Rotary-wing aircraft, also known as helicopters, are extremely versatile flying machines that can be used for military, civilian, and emergency purposes. Although the term "rotary-wing aircraft" is the most commonly used term for these vehicles, there are several synonyms that can be used to describe them. Some of the most commonly used synonyms for rotary-wing aircraft include "choppers," "helos," "whirlybirds," and "rotorcraft." These names all refer to the same type of aircraft, but they are often used in different contexts or for different purposes. Whether you are discussing helicopters with a military pilot or a civilian aviation enthusiast, you are likely to hear a variety of synonyms for this incredible flying machine.