>>21418969 lb/pb icing on ATR-72
>Had those planes not been updated to correct the initial error, they would not be flying.
Incorrect. They were moved to warmer climates in the mid-90s to avoid operating in icing conditions, Anon:
ATR planes being moved
Published Dec. 10, 1994
ATR airplanes, banned from cold locations because of a fatal crash in Indiana, might be headed for Florida.
Regional airlines were scrambling Friday night to send the ATRs to warmer climates after the Federal Aviation Administration prohibited the planes from flying in icy weather.
American Eagle and Continental Express, which have a large presence in Tampa, also have the largest fleets of ATR planes.
American Eagle said it was swapping the ATRs in northern cities with Saab 340 planes now based in warmer locations.
https://www.tampabay.com/archive/1994/12/10/atr-planes-being-moved/
AMERICAN EAGLE CUTS ATR FLIGHTS THROUGH O’HARE
https://www.chicagotribune.com/1994/12/11/american-eagle-cuts-atr-flights-through-ohare/
FAA Bans ATR Flights in Icy Conditions : Safety: Order comes six weeks after fatal crash in Midwest. Manufacturer provides new information about possible hazards in bad weather.
https://www.latimes.com/archives/la-xpm-1994-12-10-mn-7325-story.html