Had the air conditioner compressor replaced under warranty and just purchased a new compressor in 2014. That's three compressors in 16 years. Also replaced the blower motor and capacitor along with the TXV valve and filter dryer in 2014. The Puron has escape over the winter of 2014 and again in 2015.
The cruising altitude of a 747 depends on weather conditions,  weight of the aircraft, and the amount of traffic on the other  flight levels. Its average cruising altitude i â¦ s around 33,000 feet.
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.