Security Aircraft Corporation - 1937 dated Aviation Stock Certificate - Kinner Airplane and Motor Corp. - Also known as Security National Aircraft Corporation

Jefferies Banknote Co. Los Angeles. Printed signature of W. B. Kinner. So important in early aviation history. Superb Condition.

Kinner Airplane and Motor Corp., Security Aircraft Corp., and Security National Aircraft Corp. The Security National Aircraft Corporation (1933) and Security Aircraft Corporation (1937) originated from the Kinner Airplane & Motor Corporation. Winfield Bertram “Bert” Kinner founded the company in 1919 to produce radial engines as well as light general and sports aircraft. He made a name for himself as a knowledgeable aircraft and engine manufacturer.

In 1922, the city of Glendale, California, acquired 33 acres adjacent to the Southern Pacific Railroad tracks and built a 1200-foot runway, opening the Glendale Municipal Airport in March 1923. This airport boasted the first paved runway in the western United States. The first hangar constructed there was for Kinner Airplane and Motor Corp. The company's innovations in aviation, particularly its radial engines, played a significant role in the early development of aircraft.

In 1933, Kinner Airplane and Motor Corp. evolved into the Security National Aircraft Corporation, followed by the formation of Security Aircraft Corporation in 1937.

Amelia Earhart first learned to fly at the Kinner airfield, where she trained in an OX-5 Canuck. Remarkably, her instructor was a woman: Anita “Neta” Snook, also known as “Snooky.” Snook, a pioneering aviator herself, was the first woman to own an aviation business, offering passenger flights, aerial advertising, and commercial flight instruction. Earhart hired Neta Snook for $500 for the first 12 hours of instruction, and only needed an additional three hours before she was ready for her solo flight.
On July 24, 1922, Earhart's 25th birthday, she purchased the prototype Kinner Airster for $2,000 and named it the Kinner Canary. This aircraft was designed and built at the Kinner Airfield in Glendale, where Earhart gained invaluable flying experience that set the stage for her historic achievements.

Kinner Airplane and Motor Corp. faced financial difficulties and went bankrupt in 1937. The company's aircraft rights were sold to Timm Aircraft, founded by Otto William “Barnstormer” Timm, who famously gave Charles Lindbergh his first airplane ride. The engine rights were acquired by the newly established Kinner Motors, which produced thousands of engines for trainers during World War II. In 1946, Kinner Motor, Inc. was reorganized and sold to Gladden Products, a manufacturer of motor scooters.

Kinner's early aircraft designs were primarily biplanes, but he later developed a successful low-wing design that served as a model and inspiration for various aircraft throughout the late 1920s and into the 1950s. Winfield Bertram “Bert” Kinner passed away in 1958.

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