Airports in Northern Europe are facing renewed safety concerns after unidentified drones were spotted over Copenhagen and Oslo almost simultaneously on Tuesday evening. The appearance of drones in restricted airspace led to the temporary suspension of operations at Copenhagen Airport, sparking fears of wider risks to European aviation.

According to a Defense Express analysis, Russian long-range drones such as the Shahed and Geran-2 are capable of traveling distances between 1,800 and 2,500 kilometers. Launch sites already established in Crimea, the Bryansk region, and near St. Petersburg place much of Scandinavia, the Netherlands, large parts of Germany, and southern Italy within potential strike range.

Should Moscow expand launch capabilities into Belarus or Kaliningrad, nearly all of Europe — from Madrid to the Nordic countries — could fall under drone reach, with Lisbon the only major capital out of range.

The recent drone incidents in Copenhagen and Oslo underscore the vulnerability of civilian air travel to disruptions. Even without confirmed hostile intent, unidentified drones can cause significant operational delays, ground flights, and raise passenger safety concerns. Aviation authorities across Europe are tightening surveillance of restricted zones, with increased emphasis on monitoring technology and coordination between civil aviation and defense agencies.

Airport safety experts warn that the growing frequency of drone incursions threatens not only the punctuality of air travel but also its security. “Any unidentified object in controlled airspace poses a risk. Even small drones can disrupt flight operations, and in worst-case scenarios, they could endanger aircraft during takeoff or landing,” said one aviation safety consultant.

As Europe continues to adapt to evolving airspace threats, travelers are advised to prepare for possible delays caused by security incidents involving drones. Authorities in both Denmark and Norway have pledged to increase aerial monitoring, but the incidents highlight a wider challenge: ensuring passenger safety while maintaining uninterrupted air traffic in an increasingly complex security environment.