During the previous day, five aircraft in the sky gave an emergency signal. According to RIA Novosti, among them are passenger, military and private aircraft.
Based on the study of flight data, the publication reports that on October 15, an emergency signal was given by a Volotea airline plane during a flight from Toulouse in Caen.
Following this, the alarm was received from the reconnaissance aircraft of the British Air Force Boeing Poseidon MRA1 in the air over the North Sea when approaching the coast of Scotland.
The next was the Grob G115E light-engine aircraft, which cruised in the UK sky between the town of Bedale and the village of Mainskip. By the evening of yesterday, two more boards transmitted the Squawk 7700 code.
First, it was done by the crew of the United Airlines plane, which was traveling from London Heathrow Airport to New York, it happened at 19:26 Moscow time, after which the board returned to London.
Then the Bombardier Challenger 604 business jet from San Marino, flying from Abuja, Nigeria. The plane also turned around and landed at the departure airport.
The publication clarifies that the Code 7700 is a universal transponder code that pilots install in case of a general emergency on board. It does not necessarily mean an immediate threat of disaster.
Earlier, EADaily reported that the Federal Air Transport Agency introduced on the night of Friday, October 16 temporary restrictions on the reception and release of aircraft at the airports of Cherepovets and Yaroslavl.

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