Originally Posted by
ddd333
Code:
You are at FL240 and need to descend to FL180. When do you begin your descent?
The answer is 18. You start the decent 18 miles prior to the point you want to be at FL180. If you're flying a "three holer" (727 to you young guys), even 18 is a huge variable with an aircraft that will come down at 6,000 fpm.
I'll have another pint of Guinness please.
G'Day Mates
