Designing a successful human-powered aircraft is difficult because a very large power to weight ratio must be achieved.

Although a technically successful aircraft and nearly viceless in service, it was a type with a very limited market and only two were built.

It is regarded as the first commercially successful passenger-carrying aircraft.

The single-engine Bonanza is one of history's most successful civil aircraft, in production since 1947.

When built it was the largest successful aircraft that had been constructed in Britain.

Most successful aircraft have positive longitudinal stability, providing the aircraft's center of gravity lies within the approved range.

They were not successful aircraft, being heavily criticized by the Italian pilots.

In late 1923 Flight reported on what was claimed to be the first successful aircraft constructed in China.

Some 17 attacks were made by aircraft on the U-boats, non successful.

The Voisins' machines became widely known as Europe's first successful aircraft.