Post office

Transcontinental Air Mail Service circa 1925 US Post Office; DeHavilland DH-4

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• published: 29 Sep 2014
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more at http://scitech.quickfound.net/aviation_news_and_search.html Great early aviation footage: "The United States Post Office Department presents its Air Mail Service." Transcontinental airmail on a DeHavilland DH-4 (aka Airco DH.4) in 32 hours (eastbound) or 35 hours (westbound) flying 24 hours a day. Silent. Public domain film from the US National Archives, slightly cropped to remove uneven edges, with the aspect ratio corrected, and mild video noise reduction applied. http://creativecommons.org/licenses/by-sa/3.0/ http://en.wikipedia.org/wiki/Airmails_of_the_United_States ...The first scheduled U.S. Air Mail service began on May 15, 1918, using U.S Army Curtiss JN-4HM "Jenny" biplanes flown by Army pilots operating on a route between Washington, D.C. (Washington Polo Grounds) and New York City (Belmont Park) with an intermediate stop in Philadelphia (Bustleton Field). Among those who were on hand for the departure of the first flight from Washington, D.C., were President Woodrow Wilson, U.S. Postmaster General Albert S. Burleson, and Assistant Secretary of the Navy Franklin D. Roosevelt. Army Lt. George L. Boyle was selected to pilot aircraft #38262 on the first Northbound flight... After four months of the mail being flown by the Army, all flight operations were taken over by the USPOD's Aerial Mail Service on August 12, 1918, using a fleet of six purpose built mail biplanes designed and constructed by the Standard Aircraft Corporation of Elizabeth, NJ, and flown by civilian pilots hired by the Post Office Department. After a number of "pathfinder" flights made in September, November, and early December, the first flight providing scheduled east-west service between New York and Chicago occurred on December 17, 1918... Scheduled Transcontinental Air Mail service flown between New York (Hazelhurst Field, L.I.) and San Francisco (Crissy Field) began on September 8, 1920, over a route laid out in July and August by Eddie Rickenbacker and Bert Acosta who had helped pilot the first experimental through flight carrying about 100 letters which landed at Durant Field located at 82nd Ave and E. 14th St. in East Oakland. The transcontinental mails were originally flown only during daylight hours while being entrained at night, although on February 22, 1921, a nighttime leg on this route (Omaha to Chicago) was flown for the first time with Jack Knight as the pilot. The first daily Transcontinental Air Mail service involving both day and night flying over the entire route was opened on July 1, 1924, which reduced the time of the trip from more than 70 hours to a schedule of 34 hours 46 minutes Westbound, and 32 hours 3 minutes Eastbound.. In addition to New York and San Francisco, the route included thirteen intermediate stops where mails were exchanged and aircrew relieved. This was accomplished at airfields located at Bellefonte (PA), Cleveland (OH), Bryan, (OH), Chicago (IL), Iowa City (IA), Omaha (NE), North Platte (NE), Cheyenne (WY), Rawlins (WY), Rock Springs (WY), Salt Lake City (UT), Elko (NV) and Reno (NV)... For the first eight years of the Air Mail service (May, 1918 to February, 1926), all mails were flown entirely in U.S. Government owned and operated airplanes. On February 2, 1925, however, the Congress mandated that this would change.. http://en.wikipedia.org/wiki/Airco_DH.4 The Airco DH.4 was a British two-seat biplane day bomber of the World War I. It was designed by Geoffrey de Havilland (hence "DH") for Airco, and was the first British two-seat light day-bomber to have an effective defensive armament. It first flew in August 1916 and entered service with the Royal Flying Corps (RFC) in March 1917. The majority of DH.4s were actually built as general purpose two-seaters in the United States, for service with the American forces in France... The U.S. Post Office also adopted the DH-4 to carry air mail. In 1919, the DH-4B was standardised by the US Post Office, being modified to be flown from the rear cockpit with a 400 lb (180 kg) watertight mail compartment replacing the forward cockpit. The airmail DH-4B were later modified with revised landing gear and an enlarged rudder. DH-4s were used to establish a coast-to-coast, transcontinental airmail service, between San Francisco and New York, a distance of 2,680 mi (4,310 km), involving night flight, the first services starting on 21 August 1924. The DH-4 continued in Post Office service until 1927, when the last airmail routes were passed to private contractors...