PPRuNe Forums - View Single Post - R/t Terminology
Thread
:
R/t Terminology
View Single Post
27th Jan 2003, 19:31
#
5
(
permalink
)
Spitoon
Guest
Posts: n/a
For what it's worth, it was originally introduced for FL100 to avoid confusion with FL110 and then extended to the other 'round' FLs later.
More info.
AFAIK
this is still only done in the UK.