Mon, Oct 27, 2008
G550 Flies Between US And Mongolia In Record Time
A Gulfstream G550 recently established two city-pair speed
records between the United States and Mongolia.
The business jet flew 3,813 nautical miles from Anchorage,
Alaska, to Ulaanbaatar, Mongolia, in 7 hours and 57 minutes at an
average cruise speed of 0.85 Mach into headwinds of 14 knots. The
G550 then flew 5,868 nautical miles from Ulaanbaatar to San Diego
averaging a speed of 0.82 Mach with an average headwind of 5 knots.
The flight lasted 12 hours and 34 minutes.
The pilot for the flight from Anchorage was Karen F. Tribbett,
demonstration captain, Gulfstream. The copilot was Raymond A.
Wellington, senior international captain, Gulfstream. For the
flight to San Diego, Wellington was the pilot and Tribbett the
copilot. Gulfstream flight attendant Emily Ann Caldwell and eight
passengers were onboard both flights.
Because of the Russian air system's structure, the flights were
approximately 500 nautical miles longer than the great circle
route. In addition, the aircraft flew at a less-than-optimum flight
level (FL) of 39,700 feet for the first seven hours of the flight
from UIaanbaatar to San Diego.
The G550 has set nearly 40 city-pair records since it entered
service in September 2003. The National Aeronautic Association has
certified both flights as U.S. records and has forwarded them to
the Federation Aeronautique Internationale for approval as world
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