The term 'Big Name in Light Planes' refers to the aircraft manufacturer CESSNA, which is a six-letter word. CESSNA is an American aircraft manufacturer founded in 1927 and based in Wichita, Kansas. It is one of the most well-known manufacturers of light aircraft, such as single-engine and twin-engine airplanes, turboprops, and business jets. CESSNA has been a leader in the aviation industry for over 90 years and is renowned for its quality and innovation.