The Tu-330 was to have a swept high-mounted wing design with two high-bypass ratio PS-90A engines mounted below the wings. An optional powerplant system has also been proposed, using NK-93 engines that can operate on LNG (liquefied natural gas) fuel. The aircraft was also designed for commonality with the Tu-204/Tu-214 civilian airliner series, in order to simplify production and minimize costs of manufacturing, maintenance and parts.
In addition to Tu-330, the following variants were proposed:1
Data from 2Jane's All the World's Aircraft 2008–2009
General characteristics
Performance
"Туполев Ту-330". avia.pro. 25 March 2015. Retrieved 3 August 2019. http://avia.pro/blog/tu-330 ↩
Jackson 2008, p. 521 ↩