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Marking its sixth new aircraft model in 10 years, Gulfstream Aerospace launched the G300, a $28.9 million derivative of the super-midsize G280, on September 30 during a customer event at its Savannah, Georgia headquarters. Notably, the long-rumored model has 10 Gulfstream-signature panoramic cabin windows, a two-foot cabin stretch, and Honeywell Epic 2-based “Harmony” avionics.
During the event, Gulfstream president Mark Burns revealed a full-scale mockup of the G300 and showed photos of the first aircraft in production in Tel Aviv, where IAI manufactures super-midsize jets under license for Gulfstream.
“Fueled by a decade of investment and our future-forward approach, the Gulfstream next-generation fleet offers our customers the most innovative family of aircraft,” Burns said. “We know how important the super-midsize cabin segment is to our customers, so building on the highly successful G280 program, the G300 will reenergize the category with its heightened technology and safety enhancements, alongside the legendary comfort and styling of a Gulfstream.”
To date, nearly 22,000 hours of ground testing on the G300 have been conducted at Gulfstream’s lab facilities, including an integration test facility with iron bird capability. That facility also completed a virtual first flight last month. Meanwhile, nearly 2,000 ground test hours have been logged on the first aircraft, which is “being prepared for first flight,” a company spokeswoman told AIN. In addition, IAI has begun manufacturing two more test aircraft. Gulfstream has not provided an estimate for service entry, but industry sources point to first-half 2028 for start of deliveries.
Besides structural changes needed to accommodate the larger cabin windows and fuselage stretch, the avionics switch from the G280’s Collins Pro Line Fusion to a Honeywell system likely denotes the biggest certification hurdle for the G300. The Harmony flight deck has six touchscreen displays, synthetic vision, and a predictive landing performance system. A pilot-side HUD is available as an option.
The G300 tips the scales at 39,750 pounds mtow, 150 pounds more than its predecessor, thanks to the two-foot cabin stretch and new windows. Payload is also about 200 pounds less, at 3,820 pounds. However, G300 performance is unchanged from the G280: 3,600-nm and 3,000-nm range at Mach 0.80 and Mach 0.84, respectively; 45,000-foot ceiling; and 4,800-foot cabin altitude at FL410. Its two-zone cabin can seat up to 10 passengers.
Also unchanged between the two super-midsize-jet models are the aircraft's two 7,624-pound-thrust Honeywell HTF7250G engines, conventional hydraulic control system with a yoke, 63-foot wingspan, and Mach 0.85 Mmo.
Business aviation analyst Rolland Vincent of Rolland Vincent Associates (RVA) called the G280 an “underappreciated airplane,” adding that the upgrades will give the G300 “the best cabin in its class.” He told AIN that the Harmony avionics suite helps to standardize the flight deck across the product line, not to mention simplifying the supply chain. RVA is now forecasting a boost in Gulfstream’s super-midsize jet deliveries, calling for 36 G300 handovers per year, up from 24 G280s.
Marking its sixth new aircraft model in 10 years, Gulfstream Aerospace launched the G300, a $28.9 million derivative of the super-midsize G280, two weeks ago during a customer event at its Savannah, Georgia headquarters. Notably, the long-rumored model has 10 Gulfstream-signature panoramic cabin windows, a two-foot cabin stretch, and Honeywell Epic 2-based “Harmony” avionics.
During the event, Gulfstream president Mark Burns revealed a full-scale mockup of the G300 and showed photos of the first aircraft in production in Tel Aviv, where IAI manufactures super-midsize jets under license for Gulfstream. Following the unveiling, the mockup was transported to Las Vegas, where it is being shown this week at Gulstream’s NBAA-BACE static display alongside the G400 prototype and fully outfitted G700 and G800.
“Fueled by a decade of investment and our future-forward approach, the Gulfstream next-generation fleet offers our customers the most innovative family of aircraft,” Burns said. “We know how important the super-midsize cabin segment is to our customers, so building on the highly successful G280 program, the G300 will reenergize the category with its heightened technology and safety enhancements, alongside the legendary comfort and styling of a Gulfstream.”
To date, nearly 22,000 hours of ground testing on the G300 have been conducted at Gulfstream’s lab facilities, including an integration test facility with iron bird capability. That facility also completed a virtual first flight last month. Meanwhile, nearly 2,000 ground test hours have been logged on the first aircraft, which is “being prepared for first flight,” a company spokeswoman told AIN. In addition, IAI has begun manufacturing two more test aircraft. Gulfstream has not provided an estimate for service entry, but industry sources point to first-half 2028 for start of deliveries.
Besides structural changes needed to accommodate the larger cabin windows and fuselage stretch, the avionics switch from the G280’s Collins Pro Line Fusion to a Honeywell system likely denotes the biggest certification hurdle for the G300. The Harmony flight deck has six touchscreen displays, synthetic vision, and a predictive landing performance system. A pilot-side HUD is available as an option.
The G300 tips the scales at 39,750 pounds mtow, 150 pounds more than its predecessor, thanks to the two-foot cabin stretch and new windows. Payload is also about 200 pounds less, at 3,820 pounds. However, G300 performance is unchanged from the G280: 3,600-nm and 3,000-nm range at Mach 0.80 and Mach 0.84, respectively; 45,000-foot ceiling; and 4,800-foot cabin altitude at FL410. Its two-zone cabin can seat up to 10 passengers.
Also unchanged between the two super-midsize-jet models are the aircraft's two 7,624-pound-thrust Honeywell HTF7250G engines, conventional hydraulic control system with a yoke, 63-foot wingspan, and Mach 0.85 Mmo.
Business aviation analyst Rolland Vincent of Rolland Vincent Associates (RVA) called the G280 an “underappreciated airplane,” adding that the upgrades will give the G300 “the best cabin in its class.” He told AIN that the Harmony avionics suite helps to standardize the flight deck across the product line, not to mention simplifying the supply chain. RVA is now forecasting a boost in Gulfstream’s super-midsize jet deliveries, calling for 36 G300 handovers per year, up from 24 G280s.