aak777
Posts: 277
Joined: Thu Apr 26, 2001 10:07 pm

Can You Help Me Solve This Problem!

Tue Feb 17, 2004 11:03 pm

If i have airplanes height, true air speed, rate of descent, how can i calculate my ground distance. At calm wind.

can you provide me with a formula with thse variables,

THANKS
 
Qb001
Posts: 1923
Joined: Fri Apr 28, 2000 12:42 am

RE: Can You Help Me Solve This Problem!

Wed Feb 18, 2004 12:31 am

Not sure I understand. Is it to determine the TOD, that is where to begin the descent to the airport?
Never let the facts get in the way of a good theory.
 
aak777
Posts: 277
Joined: Thu Apr 26, 2001 10:07 pm

RE: Can You Help Me Solve This Problem!

Wed Feb 18, 2004 1:19 am

Nothing to do with take offs and landings, only pure descent from one level to another, given the info above.
 
MD11Engineer
Posts: 13916
Joined: Sun Oct 26, 2003 5:25 am

RE: Can You Help Me Solve This Problem!

Wed Feb 18, 2004 1:27 am

Out of the altitude difference and the climb / sink rate you can easily calculate the time required to climb / descent to the required FL. Then multiply this time with the TAS and you get the distance flown ( this works only at 0 windspeed, once you´ve got a wind involved you´ve got to do a little vector subtraction / addition)

Jan
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