How hight the plane fly?

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pianist

A fighter plane can fly at the height of 40000'
A long range fighter/bomber can fly at 60000'
A passanger carrier (Boeing Type) at 35000'
A long range cargo plane can fly at 45000'
A small aircraft cannot fly at more than 25000'
A glider can fly at 15000'
Stealth can fly at 70000'
B52 can fly at 60000' and come down to 2000'

DanE

The direction of the flight will also be a consideration in the cruising altitude. Eastbound aircraft fly at odd thousands such as 33,000 and 35,000 feet. Westbound aircraft fly at even thousand such as 34,000 and 36,000 feet. This staggering of altitudes provides at least one thousand feet vertical separation between two converging aircraft.

Demon Doll

It depends which plane you're talking about. The Lockheed SR-71 could fly to the edge of the atmosphere.

catnap_43

just flew in from florida yesterday. pilot said 35000 feet.

bluecross0924

it usually flies 35,000 feet above sea level

soccerknocker199

long flight usually go to about 35,000 to 38,000 maybe higher if there is a storm but not on normall ocassions

John

I'm not sure where "pianist" came up with his numbers, but they look pretty arbitrary to me.

For example, I've thermalled a glider to 17,999 ft (and not a foot higher!). Most fighters are capable of climbing to altitudes much higher than 40,000 ft, and there are plenty of small aircraft that can easily exceed 25,000 ft. I don't know which specific aircraft he's referring to as "Stealth", but those aircrafts' ultimate capabilities are classified anyway.

Passenger airliners (and cargo planes, which in the civilian world are the same aircraft without seats) generally cruise between about 25,000 and 41,000 ft. If they're light enough, some may climb as high as 45,000, but it's rare. Some "business jets" have better climb capability and can cruise at the higher flight levels routinely.

The altitude chosen depends on the weight of the aircraft, the forecast winds aloft, enroute weather systems, the length of the flight, and the temperature, expressed as a deviation from the International Standard Atmosphere (15 deg C at sea level, decreasing ~2 deg C per thousand feet), or ISA Deviation.

The heavier the aircraft, the shorter the flight, and the higher the ISA Deviation, the lower the altitude. Everything else being equal, the chosen altitude will be the one with the most favorable winds, the one that will minimize weather-related course deviations, or the one that results in the lowest fuel burn (higher altitude = more efficient).

nettoffee

It is a wide rang depending on the design of the airplane and for a normally air breathing engine the world height record is kept by
Mikoyan Gurevich MiG-25 ASCC codename: Foxbat
High-Altitude Interceptor
Service Ceiling 67,900 ft (20,700 m)
absolute altitude: 123,524 ft (37,650 m) [world record]
BUT for a normal passenger airliner and as example
B747-236SF Max. Initial Cruise Alt. 32,000 ft
iFDG A320 travelling at 37,000 ft, spd Mach 0.81

Bobbicool30_98

usually about 35 thousand feet

xenoith

depends where u wanna go :D

Mr. C

36,000 Feet.

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