 "IndiGo plane faces engine stall warning for few secs on 'wake turbulence'")
An Airbus plane operated by IndiGo faced "engine stall" warning for a few seconds as it flew into wake turbulence caused by a Boeing 777 aircraft that flew from the opposite side.
The mid-air incident happened for IndiGo's Guwahati-Mumbai flight that was operated with am Airbus 320 ceo plane on Monday.
IndiGo's aircraft "came into the wake turbulence of opposite traffic Emirates Boeing 777 aircraft" on Monday, a source at aviation regulator DGCA said.
According to the US Federal Aviation Administration (FAA), every aircraft generates wake turbulence while in flight. The wake turbulence is a function of an aircraft producing lift, resulting in the formation of two counter-rotating vortices trailing behind the aircraft.
Pressure differential over the wing surface generates lift, as per FAA website.
"Due to the turbulence engine #1 stall warning came and disappeared. No abnormality was observed in any other parameter and aircraft safely continued to the destination," the source said.
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IndiGo did not comment on the incident.
Boeing 777 is a large aircraft and has a wingspan of 64.8 metres while Airbus 320 is a narrow-body plane with a wing span of 35.80 metres with sharklets, according to details available on the websites of the two aircraft makers.
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