Tupolev Tu-155
| Tu-155 | |
|---|---|
| СССР-85035 | |
| General information | |
| Type | Alternative fuel testbed aeroplane | 
| National origin | Soviet Union | 
| Manufacturer | Aviakor | 
| Primary user | Flight Testing Base of the Tupolev Design Bureau | 
| Number built | 1 | 
| History | |
| First flight | 15 April 1988 | 
| Developed from | Tupolev Tu-154 | 
The Tupolev Tu-155 is a modified Tupolev Tu-154 (СССР-85035) which was used as an alternative fuel testbed, and was the world's first experimental aircraft operating on hydrogen and later liquid natural gas. The similar Tu-156 was never built.