The DHC-6, also known as the De Havilland Canada DHC-6 Twin Otter, is a versatile twin-engine aircraft designed for short takeoff and landing (STOL) capabilities. First introduced in 1965, it is widely used for regional transport, cargo flights, and aerial surveys. Its robust design allows it to operate in various environments, including remote and rugged areas. The DHC-6 can accommodate up to 19 passengers and is known for its reliability and ease of maintenance. It is often employed by airlines, charter services, and government agencies, making it a popular choice for operations in challenging conditions, such as those found in the Canadian Arctic or tropical regions.