Spinning
rotor blades lift
the helicopter into the air. A tail rotor keeps
it steady. Helicopters can
hover
. They lower
a basket using a thick rope called a cable.
They drop off supplies or pick up people.
A harness can be used
to lower a person to help
others in need.
hover
to stay in one place in the air
8
H E L I C O P T E R S
