A220 operators told to limit engine thrust at high altitude
Risk of uncontained engine failure and damage to the aircraft
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October 28, 2019 - by DAVID KAMINSKI-MORROW for flightglobal.com
Operators of Airbus A220s are facing operational limitations of the twinjet's engines, following several serious incidents involving powerplant failure.
Transport Canada has issued an emergency directive covering both the A220-100 and A220-300 models, which are exclusively fitted with Pratt & Whitney PW1500G engines.
Swiss has suffered three recent engine failures on A220-300s during an early stage of flight.
Preliminary indications indicate that operation of engines with certain thrust ratings at high thrust settings during high-altitude climbs "may be a contributor" to the events, says Transport Canada.
I was asked “Looking at Flightradar24 we can see that since the most recent uncontained #engine failure #Swiss and #airBaltic are flying below 30,000'. Why?" Exactly, flying out of the Danger zone for 1st stage of LPC... #A220 #CSeries #Airbus #avgeek #airline #PrattWhitney #GTF pic.twitter.com/teDo51g59i
— Sylvain Faust (@sylvainfaust) October 23, 2019
But it adds that investigation is continuing to determine the root cause.
The directive, which warns of a risk of uncontained engine failure and damage to the aircraft
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