The Twin Commander 690B is a refurbished twin-engine turboprop with upgraded Honeywell TPE 331-10 engines.
While the Aero Commanders were not the fastest turboprops in their class, they had a reputation for being well built, stable, and comfortable. With the high wing, entering and exiting the aircraft is easy for passengers and they also enjoy excellent downward visibility. The Commander 690 series had a small, but comfortable cabin with an emergency-use-only forward lavatory.
There is a program in effect called the “Renaissance Commander” program wherein the Model 690 is completely refurbished from tip to tail, and the engines are upgraded to Honeywell TPE 331-10 engines. The engine upgrade yields more power, better fuel efficiency, and lower costs with its extended time between overhauls (TBO). The Renaissance program gives new life to a solid airframe and has proven to be a popular option for Commander owners.