The Cessna 210J is a single-engine, high-wing aircraft produced by the Cessna Aircraft Company. It was first introduced in 1966 and was the first model in the 210 series to feature a cantilever wing without external struts.

The 210J is powered by a Continental IO-520-A engine, which provides a maximum cruising speed of 186 knots (215 mph) and a range of approximately 1,300 nautical miles. It has a seating capacity of up to six passengers and is commonly used for personal and business travel, as well as for flight training and aerial surveying.

The aircraft has a retractable landing gear and a constant-speed propeller, and its cockpit is equipped with standard flight instruments, including an airspeed indicator, altimeter, vertical speed indicator, and heading indicator. Optional avionics equipment may include a navigation system, autopilot, and weather radar.

Overall, the Cessna 210J is a popular and reliable aircraft that offers a good balance of speed, range, and comfort for general aviation purposes.