1.   The single engine airplane business came back from the dead after the General Aviation Revitalization Act made it harder to sue.

2.   Then, with a single powerful engine burn, the spacecraft can Decelerate to a soft landing on the lunar surface.

3.   The plane standing there was a high wing-braced monoplane with a single engine and a wingspan of more than fifty feet.

4.   As a test, it flew eight drills in which it tested its ability to divert to an airport on a single engine.

5.   As for the plane, one with twin engines is not necessarily safer than one with a single engine, to judge by the statistics.

6.   A two-engine plane is likely to have twice as many problems as one with a single engine.

7.   By all accounts, corporate profit growth is the single most important engine that drives stock prices higher.

8.   Failure of a single engine is unusual, but both at once is extremely rare.

9.   Four prominent Atlanta lawyers and a pilot flying alone were killed Saturday when a private jet and a single engine plane collided in midair over east Cobb County.

10.   For the next few moments it appeared the pilot might regain control of the twin-engine plane, which experts have said can be flown on a single engine.