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.
Some light planes are able to climb to 25,000 or 30,000 feet and fly 250-350 MPH. Passenger jets typically fly at 25,000 to 40,000 feet when on duty, but some can actually fly much higher. The Boeing 747-400 is capable of climbing to 55,000 feet. These airplanes have maximum cruise speeds in the range of 475 to 625 MPH.