Grumman Gulfstream II

 

 

 

 

 

 

Specifications

1st Flight 1966

Crew: 2

Capacity: 19 (maximum certified) / 2,900 lb (1,315 kg) maximum payload

Length: 79 ft 11 in (24.36 m)

Wingspan: 77 ft 10 in (23.72 m)

Height: 24 ft 6 in (7.47 m)

Wing area: 934.6 sq ft (86.83 m2)

Airfoil: stn.50: NACA 0012 modified; stn 145: NACA 63A-009.5; stn 385: NACA 64 series modified

Empty weight: 39,100 lb (17,735 kg) (basic operating weight)

Maximum zero-fuel weight: 42,000 lb (19,051 kg)

Gross weight: 65,500 lb (29,710 kg)

Max takeoff weight: 68,200 lb (30,935 kg)

Maximum landing weight: 58,500 lb (26,535 kg)

Fuel capacity: 28,300 lb (12,837 kg) maximum

Powerplant: 2 × Rolls-Royce Spey 511-8 turbofan engines, 11,400 lbf (51 kN) thrust each

Performance

Stall speed: 105 kn (121 mph, 194 km/h) at MLW, flaps down

Maximum cruising Mach number: M0.85 at max power at 30,000 ft (9,144 m) and AUW of 55,000 lb (24,948 kg)

Never exceed speed: M0.85

Economical cruise speed: M0.77

Range: 3,550 nmi (4,090 mi, 6,570 km) with 8 passengers, NBAA IFR reserves, crew of 3, 2,000 lb (907 kg) / pax

3,970 nmi (4,569 mi; 7,352 km) with NBAA VFR reserves

Service ceiling: 45,000 ft (14,000 m)

Rate of climb: 3,800 ft/min (19 m/s)

1,200 ft/min (6.10 m/s) on one engine

Take-off run (FAA): 5,850 ft (1,783 m)

Landing run (FAA): 3,400 ft (1,036 m)

Operational Noise levels (FAR Pt.36)

Take-off: 91 EPNdB

Approach: 97 EPNdB

Sideline: 103 EPNdB

Variants

The Gulfstream II (G-II) is an American twin engine business jet designed and built by Grumman and then in succession, Grumman American and finally Gulfstream American.

Its Grumman model number is G-1159 and its US military designation is C-11A. 

Gulfstream II (G-1159) – Twin-engined executive, corporate transport aircraft, with accommodation for up to 14 passengers, powered by two Rolls-Royce Spey RB.168 Mk 511-8 turbofan engines.

Received FAA Type Certificate A12EA on October 19, 1967.

Gulfstream II TT – Modified version with tip tanks, increased range. FAA certified May 13, 1977.

Gulfstream IIB (G-1159B) – Modified version, with the wider, wingleted wings and instruments of the Gulfstream III, Maximum takeoff weight increased to 68,200 lb. or 69,700 lb.

FAA certified on September 17, 1981.

Gulfstream II SP – Aircraft modified by the addition of Aviation Partners winglets.

FAA certified under STC ST00080SE on April 22, 1994.

VC-11A – VIP transport version for the US Coast Guard.

One built.

 

 

 

 

 

 

 

 

Share on facebook

Share on facebook