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Which letter must appear at the beginning of the registration number of all non-military aircraft in the United States?

40%
A hand-colored vintage photograph shows a small crowd inspecting a biplane parked on a Florida beach in 1919.
Retry Correct Incorrect Airplane use was on the rise at the end of World War I, and the 1919 Paris International Air Navigation Convention assigned one-letter codes to participating nations. The U.S. received “N” as its designated letter.
Robert Alexander/Archive Photos/Getty Images
Robert Alexander/Archive Photos/Getty Images

Which letter must appear at the beginning of the registration number of all non-military aircraft in the United States?

  • A
  • U
  • L
  • N
40%

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