Dr. Charles Huang's Gulfstream V N889KH flies from Miami to Buenos Aires in 8 hours 10 minutes

Dr. Charles Huang's Gulfstream V, tail number N889KH, flew from Miami-Opa Locka Executive Airport in Florida to Ezeiza International Airport in Buenos Aires, Argentina, on Monday, October 26, 2026. The flight departed at 16:10 UTC and landed at 00:20 UTC, spending 8 hours 10 minutes in the air. The great-circle distance between the two airports is 3,947 nautical miles, or 4,542 miles.

The aircraft covered that distance at an average ground speed of 483 knots, reaching a top speed of 543 knots and a highest altitude of 43,025 feet. The flight burned an estimated 3,430 US gallons of fuel, producing about 32,947 kilograms of CO2, roughly the same as driving a car 81,551 miles. N889KH is a 1998 Gulfstream V, the original ultra-long-range Gulfstream, with a range of 6,675 nautical miles, a top speed of Mach 0.885, a ceiling of 51,000 feet, and seating for up to 16 passengers.

The flight used about 59 percent of the aircraft's range. Miami-Opa Locka Executive Airport has a longest runway of 8,002 feet at an elevation of 8 feet. Ezeiza International Airport's longest runway is 10,827 feet at an elevation of 67 feet.

In the 30 days before this flight, N889KH visited 24 airports in 5 countries and flew about 20,198 nautical miles. The longest leg in that period was from New York to Van Nuys on September 29, covering 2,143 nautical miles. Over those 30 days, the aircraft made 30 flights, spent 57.2 hours in the air, and produced an estimated 230,690 kilograms of CO2. This was the first tracked landing at Buenos Aires in the window of 39 flights between September 19 and October 26, 2026. The aircraft is based at Van Nuys Airport in California, and its most common destinations in that window were Teterboro, Nashville, and Van Nuys. Before this flight, the aircraft had been on the ground for about 2 hours after its previous tracked landing at Miami.

Before this flight, the aircraft made a short hop from Miami to Miami on October 26, covering 8 nautical miles in 12 minutes. On October 25, it flew from Nashville to Miami, a distance of 703 nautical miles in 1 hour 40 minutes. That same day, it traveled from Bowling Green to Nashville, 58 nautical miles in 14 minutes, and from Columbus to Bowling Green, 263 nautical miles in 45 minutes.

Dr. Charles Huang is a Chinese-American investor and philanthropist based in Pasadena, California. He founded Pasaca Capital Inc., a private-equity house, and Innova Medical Group, which became one of the world's largest distributors of rapid COVID tests. Through the Charles Huang Foundation he has given tens of millions to universities and hospitals. No public events or meetings tied to Dr. Charles Huang were found near Buenos Aires on this date.

The aircraft is managed by Pegasus Elite Aviation, which markets it for charter, so some flights may carry paying passengers rather than the owner. N889KH remains at Buenos Aires as of its last tracked position.