September 24, 1985
The French DGAC and Italian RAI airworthiness authorities certify the ATR 42.
December 9, 1985
The ATR 42 enters revenue service, performing the first commercial flight with Air Littoral on the French airline's Béziers-Paris-Béziers route.
December 3, 1985
Air Littoral (France) takes delivery of the first ATR 42.