Gulfstream G500/G600

G500 / G600
G600 test aircraft in flight
Role Business jet
National origin United States
Manufacturer Gulfstream Aerospace
First flight G500: May 18, 2015[1]
G600: December 17, 2016[2]
Introduction G500: late 2017, G600: late 2018 (planned)[3]
Status Under development
Number built G500: 5 as of May 2016[4]
G600: 3 as of May 2017[5]
Unit cost
G500: $43.5 million, G600: $54.5M[6]

The Gulfstream G500 and G600 (GVII) are twin-engine business jets designed and manufactured by Gulfstream Aerospace. The G500 will replace the G450, flying nearly 30 knots (56 km/h) faster and 18% farther with the same fuel burn.[7] The larger G600 will succeed the G550.[8]

Development

G500 on display at Farnborough International Airshow 2016

Both aircraft were unveiled by Gulfstream Aerospace on October 14, 2014, with the G500 taxiing under its own power.[9] It first flew on May 18, 2015.[1] It is planned to be certified in 2017.[4][10] It should be delivered from late 2017.[3]

The longer G600 had its first flight at Savannah-Hilton Head International Airport on December 17, 2016.[2][11] Four flight-test aircraft and a production G600 will be used for the test program for a scheduled 2018 introduction:[5]

In May 2017, the test fleet of four G500 prototypes and the first production aircraft, made over 745 flights in two years for 2,900 flight hours, on track for the certification by the end of the year.[12]

Design

Airframe

Both models have a four circular arcs cross-section fuselage, similar to the Gulfstream G650, with a 7 in (18 cm) reduction in width and height. Similar in dimension to the Dassault Falcon, the G500/600 have 2 in (5.1 cm) more headroom, 7 in (18 cm) more cabin width and 8 in (20 cm) more floor width than Gulfstream's G450 and G550.[13] The fuselage has an external height of 8 ft 4 in (2.54 m), and width of 8 ft 5 in (2.57 m). The production G500 will have 14 windows, two more than the prototype models.[10]

The wing is a supercritical design with a 0.87 to 0.88 drag divergence Mach number depending upon lift coefficient.[7] It is based on the G650's wing design with the same 36° sweep. The G600's wingspan will be 8 ft (2.4 m) wider than the G500, allowing for 10,000 lb (4,500 kg) of additional fuel. Both models have a new tail design based on the aerodynamic shape and systems of the G650's tail.[6]

The airframe is primarily composed of high-strength aluminum alloys with limited use of steel and titanium alloys. The horizontal stabilizer, fairings, main landing gear doors, rudder and elevators, radome, rear pressure bulkhead and winglets are composite materials. The semi-monocoque fuselage structure is made of stressed skin, frame and longeron.[7]

Engines

The G500/G600 will be powered by the Pratt & Whitney Canada PW800 series turbofan engines (PW814 for G500 and PW815 for G600) which was originally conceived for the Cessna Citation Columbus program. The PW800 is based on the Pratt & Whitney Geared Turbofan core without the gear reduction. The departure from Rolls-Royce Aero Engines is a first for Gulfstream.[8]

Systems

Electric and hydraulic systems are from the G650, as the digital air data computers, secondary power distribution with electronics, cabin acoustical treatment, primary avionics, satcom, improved cabin management system and digital fly-by-wire system. The oxygen, cabin pressurization, landing gear control, aircraft health and trend monitoring systems are adapted from the G650.[13] The auxiliary power unit is a Honeywell HTG400G.[7]

It is equipped with BAE Systems active sidesticks, appearing to be mechanically linked by being electrically back-driven, the first civil aircraft to be so.[7] The Honeywell Symmetry Flight Deck features four portrait main displays, three touchscreens on the overhead panel instead of stand-alone switches ; there are four touchscreens in the glareshield and left and right touch standby displays at each seat. The enhanced flight vision system is displayed through 42×30° field-of-view head-up display, along a complete avionics suite.[14]

