Ryan Airline Company was an airline company founded by T. Claude Ryan

T. Claude Ryan

Tubal Claude Ryan was an Irish-American aviator born in Parsons, Kansas. Ryan was best known for founding some airlines and four airplane factories.-Business career:...

 and Benjamin Franklin "Frank" Mahoney at San Diego, California on April 19, 1925. They had earlier established a scheduled service between San Diego and Los Angeles with a fare of $14.50 one-way and $22.50 round-trip. Service was provided by a Standard J-1, a World War I

World War I

World War I , which was predominantly called the World War or the Great War from its occurrence until 1939, and the First World War or World War I thereafter, was a major war centred in Europe that began on 28 July 1914 and lasted until 11 November 1918...

 training aircraft (not widely liked by pilots) which they modified with a four-passenger closed cabin in the forward front cockpit area. The company also bought and modified a Cloudster (short for cloud duster) from Donald Douglas

Donald Wills Douglas, Sr.

Donald Wills Douglas, Sr. was a United States aircraft industrialist and founder of the Douglas Aircraft Company in 1921 .-Early life:...

. They designed the Ryan M-1

Ryan M-1

-Bibliography:* Hall, Donald A. www.charleslindbergh.com, July 1927. Retrieved: 3 March 2009.* The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing, 1985....

 for mail and passenger service, building the first of these in the fall of 1925 and 22 more within a year. When orders fell Ryan and Mahoney ended the partnership, in November 1926. Mahoney bought out Ryan's interest but kept using the name for several months.

Some of their plane building was done behind the name Ryan Aeronautical Company, which under Mahoney built the NYP

Spirit of St. Louis

The Spirit of St. Louis is the custom-built, single engine, single-seat monoplane that was flown solo by Charles Lindbergh on May 20–21, 1927, on the first non-stop flight from New York to Paris for which Lindbergh won the $25,000 Orteig Prize.Lindbergh took off in the Spirit from Roosevelt...

 monoplane for Charles Lindbergh

Charles Lindbergh

Charles Augustus Lindbergh was an American aviator, author, inventor, explorer, and social activist.Lindbergh, a 25-year-old U.S...

, but this was not the business which later became Teledyne Ryan Aeronautical. In July 1927, shortly after Lindbergh's successful flight, the name of this business was changed to B. F. Mahoney Aircraft Corporation.