The ships in this class are generally able to carry around 900 armed troops and 16 heavy or 35 light helicopters.

Workshop facilities on the ship can support other ships of the fleet and it is capable of supporting heavy helicopters.

A student that masters an R22 generally does not have a problem transitioning to a heavier helicopter.

The engines whined as the blades beat the air down trying to keep the heavy helicopter from crashing into the water.

By the mid-1980s, the heavy helicopters gave way to HH-1H helicopters.

It is the second largest and heaviest helicopter ever constructed, after the experimental V-12.

It will be the largest and heaviest helicopter in the U.S. military.

Some mid-size or executive class helicopters produce wake as strong as that of heavier helicopters.

The airplane was flying behind a 767-300 and above a heavy helicopter.

These alterations made the helicopters so heavy that various tricks had to be employed to make it look fast and agile in the film.