1 1930 â 1939 World History - 1930 â 1939 World History Amelia Earhart (1897â1937) The Library of Congress Picture 2  ... RFC: meaning and definitions-RFC: Definition and Pronunciation. 3  Agencies of the United Nations-Agencies of the United Nations Linked to the United Nations through special agreements, the ...
1 Wood was used on most early airplanes and is now mainly used on homebuilt airplanes. 2  Wood is lightweight and strong, but it also splinters and requires a lot of maintenance. 3  Aluminum (blended with small quantities of other metals) is used on most types of aircraft because it is lightweight and strong.
From the first flight the airplane had no need of changes. The plane was made from a single aluminum spar 10 meters long which supported the entire aircraft, making it very easy to fly. Ten planes were made for the Romanian Air Force, being the second-ever military air force in the world.rom the first flight the airplane had no need of changes. The plane was made from a single aluminum spar 10 meters long which supported the entire aircraft, making it very easy to fly. Ten planes were made for the Romanian Air Force, being the second-ever military air force in the world.