|G500 / G600|
|G600 test aircraft in flight|
|National origin||United States|
|First flight||G500: May 18, 2015
G600: December 17, 2016
|Introduction||G500: early 2018, G600: early 2019 (planned)|
|Number built||G500: 5 as of May 2016
G600: 5 as of August 2017
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. The larger G600 will succeed the G550.
Both aircraft were unveiled by Gulfstream Aerospace on October 14, 2014, with the G500 taxiing under its own power. It first flew on May 18, 2015. It was initially planned to be certified in 2017.
The longer G600 had its first flight at Savannah-Hilton Head International Airport on December 17, 2016. Four flight-test aircraft and a production G600 will be used for the test program for a scheduled 2018 introduction:
- T1, which flew 311 hours in five months, will test brakes development, flying qualities, stall speeds, air data and RVSM;
- T2, which has 52 flight hours in two months, will focus on loads, climb performance, flyover noise and function and reliability testing;
- T3 first flew on May 5, 2017 and will be used for field performance, ice protection, cabin pressurization and oxygen system testing;
- T4 will test automatic flight control systems, avionics and the fuel system;
- P1, the first production G600, will test cabin systems and the production interior.
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.
In August 2017, the FAA issued the G500 a type inspection authorisation to allow in flight evaluation. The five G500 test aircraft have logged more than 3,100h over 820 sorties and completed cabin systems, brakes, lighting, fly-over noise and fuel systems tests. The fifth G500, with a complete interior, will be the first to enter service, as a demonstrator, before customer deliveries in early 2018. The four G600 test fleet accumulated 800h across 170 flights with the fifth being outfitted for its third quarter first flight. During the second quarter of 2017, 80% of Gulfstream orders were for the G500/G600.
Through August 20, the G500s have flown 3,460 h over 905 flights, reaching Mach 0.995 and FL530 while the four G600s have logged 780 h in 175 flights, the longest lasting 13 h 5 min, it completed testing for initial flight envelope expansion and flying qualities, flutter, brakes, low speed or stall, loads calibration, parameter identification and climb performance, the fifth test aircraft will fly later in the quarter.
For the October 2017 NBAA show, five G600 were flying and the five G500s were completing their campaign with 995 flights and 3,690h - 10h 19min for the longest - the first delivery schedule was maintained as certification was pushed until early 2018, while the G600 is to be introduced in early 2019. Mach 0.85 range for the G500 was extended by 200 nmi to 5,200 nm/9,630 km and by 600 nm/1,111 km to 4,400 nm/8,149 km at Mach 0.90, while for the G600 it was extended by 300 nmi/556 km for both Mach 0.85 to 6,500 nm/12,038 km and Mach 0.90 to 5,100 nm/9,445 km.
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. 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.
The wing is a supercritical design with a 0.87 to 0.88 drag divergence Mach number depending upon lift coefficient. 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.
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.
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.
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. The auxiliary power unit is a Honeywell HTG400G.
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. 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.
|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)||5,200 nmi (9,630 km)||6,500 nmi (12,040 km)|
|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)|
- Related development
- Aircraft of comparable role, configuration and era
- "Gulfstream G500 Completes First Flight" (Press release). Gulfstream. May 18, 2015.
- "Gulfstream G600 takes flight ahead of schedule" (Press release). Gulfstream. December 17, 2016.
- Murdo Morrison (10 Oct 2017). "Gulfstream announces range extensions for G500 and G600". Flight International.
- "Gulfstream G500 and G600 programs on track" (Press release). Gulfstream. May 25, 2016.
- "FULLY OUTFITTED GULFSTREAM G600 TEST AIRCRAFT COMPLETES FIRST FLIGHT". Gulfstream News. August 29, 2017.
- Alcock, Charles (14 October 2014). "New Gulfstreams Deliver More Range and Cabin Comfort". Aviation International News.
- "Pilot Report : Gulstream G500". Business & Commercial Aviation. Aviation Week. October 21, 2016.
- "Analysis: Gulfstream G600 technical description". Flight Global. Oct 24, 2016.
- "Gulfstream Introduces New Aircraft Family" (Press release). Gulfstream. October 14, 2014.
- "Gulfstream G500 Advances, On Track for 2017 Approval". Aviation International News. September 29, 2016.
- Niles, Russ (17 December 2016). "G600 First Flight". AVweb. Retrieved 19 December 2016.
- Chad Trautvetter (May 9, 2017). "Gulfstream Flies Third G600, On Track for 2018 EIS". Aviation International News.
- Stephen Trimble (22 May 2017). "Gulfstream stays on track with G500 flight test". Flightglobal.
- Kate Sarsfield (16 Aug 2017). "G500 edges closer to certification milestone". Flightglobal.
- Mark Huber (August 24, 2017). "Gulfstream Continues To Make Progress on G500, G600". AIN.
- J.E. Burnside (October 9, 2017). "Gulfstream: G500/600 Performance Exceeds Original Specs". AIN.
- "Gulfstream Unveils G500 and G600". Aviation Week. Nov 1, 2014.
- Fred George (Oct 19, 2016). "Symmetry Flight Deck Powered By Honeywell". Business & Commercial Aviation. Aviation Week.
- "G500 Specifications" (PDF). Gulfstream. 2016.
- "G600 Specifications" (PDF). Gulfstream. 2015.
- Trautvetter, Chad (14 October 2014). "Gulfstream Racks Up Launch Orders for New G500". Aviation International News.
- Alcock, Charles (14 October 2014). "Gulfstream Unmasks Two New Fly-by-wire Large-cabin Jets". Aviation International News.
- Matt Thurber (April 25, 2015). "Stealthy Development: the G500/600". Aviation International News.