Eufaula, Alabama. Eufaula is the largest city in Barbour County, Alabama, United States.
Leonardo da Vinci (1452â1519) is generally credited with inventing the helicopter, but the first practical design was developed only in the 1930s by Russian-born Igor Sikorsky (1889â1972). Today, typical uses for helicopters include military transportation and air-sea rescue.eonardo da Vinci (1452â1519) is generally credited with inventing the helicopter, but the first practical design was developed only in the 1930s by Russian-born Igor Sikorsky (1889â1972). Today, typical uses for helicopters include military transportation and air-sea rescue.
The Mi-26 (Nato reporting name: Halo) is a heavy transport helicopter produced by Rosvertol's aviation plant in Russia. The helicopter has a maximum speed of 295km/h, which makes it the world's fastest heavy-lift military transport helicopter. The Mi-26 made its first flight in December 1977.