The BMW M54 is a naturally aspirated straight-6 petrol engine which was produced from 2000 to 2006.
The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Staten Island, New York, United States.
Suffolk County Transit operates a number of bus routes in Suffolk County, New York, United States; a few in the town of Huntington are operated by Huntington Area Rapid Transit.
The Sukhoi S-54 is a series of three closely related aircraft proposals; the S-54 trainer aircraft, S-55 light fighter designed for export, and the S-56 carrier-capable light fighter.
The Sukhoi Su-27 (Сухой Су-27; NATO reporting name: Flanker) is a twin-engine supermaneuverable fighter aircraft designed by Sukhoi.
Toyota Motor Corporation's S family is a family of cable operated manual transmissions built for small to mid sized front wheel drive vehicles, but also used in mid-engine applications.