PPRuNe Forums - View Single Post - Why is the TA set at 18000 ft in the USA?
Thread
:
Why is the TA set at 18000 ft in the USA?
View Single Post
21st February 2010 | 04:20
#
13
(
permalink
)
MarkerInbound
Joined:
Nov 2007
:
ATPL
Posts:
1,954
Likes:
30
From:
Texas
It used to be FL240 in the western half of the US. I believe it was lowered to join the eastern level of FL180 after the Grand Canyon midair in 1956.
Reply
0
0
MarkerInbound
View Public Profile
Find More Posts by MarkerInbound