Specifications

Model G500[15] G600[16]
crew 2 pilots
Capacity Up to 19 passengers
Length 91 ft 2 in (27.78 m) 96 ft 1 in (29.29 m)
Wingspan 87 ft 1 in (26.55) m 95 ft (28.96 m)
Height 25 ft 6 in (7.78 m) 25 ft 3 in (7.70 m)
Maximum takeoff weight 76,850 lb (34,859 kg) 91,600 lb (41,549 kg)
Maximum landing weight 64,350 lb (29,189 kg) 76,800 lb (34,836 kg)
Maximum Zero Fuel weight 52,100 lb (23,632 kg) 57,440 lb (26,054 kg)
Basic Operating weight 46,600 lb (21,137 kg), 3 crew 51,440 lb (23,333 kg), 4 crew
Maximum Payload 5,500 lb (2,495 kg) 6,000 lb (2,722 kg)
Payload with maximum fuel 1,800 lb (816 kg)
Maximum Fuel 28,850 lb (13,086 kg) 38,760 lb (17,581 kg)
Turbofan (2×) Pratt & Whitney Canada PW814GA Pratt & Whitney Canada PW815GA
Thrust, takeoff (2×) 15,144 lbf (67.36 kN) 15,680 lbf (69.75 kN)
Range (M0.85, 8 pax, NBAA reserves) 5,000 nmi (9,260 km), 3 crew 6,200 nmi (11,482 km), 4 crew
High-Speed cruise speed Mach 0.90, 516 kn (956 km/h) at cruising altitude
Long-Range cruise speed Mach 0.85, 487 kn (902 km/h) at cruising altitude
Maximum speed Mach 0.925, 530 kn (982 km/h) at cruising altitude
Takeoff Distance (SL, ISA, MTOW) 5,200 ft (1,585 m) 5,700 ft (1,737 m)
Landing Distance (SL, ISA, MLW) 3,100 ft (945 m)
Initial Cruise Altitude 41,000 ft (12,497 m)
Maximum Cruise Altitude 51,000 ft (15,545 m)

See also

Related development
Aircraft of comparable role, configuration and era

References

  1. 1 2 "Gulfstream G500 Completes First Flight" (Press release). Gulfstream. May 18, 2015.
  2. 1 2 "Gulfstream G600 takes flight ahead of schedule" (Press release). Gulfstream. December 17, 2016.
  3. 1 2 Kerry Lynch (March 15, 2017). "U.S. FAA Gives Nod to G500, G600 P&WC Engines". Aviation International News.
  4. 1 2 "Gulfstream G500 and G600 programs on track" (Press release). Gulfstream. May 25, 2016.
  5. 1 2 Chad Trautvetter (May 9, 2017). "Gulfstream Flies Third G600, On Track for 2018 EIS". Aviation International News.
  6. 1 2 Alcock, Charles (14 October 2014). "New Gulfstreams Deliver More Range and Cabin Comfort". Aviation International News.
  7. 1 2 3 4 5 "Pilot Report : Gulstream G500". Business & Commercial Aviation. Aviation Week. October 21, 2016.
  8. 1 2 "Analysis: Gulfstream G600 technical description". Flight Global. Oct 24, 2016.
  9. ↑ "Gulfstream Introduces New Aircraft Family" (Press release). Gulfstream. October 14, 2014.
  10. 1 2 "Gulfstream G500 Advances, On Track for 2017 Approval". Aviation International News. September 29, 2016.
  11. ↑ Niles, Russ (17 December 2016). "G600 First Flight". AVweb. Retrieved 19 December 2016.
  12. ↑ Stephen Trimble (22 May 2017). "Gulfstream stays on track with G500 flight test". Flightglobal.
  13. 1 2 "Gulfstream Unveils G500 and G600". Aviation Week. Nov 1, 2014.
  14. ↑ Fred George (Oct 19, 2016). "Symmetry Flight Deck Powered By Honeywell". Business & Commercial Aviation. Aviation Week.
  15. ↑ "G500 Specifications" (PDF). Gulfstream. 2016.
  16. ↑ "G600 Specifications" (PDF). Gulfstream. 2015.
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