md88The MD-88 has wider than usual aisles in the coach cabin at 22 inches. Maximum cruise speed for the MD-88 is 543 mph, 874 kmh, or 472 knots. Type Rating. Pilots must earn their typeMD88 has undergone stringent tests by BMM testlabs to ensure a smooth and proper gaming experience for all. They are a private independent gaming testing lab established in 1981