Interesting Helicopter and Fixed-wing Facts for Norfolk, NE

Lift is proportional to the change in the air's momentum (its mass times its velocity): the greater the momentum the greater the lift.

The first helicopter to achieve completely untethered flight was the Cornu in 1907 which managed to hover one foot above the ground for 20 seconds.

Helicopter History for Norfolk, NE

Helicopters are safest to fly in bad weather because they can slow down, stop and/or fly backwards or sideways. If the engine stops, thehelicopter rotor continues to spin allowing the machine to slowly land, generally without crashing to the ground. Over 3 million lives have been saved by helicopters in both peace time and war time operations since the first person was rescued from the sea in 1944. There are more than 11,000 civil helicopters operating just in the U.S.and more than 15,000 civil helicopters operating in more than 157 other countries around the world.