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Thursday, January 20, 2022

‘Loud sound’ that had Bangalore in a tizzy was from IAF test flight

Bengaluru Defence PRO said in a statement, "It was a routine IAF Test Flight involving a supersonic profile which took off from Bluru Airport and flew in the allotted airspace well outside City limits."

By: Express Web Desk | Bengaluru |
Updated: May 21, 2020 10:02:15 pm
bengaluru explosion, bengaluru loud sound, bengaluru mirage 2000 sound, bengaluru noise, bengaluru earthquake, Bengaluru: A view of the Outer Ring Road wearing deserted look, as shot with a drone camera, in Bengaluru. (File/PTI Photo)

A loud noise – much like a huge crash – was heard across Bengaluru around 1.20 pm Wednesday. While for hours, there was mystery around what had caused it, the reason was later revealed to be an IAF Test Flight involving a supersonic profile.

Bengaluru Defence PRO said in a statement, “It was a routine IAF Test Flight involving a supersonic profile which took off from Bluru Airport and flew in the allotted airspace well outside City limits. The aircraft was of Aircraft Systems and Testing Establishment (ASTE), whose Test Pilots & Flight Test Engineers routinely test out all aeroplanes. The sonic boom was probably heard while the aircraft was decelerating from supersonic to subsonic speed between 36,000 and 40000 feet altitude.”

PRO Bengaluru, Ministry of Defence, said in a tweet:  “The aircraft was far away from the city limits when this occurred. The sound of a sonic boom can be heard and felt by an observer even when the aircraft is flying as far away as 65 to 80 kilometres away  from the person.”

The boom had led to much speculation in the city, and Bengaluru city Police Commissioner Bhaskar Rao had said an investigation was underway into the source of the sound.  “For the past one hour, people have been hearing the sound. I have asked the Air Force about the fighter jet movement,” he told a little after 2 pm. Read in Tamil

Residents across the city took to social media about the sound, some even reaching out to the Bengaluru City Police Control Room. “Calls started pouring in from around 1.20 pm. We are checking with our personnel and other officers across departments. A detailed statement will be shared soon across social media platforms,” a police personnel at the Bengaluru City Police Control Room said.

While some reported feeling tremor-like vibrations, others connected it to the possibility of a ‘sonic boom’ created by a fighter aircraft that has reportedly been doing rounds above the city since morning.

Also Read | What is the sonic boom that rattled Bengaluru?

Before the tweet by the Ministry of Defence PRO, the training command headquarters, Indian Air Force, had issued a statement saying no aircraft was flying in the area.

“No aircraft of Training Command was flying in the area. However, ASTE and HAL could have been undertaking their routine test flying, which necessitates going supersonic at times. These are done well beyond the city limits in specified sectors. However, considering the atmospheric conditions and reduced noise levels in the city during these times, the aircraft sound may become clearly audible even if it happened way out from the city.”

The noise was heard in Old Madras Road, Ulsoor, Kundanahalli, HAL, Kammanahalli, Cooke Town, Vivek Nagar, Ramamurthy Nagar, Koramangala, Hosur Road, CV Raman Nagar, Whitefield, and HSR Layout among other areas in the city.

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