Topic:

Height Do Planes Fly

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Answers to Common Questions
lower air pressure means that the speed relative to the ground is higher for the same airspeed and fuel consumption is lower
http://wiki.answers.com/Q/Why_planes_fly_at_greater_he...   See entire page »
Most planes fly at about 35,000 feet.
http://www.chacha.com/question/what-height-in-feet-do-...   See entire page »
Most fighters average around 50,000 feet as their ceilings and this isnt exactly a great height. Some of the answerers have correctly pointed out that the fighter can fly more efficiently at altitudes because of the smaller drag. Adding to ...
http://answers.yahoo.com/question/index?qid=2007070209...   See entire page »
Answers to Other Common Questions
I work at an airport, COS. The answer to your ? is simple. All civilian aircraft have to fly at a mandated height set by the FAA. This ranges from 35,000 to 37,000 feet unless set different. With the military and police airspace being an...
http://answers.yahoo.com/question/index?qid=20070209090...
Yes they may do this. Planes also are assigned different altitudes based on their direction.
http://www.blurtit.com/q587053.html
The service ceiling on the Cessna 172 may be somewhat higher depending on the model, up to as much as 17,000 feet, but the reason remains the same. First, the service ceiling is not the absolute ceiling, but the (density) altitude at which ...
http://answers.yahoo.com/question/index?qid=20080314160...
Depending on the size of the plane and where it's going, the height can be anywhere from about 1500 feet to over 40000 feet.
http://wiki.answers.com/Q/What_is_the_height_of_a_flyin...
Each transport airplane will have a maximum certified ceiling (37000 ft for the MD80), above which it may not legally fly. An airplane may be limited by its weight and outside air temperature to a performance limited altitude below its maxi...
http://answers.yahoo.com/question/index?qid=20090727151...
I've flown at 45,000 feet. At that altitude, human life is not sustainable. Without the artificial environment of the airplane cabin, a person would freeze in the extreme cold and die of oxygen starvation. The internal, trapped pressure in ...
http://answers.yahoo.com/question/index?qid=20071018211...
What makes a plane fly is the four opposing forces that act on it. These are gravity, lift, thrust, and drag. Lift has to be greater than gravity to get the plane aloft. Thrust must be greater than air resistance to propel the plane forward...
http://answers.ask.com/Vehicles/Aviation/what_makes_a_p...