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.
Figure 1: Rate of Climb Table. Departure Procedures assume the pilot will cross the departure end of the runway at least 35' above the runway and climbing to 400' above the departure end elevation before making initial turn and then maintaining a standard 200' per NM conforming to the departure altitude limits.