A serious incident in European airspace on May 30, 2026, resulted in several injuries on board a passenger aircraft. An Airbus A320 operated by the German airline Eurowings encountered the wake turbulence of an Airbus A380 wide-body aircraft flying ahead of it while cruising over Bosnia and Herzegovina.
According to initial reports from the aviation news service Aviation Herald, four passengers and one cabin crew member were injured by the abrupt and severe turbulence. The incident occurred while the Eurowings aircraft was changing altitude and crossing the airflow path of the heavier aircraft. Despite the violent jolts and the injuries on board, the pilots were able to maintain control of the aircraft, stabilize their altitude, and safely continue the flight to their destination in North Rhine-Westphalia. The incident has once again brought the meteorological and aerodynamic challenges of dense European airspace, as well as the need for strict separation regulations, into sharp focus for international aviation authorities.
Sequence of events during the flight
Eurowings flight EW635 was returning from Rhodes, Greece, to Cologne/Bonn Airport. The journey on board the medium-haul jet, registration D-AEWS, initially proceeded routinely. During the flight over the Balkans, the pilots, in coordination with air traffic control, decided to change altitude. The aircraft was to climb from flight level 360 (approximately 11.000 meters) to flight level 380 (approximately 11.600 meters).
Simultaneously and in exactly the same direction, an Emirates Airbus A380 was flying at this higher altitude. Flight EK1 was en route from Dubai to London Heathrow Airport. Because the Airbus A380 is the world's heaviest passenger aircraft, its design inherently generates particularly intense air turbulence at the wingtips. Upon reaching the new altitude, the significantly lighter Eurowings aircraft entered this invisible vortex field. The turbulence began without warning and was so severe that unbuckled passengers and objects were thrown around the cabin. One flight crew member was struck by the cabin ceiling. After the initial violent jolts subsided, the Eurowings pilots immediately initiated a descent to leave the danger zone and continued the flight at a safer altitude.
The physics behind wake vortices
Wake turbulence, also known as wake vortices, is an unavoidable byproduct of aerodynamic lift. At the wingtips, the pressure difference between the upper and lower surfaces creates a high-energy, counter-rotating vortex. The heavier and slower an aircraft flies, the more pronounced these vortices become. Due to its maximum takeoff weight of up to 560 tons, the Airbus A380 occupies a special position in aviation and requires specific safety distances for following aircraft.
Investigations by the European Union Aviation Safety Agency (EASA) have shown that these artificially generated vortices can have a considerable range during cruise flight. Under certain atmospheric conditions, the rotations are measurable and physically perceptible at a distance of up to 25 nautical miles (approximately 46 kilometers) behind the source aircraft. According to EASA safety bulletins, the majority of documented incidents occur at a distance of up to 15 nautical miles. The vortices typically descend slowly and shift with the wind, making their precise position difficult for following pilots to predict, as they are not visible on cockpit weather radar.
Historical parallels and structural risks
The recent incident over Bosnia and Herzegovina evokes memories of a far more serious incident from 2017. At that time, a twin-engine Bombardier Challenger 604 business jet crossed the flight path of an Emirates Airbus A380 in the airspace over the Arabian Sea at a vertical distance of only 300 meters. The wake turbulence hit the business jet so hard that the aircraft performed several uncontrolled rolls and went into a dramatic dive.
In this historic incident, several passengers suffered serious injuries. Although the pilots managed an emergency landing through extreme physical exertion, the immense forces exerted on the fuselage resulted in permanent overloading and deformation of the structure. The aircraft was a total loss and had to be scrapped. The recent incident involving the Eurowings aircraft demonstrates that while modern commercial aircraft like the Airbus A320 family are more robust than smaller private jets due to their mass, the risk of injury to passengers in the cabin remains high in the event of unforeseen collisions.
Safety regulations and the role of air traffic control
Aircraft separation in airspace is strictly regulated by the International Civil Aviation Organization (ICAO). For cruise flight, minimum separation distances vary depending on the weight class of the aircraft involved. These rules were tightened after the introduction of the Airbus A380, as the standard separation distances were often insufficient to withstand the extreme wake turbulence of the giant aircraft. The aviation authorities' investigation will now focus on whether the prescribed separation distances between the Emirates and Eurowings aircraft were maintained by the responsible regional air traffic control.
A key aspect in investigating such incidents is communication. When an aircraft plans to climb into the flight path of a heavy aircraft ahead, air traffic control must calculate the time and spatial offset so that the wake vortices have already sufficiently dissipated or dissipated. However, since the vortices can behave unpredictably, a residual risk remains. Airlines therefore continuously emphasize the importance of wearing seatbelts throughout the entire flight, even when the seatbelt signs above the seats are switched off, in order to minimize injuries during sudden turbulence.
Medical care and follow-up in Cologne/Bonn
Following the safe landing of the Eurowings aircraft at Cologne/Bonn Airport, the injured passengers received initial medical treatment. The airline confirmed that the cabin crew and the affected passengers sustained minor injuries. The aircraft itself will undergo a thorough technical inspection to rule out structural damage to the wings and fuselage before it is returned to regular service.
The German Federal Bureau of Aircraft Accident Investigation and its European partner agencies will analyze the incident in detail. This will involve evaluating data from the flight data recorder and cockpit voice recordings. Radar data from Southeast European air traffic control will also play a key role in reconstructing the precise three-dimensional distance between the two aircraft at the time of the collision. The results of such investigations are regularly incorporated into future safety bulletins to raise risk awareness among pilots and air traffic controllers worldwide.