Gulfstream unveils G300 super-midsize jet to replace G280

Oct. 2, 2025
The G300 will replace the G280 and features Gulfstream Panoramic Oval Windows and the Harmony Flight Deck.

Summary Points:

  • Gulfstream Aerospace introduced the all-new G300 super-midsize business jet in Savannah, Ga.
  • The G300 will replace the G280 and features Gulfstream Panoramic Oval Windows and the Harmony Flight Deck.
  • The aircraft can fly 3,600 nautical miles at Mach 0.80 or 3,000 nm at Mach 0.84, with a maximum altitude of 45,000 feet.

SAVANNAH, Ga. - Gulfstream Aerospace Corp., a subsidiary of General Dynamics based in Savannah, Ga., announced the all-new Gulfstream G300 super-midsize jet as the latest addition to its next-generation fleet. The aircraft will replace the G280 and feature Gulfstream's Panoramic Oval Windows, as well as the new Harmony Flight Deck with advanced avionics, for improved safety and efficiency.

Gulfstream unveiled the G300 at its Discover the Difference customer event in Savannah, where company President Mark Burns presented a full-scale mock-up and photos of the first aircraft in production.

"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. "Building on the highly successful G280 program, the G300 will reenergize the category with its technology, safety enhancements, and legendary Gulfstream comfort."

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Aircraft features

The G300 will fly 3,600 nautical miles at Mach 0.80 or 3,000 nm at Mach 0.84, with a maximum cruise altitude of 45,000 feet. Its cabin offers two living areas, 10 Gulfstream Panoramic Oval Windows, 100% fresh air, and a plasma ionization purification system.

The Harmony Flight Deck features six touch screens with Phase-of-Flight intelligence, Synthetic Vision 3D imagery, and Gulfstream’s Predictive Landing Performance System. The aircraft is powered by high-thrust Honeywell engines and a swept Gulfstream wing for fuel efficiency.

The Gulfstream states that its program has logged nearly 22,000 hours of laboratory testing and approximately 2,000 hours of ground testing on the first aircraft, with two additional test aircraft currently in production.

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