India has seen a number of mid-flight engine shutdowns of late, which has now prompted the regulators to look into the matter.
Three separate incidents within a span of two months are now under scanner where airline pilots had to shut down plane engines mid-flight.
The so-called commanded in-flight shutdowns arise when pilots intentionally turn off one of the two engines after encountering problems.
Although modern commercial jetliners are equipped to fly and land safely with a single engine, the regulators are taking the matter seriously.
All the three incidents reportedly involve engines made by CFM, a joint venture between General Electric and France's Safran SA.
The incidents involved two Airbus SE A320neo jets, operated by Air India Ltd., and a Boeing Co. 737 Max aircraft, operated by Indian carrier SpiceJet Ltd. as per reports.
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In the past too, regulators dealt seriously with such incidents, once ordering IndiGo, the nation's biggest airline, to ground some of its A320neo planes after engines manufactured by Pratt & Whitney experienced repeated glitches.