Сухой, Gulfstream С-21
Страна: International
Год: 2001
(проект)

Сверхзвуковой S-21G - совместная разработка российского ОКБ П.О.Сухого и американской фирмы "Гольфстрим Аэроспейс"
'Notional' Gulfstream SBJ model used to announce the project (1999)
A three-view drawing of one version of the Gulfstream-Sukhoi SSBJ (supersonic businessjet), with three engines. Power plant development is to be a joint effort by Rolls-Royce and the Lyulka design bureau, and may allow the SSBJ to evolve as a twin-engined design.