The Gulfstream III is a Gulfstream II with a 3.5-foot stretch in the cabin and a new wing. This wing is longer by over 8 feet and carries 4,961 pounds more fuel increasing range by 921 nautical miles.
Hush kits for this aircraft were introduced when aircraft noise reduction legislation was passed to ban Stage 2 noise level aircraft. They are available from Stage III Technologies LLC and Quiet Technologies Aerospace.
The first flight was a production standard aircraft, which flew on October 2, 1966.
