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.
Assuming fuel is not a concern: The circumference of the earth is 24,901 miles at the equator. If you board a Boeing 747, the average cruise speed is 565mph [1]. Assuming you fly in a straight line: 24,901 miles / 565mph = 44.07 hours.