Unresponsive Private Jet Prompted Sonic Boom Over England

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A Bombardier private jet lost contact with air traffic control over UK airspace yesterday, forcing the Royal Air Force (RAF) to scramble two military jets in response. While intercepting the plane, the two RAF Typhoon jets broke the sound barrier, emanating a sonic boom that was heard across the East of England.

RAF jets caused a sonic boom over the UK after intercepting a private jet. Photo: FAI Aviation

A private rental jet became unresponsive

The private jet in question is a Bombardier Global Express (registration D-AFAL) owned by FAI Aviation Rent-A-Jet. The plane was en route to the UK from Nuremberg when its radio went silent about an hour into its flight, prompting the RAF to issue a Quick Reaction Alert (QRA). Two RAF Typhoon jets, stationed at RAF Coningsby in Lincolnshire, were sent to intercept the plane and broke the sound barrier in the process.

RAF jets intercepted the plane over UK airspace and escorted it to Stansted Airport. Photo: FlightRadar24.com

According to the DailyMail, the jets recorded speeds of up to 1,150 MPH over Cambridge. The sonic boom occurred at approximately 13:05 local time and was heard across Cambridgeshire, Hertfordshire, Essex, and some areas of London and Kent. After the Bombardier jet was intercepted, it was escorted to Stansted Airport where it landed safely at 13:39.

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The jet eventually made its way to Barbados

The Bombardier remained grounded at Stansted Airport for a couple of hours before Essex Police decided ‘all was found to be in order.’ The jet took off at 15:05 and flew to Birmingham, landing half an hour later. After an hour at Birmingham Airport, the plane took off again at 16:36 en route to Barbados. Over eight hours later, the plane touched down at Bridgetown, Barbados.

The jet, registration D-AFAL, is available for private hire from German firm FAI Aviation Rent-A-Jet. Photo: FAI Aviation

RAF procedures regarding unresponsive aircraft are extremely stringent, with jets on standby 24/7 throughout the year. After a rogue aircraft is identified, officers at the National Air Defence Operations Centre (NADOC), High Wycombe, decide if the threat level is sufficient before ordering military jets in the air.

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After the incident, the RAF released a video explaining how sonic booms occur.

Supersonic flight is on the horizon

Despite the public nuisance caused by sonic booms, aviation companies worldwide are in the middle of a development race to design supersonic commercial planes. After Concorde’s well-documented troubles and eventual retirement by 2003, manufacturers had little-to-no interest in supersonic planes, and neither did governments and regulators.

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Boom XB-1
The Boom XB-1 prototype is one of several attempts to design a commercial supersonic plane. Photo: Boom Supersonic

However, much progress has been made over the last few years in the world of supersonic flight. Several supersonic prototypes have been announced, such as the Boom XB-1 and Aerion’s AS2 business jet. Additionally, aviation authorities are looking to pave the way for supersonic commercial flight in the near future. The FAA recently finalized its rules on the development of commercial supersonic planes, clearing the path for supersonic flight to make a comeback.

Do you look forward to supersonic commercial travel again? Let us know your thoughts in the comments.

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