The Twin Commander 690A Medium Turbo-prop is manufactured by Aero Commander between 1973 and 1976. The cabin measures 9.2 feet long by 4.2 feet wide by 4.5 feet tall giving it a total cabin volume of 171.9 cubic feet making it comfortable for up to 5 passengers. The baggage compartment can hold up to 10.0 bags assuming your average piece of luggage is less than 5 cubic feet. The Twin Commander 690A has a maximum range (not including headwinds, high altitude, hot temperatures, or higher capacity) of 1,234 miles and a maximum speed of 313 mph. Common names and abbreviations: GC-690A, 690A, Twin Commander 690A, GC-690A.