Hybla Valley Airport

Hybla Valley Airport (also known as the Alexandria Airport) was an airfield and flying business in the Hybla Valley area of Fairfax County, Virginia. It received Virginia's first official airport permit. The airport was used in World War II for pilot training, and was also the site of dirigible facilities.

In 1925 near Alexandria, Virginia, Elvin W. Robertson started a business offering sightseeing flights for a fee. He had United States Department of Commerce pilot's license #89 and Mechanic's License #79. He operated from a field near the Potomac River. Soon after he started his business, he reestablished himself in Fairfax County south of Alexandria some 4 miles. This new airport of Robertson's was located in Hybla Valley of Fairfax County, Virginia. Located a mile south of Beacon Field Airport, it was initially known as the Alexandria Airport. He incorporated in 1928 and it became Mount Vernon Airways Corporation, with Robertson as the president and general manager. In 1929 it was granted the first official airport permit in the state of Virginia (USA).

Robertson offered flight instruction from his new location from a business, which he named "Mount Vernon School of Aeronautics" and was part of his Mount Vernon Airways. He prospered because of interest generated in flying by Lindbergh's feat. The airport in 1929 was described as a one hundred acre field that was 3,000 by 2,300 feet (910 by 700 m). The northeast corner had a hangar that was 140 by 60 feet (43 by 18 m). Alexandria Airport became know also as the Hybla Valley Airport because of its location. Robertson used the airport as a site for barnstorming and air circuses. Hybla Valley Airport in the mid-1930s offered typical full aircraft service.

The Navy took over Robertson's Hybla Valley Airport at the beginning of World War II in 1939 to train military pilots, but he received the airport back after the war. William Robert Ashburn and his wife bought the Hybla Valley Airport from Robertson and Mount Vernon Airways in 1945. The Ashburns worked as the Fixed Based Operator (FBO) at the Beacon Field Airport between 1931 until 1942, about a mile south of Hybla Valley Airport. Ashburn was its president and his wife was its secretary/treasurer. They had a contract with the Beacon airport property owner to operate Ashburn Flying Service.

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