an Entity references as follows:
The Cessna Model 620 was a prototype American pressurized eight to 10 seat business airplane powered by four piston engines and built by Cessna. The first flight was on 11 August 1956. Only one example (c/n 620, N620E) was built. The airplane's model number is an inside joke, as it indicates the 620 is twice the airplane that a Cessna 310 is.