sentences:  Until his father's death in 1928, Bernard kept his interest in aviation to himself.About one-half mile to the south of the Bernard farm, an airfield known as Watts Field was opened around 1926 on the former site of Premium Picture Productions (1922–25).Beaverton's second airfield began to take shape in 1928, as Charles Bernard erected the first hangar along what is now Cedar Hills Blvd.