File:Oemichen No. 2 Helicopter.jpg

Summary
Oemichen No. 2 Helicopter set a world record on May 4, {1924 A.D.]] when he flew his No. 2 machine for a 14-minute flight covering 5,550 feet (1.05 mi, 1.69 km) while climbing to a height of 50 feet (15 m).