Clackamas County / Ë k l Ã¦ k É m Éª s / is a county in the U.S. state of Oregon. As of the 2010 census, the population was 375,992, making it Oregon's third-most populous county. Its county seat is Oregon City.
By 1850, this journey was halved. For instance the clipper ship Oriental was able to sail from Hong Kong to London in 97 days that year. The absolute one day distance record made by a clipper involved 436 nautical miles. Clipper ships were fast but no specific rig type was standard. By 1845, the term was used in conjunction with a name indicating the cargo carried or area served by a fast-sailing vessel and a specific rig type was usually indicated.
Confidence votes 217. There are a great variety of commercial aircraft, so flying speeds differ. Most commercial passenger jet airliners cruise at about 480 - 560 miles per hour. The cruise speed for each aircraft may vary, depending upon the power setting the crew elects to use.If the aircraft is running late, the crew could use a higher power setting, resulting in a faster cruise speed, but would burn more fuel.ome high speed, long range passenger jets such as Boeing's 747SP can exceed 600 miles per hour! - There are also many smaller commuter aircraft that fly at varying speeds from 240 - 350 miles per hour. The Concorde, no longer in use, could exceed the speed of sound in cruise flight.