Photographs of the Bell Helicopter 429 model, held by UNT Special Collections as part of the Bell Helicopter Records. The model is dark red in color with a white slash and the number 429 in white on its side. Aviation pioneer Lawrence Dale Bell founded the Bell Aircraft Corporation in Buffalo, NY in 1935. When the helicopter division began to thrive, in 1951, the division established a new headquarters in Hurst, TX. The corporation was purchased by Textron in 1960 and established Bell Helicopter as a separate corporation.