Originally Posted by
Tree
FYI:
The A321 was not initially flight tested in actual icing conditions. The A320 flight test data was extrapolated despite the different flap/slat design of the A321. It was subsequently tested and modifications were made to the ELAC system on or about the year 2001.
Caveat emptor.
Geez, makes me wonder what other 'extrapolated' issues are out there.