Gulfstream IV-SP (G-IVSP)

Introduction

The Gulfstream IV-SP (G-IVSP) is the Special Performance variant of the original Gulfstream IV, introduced in the early 1990s. It features improved engines, upgraded avionics, and higher takeoff weights, making it even more capable for long-range missions and high-altitude performance. With a luxurious, spacious cabin and outstanding reliability, the G-IVSP is a favorite among executives, VIP travelers, and charter operators seeking transcontinental comfort with Gulfstream prestige.

Specification of Gulfstream IV-SP (G-IVSP) 

• Manufacturer: Gulfstream Aerospace (USA)

• Model: G-IVSP

• Crew: 2 pilots (+ flight attendant recommended)

• Passenger Capacity: 12–14 passengers

• Engines: 2 × Rolls-Royce Tay Mk 611-8 turbofans

• Length: 88 ft 4 in (26.9 m)

• Wingspan: 77 ft 10 in (23.7 m)

• Height: 24 ft 5 in (7.44 m)

• Maximum Takeoff Weight (MTOW): 74,600 lbs (33,839 kg)

• Baggage Volume: 169 cu ft (4.79 m³) – externally accessible and available in flight

Performance and Range of Gulfstream IV-SP (G-IVSP) 

With special performance enhancements, the G-IVSP delivers reliable, long-range operations:

• Maximum Cruise Speed: Mach 0.88 (505 knots / 935 km/h)

• Long-Range Cruise Speed: Mach 0.80

• Maximum Range: 4,220 nautical miles (7,815 km)

• Service Ceiling: 45,000 ft

• Takeoff Distance: ~5,450 ft (1,661 m)

• Landing Distance: ~3,260 ft (994 m)

The G-IVSP is capable of nonstop trips like New York to London, São Paulo to Miami, or Dubai to Munich.

Cabin Comfort and Interior of Gulfstream IV-SP (G-IVSP) 

The Gulfstream IV-SP (G-IVSP)  wide and quiet cabin offers first-class luxury and flexibility:

• Cabin Height: 6 ft 1 in (1.85 m)

• Cabin Width: 7 ft 3 in (2.24 m)

• Cabin Length: 45 ft 1 in (13.74 m)

• Typical Layouts:
  Forward club seating (4 seats)
  Mid-cabin conference/dining table (4 seats)
  Aft divan or stateroom

• Lavatories: One spacious rear lavatory (some have a crew lav in front)

• Galley: Full-service galley with microwave, oven, espresso machine, and fridge

• Interior Amenities:
  Fully reclining seats with swivel and tracking functions
  Optional lie-flat beds for overnight missions
  In-flight Wi-Fi (available on upgraded aircraft), satellite phone, and entertainment screens
  Touchscreen cabin controls (in modernized versions)
  Quiet cabin environment with advanced insulation

This jet is designed for long-haul comfort, supporting both work and relaxation in the sky.

Avionics and Technology of Gulfstream IV-SP (G-IVSP)

The G-IVSP features advanced avionics systems for safer and more efficient flight:

• Avionics Suite: Honeywell SPZ-8400 or upgraded to a modern digital glass cockpit

• Standard Features Include:
  Dual Flight Management Systems (FMS)
  GPS/WAAS and RNAV capabilities
  ADS-B Out, TCAS II, EGPWS, weather radar
  SATCOM voice/data (in many units)
  Optional enhanced vision systems and autopilot with autothrottle
  FANS 1/A+ and CPDLC capabilities in upgraded aircraft

These systems make the G-IVSP well-equipped for global charter missions.

Operational Advantages of Gulfstream IV-SP (G-IVSP)

• High Reliability Record: Known for dependable performance on long-haul trips

• Spacious Cabin, Low Charter Cost: Luxury feel at competitive pricing

• Proven Transatlantic Jet: Regularly used for nonstop global business routes

• Flexible Interior Configurations: Work, sleep, dine, or relax in one flight

• Global Maintenance Network: Supported by Gulfstream's worldwide MRO facilities

The G-IVSP is an efficient and luxurious alternative to newer jets with similar range.

Who Should Charter a Gulfstream IV-SP (G-IVSP)

The G-IVSP is a perfect choice for:

• Business Executives and Corporate Groups: Holding meetings in the sky

• Luxury Tourists and Celebrities: Seeking comfort, discretion, and range

• High-Profile Travel: Diplomatic or government flights requiring security and privacy

• Production and Media Teams: Spacious for gear, teams, and private rest

• Family Groups or Luxury Travelers: For long-range holiday or relocation trips

Ideal for 6–9 hour nonstop missions with up to 14 passengers.

Charter Cost Estimates for Gulfstream IV-SP (G-IVSP)

The G-IVSP offers large-cabin value at a mid-market rate:

• Hourly Charter Rate: $6,500 – $8,500 USD

• Typical 7-Hour Flight: $45,000 – $59,500 USD

• Estimated Cost per Passenger (Full Load): $650 – $850 USD

Rates may vary depending on aircraft age, upgrades, and regional availability.

Conclusion

The Gulfstream G-IVSP is a trusted, capable, and luxurious long-range business jet that continues to deliver exceptional value in the charter market. With a large cabin, excellent transcontinental range, and Gulfstream’s signature reliability, it’s ideal for high-end travelers seeking a smart balance between comfort, cost, and performance. Whether for business or leisure, the G-IVSP remains a top choice for seamless international travel.