GRUMMAN AMERICAN GULFSTREAM II/ III / IV/V

1967’€“ Present

Plane & Pilot
Verified
Edited By: Omar Filipović
Gemini Sparkle

Key Takeaways:

  • The Grumman Gulfstream series evolved from the 1958 turboprop Gulfstream I, transitioning to swept-wing turbofan business jets like the Gulfstream II, which entered production in 1965 and was later adapted for feeder airline use.
  • Across models II, III, IV, and V, the aircraft demonstrate a progression in capabilities, featuring increased gross weights (up to 70,200 lbs) and extended ranges (up to 4,952 miles).
  • These jets are powered by Rolls-Royce turbofan engines (Spey in earlier models, Tay in later) and are characterized by their high speeds (up to 588 mph or Mach 0.85) and high operational ceilings (up to 45,000 feet).
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grumman
STANDARD DATA: (II) Seats 19. Gross wt. 62,000. Empty wt. 29,000. Fuel capacity 3,478. Engines two 11,440-lb. s.t. Rolls-Royce Spey turbofans.
PERFORMANCE: Top mph 588. Cruise mph 526. Stall mph 116. Initial climb rate 4,350. Range 3,886. Ceiling 43,000. Takeoff run 5,000. Landing roll 3,190.
GRUMMAN
STANDARD DATA: (III) Seats 19. Gross wt. 68,200. Empty wt. 38,300. Fuel capacity 4,400. Engines two 11,400-lb. s.t. Rolls-Royce Spey turbofans.
PERFORMANCE: Top speed Mach 0.85. Cruise speed Mach 0.77. Stall mph 121. Ceiling 45,000. Range 4,330. Takeoff run 5,850. Landing roll 3,400.
grumman
STANDARD DATA: (IV) Seats 14-24. Gross wt. 70,200. Empty wt. 33,400. Fuel capacity 4,340. Engines two 12,420-lb. s.t. Rolls-Royce Tay turbofans.
PERFORMANCE: Top mph 564. Economy cruise mph 528. Stall mph 121. Ceiling 45,000. Range 4,952. Takeoff run 5,100. Landing roll 3,200.

STANDARD DATA: (V) Seats 14-24. Gross wt. 70,200. Empty wt. 33,400. Fuel capacity 4,340. Engines two 12,420-lb. s.t. Rolls-Royce Tay turbofans.
PERFORMANCE: Top mph 564. Economy cruise mph 528. Stall mph 121. Ceiling 45,000. Range 4,952. Takeoff run 5,100. Landing roll 3,200.

The Grumman Gulfstream II was originally designed as a business jet, but an enlarged version would eventually serve in feeder airline use. This aircraft evolved from the Gulfstream I turboprop, which was introduced in 1958. Production of the swept-wing Model II version with turbofan engines started in 1965, and the first delivery was in 1967. It is one of the larger business jets, with a gross weight of 58,000 pounds. It is also one of the fastest, with a top speed of 589 mph, and it has a long-range capability of up to 3,600 miles.

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