Whenanairplanetakesoffat sealevel, & lands @ a city with elevation a mile high, what does the altimeter say ?

Question

If an airplane takes off from a city at sea level, and then flies to a city whose elevation is a 'mile high', what does the altimeter say when the plane lands? (Or vice versa, what does the altimeter say when flying from a city that is a mile high, and lands at a city located at sea level ?)

Thank You in advance.

Answer 1

the altimeters have sensors like g.p.s

Answer 2

For a pressure altimeter (the original kind) it'll read the same altitude as the ground level where it landed. A very important lesson that is drilled into beginning pilots is that altimeters read height above sealevel, not height above ground. Radar altimeters read the distance between the plane and the ground under them.

Answer 3

Upon landing the altimeter reads 5280 in the first case and the elevation of the "sea level" airport in the second case. When you enter the area of influence of the destination airport you ask for a barometer reading and reset your altimeter to read correct altitude.

Answer 4

Let's hope the pilot twiddles the knobs on the journey.

If an altimeter were set to read zero at sea level and the setting remained unchanged and the airpressure remained unchanged, it would read approximately 6000 feet when it landed at an airfield with elevation one mile high.

6000 feet is for a nautical mile and a statute mile is about 5820 feet