Recent content by tag r1

No pilot certificate . I am from the maintenance side . Airframe Certificate Powerplant Certificate Inspection Authorization Certificate Professional Flight Engineer Certificate

That is the certified ceiling for a 777 , that's correct http://www.boeing.com/boeing/commercial/777family/pf/pf_facts.page That does not mean that they usually cruise at that altitude . Usually 32 to 39 thousand feet is standard depending on weather , and the route. LEAPup was...

There are valid reasons to turn off transponders. Transponders need to be shutoff because they can provide erroneous signals. You turn off one , and then you switch over to the alternate transponder , and keep going on your flight. If you ever had an issue involving electricity on the...

The people on board survived because that 777 never went to that altitude. It is too heavy with the fuel on board for the flight to China , and does not have the wing to get up there and stay up there. The air conditioning system taps air from the low pressure compressor ( the jet engine )...

It is not altitude asphyxia. It would be hypoxia at altitude. The cabin is pressurized at about 8000 feet . So even though the aircraft is at 35,39,42 thousand feet, it will feels as thought you are at 8000 feet.

If you are interested in improving intuition , try this : Take a deck of playing cards , remove the jockers and advertisment cards so you are left with only the Aces, Face , and Number cards. You will painly see that there will be only ** RED ** and ** BLACK ** Shuffle the deck of...