstream says that first flight is projected for the second half of 2009, with 3 aircraft involved in flight testing. Certification is expected in 2011, followed by first customer deliveries.

Israel Aircraft Industries (IAI) will conduct G250 initial phase manufacturing in Tel Aviv. Final phase manufacture, interior outfitting and painting will be done at Gulfstream's DAL (Love, Dallas TX) midcabin aircraft completion facility. -Phil Rose

Industry

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