the first plane was built in 1903
the first helicopter was built in 1909
Fly aeroplanes and helicopters
Air Traffic Control
Helicopters are generally more dangerous than aeroplanes.
Igor Sikorsky, a Russian engineer, built his first helicopter in 1909.
Hiller built his first helicopters as people carriers for the army.
cool
The Germans built a few experimental helicopters before WW2, but never put any into production. The first production German helicopter was the MBB 105, about 1966
Helicopters are built, not spawned.
Aeroplanes are built streamlined to increase their flight efficiency. A number of other reasons are involved, but this is the main reason.
Helicopters were developed and built during the first half-century of flight, with the Focke-Wulf Fw 61 being the first operational helicopter in 1936.
Private aircraft, airliners, cargo aircraft, helicopters, decommissioned military aircraft, utility aircraft (e.g., crop dusters).
Birds, aeroplanes (airplanes), bats, helicopters, bees, dragonflies, wasps, lacewings, ladybirds (ladybugs), butterflies, moths and flying ants.