IndiGo said that as of now, the investigation is underway and the initial analysis indicates that there was no threat of collision.

Two IndiGo planes have near miss over Dhaka airspace govt orders probe
news Accident Thursday, August 04, 2016 - 07:50

A mid-air collision between two IndiGo planes, carrying over 225 passengers and crew, was averted over Dhaka airspace after a pilot of one of the flights steered away his aircraft to a safe distance when they came perilously close to each other prompting the civil aviation ministry to order a probe.

An IndiGo spokesperson said no one was injured but four passengers complained of giddiness and two cabin crew needed first aid, due to the air turbulence, which took place around the same time.

The incident happened on Tuesday, when Mumbai to Guwahati IndiGo plane (flight 6E-813) had to climb higher by about 250-300 feet after experiencing turbulence due to monsoon activity over the sub-continent.

Civil Aviation Minister Ashok Gajapathi Raju, meanwhile tweeted that the incident would be probed by the aviation regulator (DGCA).

"Incident involving @IndiGo6E planes at Guwahati will be probed, Raju said in his tweet.

At the same time, the other IndiGo plane to Chennai (flight 6E-136) was almost on the same path, following which, the two flights came close to mid-air collision situation but timely "technical intervention" helped the pilot of one of the aircraft to control the situation and prevent the possible disaster, sources said.

After receiving an alert on Traffic Collision Avoidance System (TCAS), flight commander of one of the flights took "evasive action" to steer away the aircraft to a safer distance, they said.

TCAS is onboard equipment that alerts pilots about the traffic in the proximity of the aircraft and also instructs them about the avoidance action (Resolution Advisory) to maintain desired separation between two aircraft.

Due to the monsoon activity, passengers along with the cabin crew onboard were physically shaken, the spokesperson said.

Sources said the incident happened when the planes were over the Dhaka (Bangladesh) airspace as all aircraft to and from Guwahati fly through this airspace.

Following the prescribed protocol, the pilot immediately applied the Resolution Advisory (RA) triggered by TCAS (Traffic Collision Avoidance System), the spokesperson said.

IndiGo, in another statement later, said that as of now, the investigation is underway and the initial analysis indicates that there was no threat of collision as both the aircraft were laterally and vertically well separated.

As both aircraft were on the same airway, they were separated vertically by 1000 feet as per the regulatory requirement, it said.

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