The Britten-Norman Trislander (more formally designated the BN-2A Mk III Trislander) is an 18-seat three-engined piston-powered civilian utility aircraft produced in the 1970s and early 1980s by Britten-Norman of Britain. The aircraft were produced on the Isle of Wight. They were also produced in Romania, and delivered via Belgium to Britain for their certification.
Read more about Britten-Norman Trislander: Design and Development, Operational History, Variants, Operators/Former Operators, Accidents and Incidents, Specifications (III-2)