Full FAA Chronology at this link.
19300505: The Post Office Department, hoping to stimulate air passenger traffic, issued an order calling for the installation of at least two passenger seats in each mail plane operated by day.
19550505: An agreement between the United States and Canada provided for the construction and operation of a new distant early warning (DEW) radar defense line in northern Canada.
19610505: Navy aeronauts Malcolm Ross and Victor Prather set a balloon high altitude record of 113,740 feet while testing space suits developed for use by Project Mercury astronauts.
This Day in FAA History: May 5th
