The Jet Airways flight to Jaipur had to turn back as the alarming symptoms became apparent, the airline said, with one traveller describing "panic" on board.
Jet Airways authority confirmed the incident in a statement saying that pilots have been suspended following a pending investigation. Meanwhile, taking cognisance of the incident, the Ministry of Civil Aviation has requested Directorate General of Civil Aviation to file its report immediately on the issue.
As a result, the aircraft had to fly back to an airport to give treatment to those affected on the plane carrying 166 passengers.
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Officials had anxious the water would overwhelm several pits where coal ash had been stored, potentially contaminating rivers. More than 300,000 across the state remained without power as of Tuesday morning, according to Duke Progress Energy.
An airline statement said Flight 9W697 with 166 passengers and five crew members landed normally in Mumbai. The aircraft turned around and landed in Mumbai, where doctors attended to the injured. "All guests were deplaned safely and taken to the terminal".
This led to an imbalance in the cabin pressure and oxygen masks were deployed with which most passengers breathed.
In January, two Jet Airways pilots were grounded for getting into a brawl and storming out of the cockpit briefly during a New Year's Day flight from London to Mumbai. "Some of us experienced nose bleeding and headache". "Our latest initiative is a step ahead in terms of flexibility and being receptive to our guests' preference to facilitate greater choice and convenience", he said.
"After an hour of high-altitude flying, the flight had to make an emergency landing and about 30 passengers had blood (in ears and nose) and the rest were suffocating, putting the travelers in death-bed situation and condition", said Patel.