In the early hours of Sunday, 18 October 2026, the Finnish Defence Forces (FDF) declared a temporary no-fly and no-sail zone that stretched from Loviisa to Finland’s eastern land border and covered the sea area off Kotka as far south as the territorial-waters limit. NOTAM EFR1866 placed the airspace restriction from the surface up to flight level 660, while a corresponding maritime notice halted all civilian traffic inside the marked sector. The closure entered into force at 02:47 local time and was lifted at 09:43, after the risk assessment window for potential drone incursions had passed. The move—Finland’s third consecutive night of such measures—was triggered by Ukraine’s large-scale overnight drone strike on fuel depots and infrastructure in St Petersburg and Leningrad oblast. Finnish authorities fear that malfunctioning or intercepted Russian air-defence drones could veer across the Gulf of Finland into Finnish airspace. Although no unmanned aircraft entered Finnish territory on this occasion, the FDF told Yle that the restrictions are a proactive safety measure designed “to protect both bystanders and our own interception operations.” The temporary buffer had real-world travel consequences. An Egypt-bound Nesma Airlines Airbus A320 (flight NMA690) diverted to Helsinki-Vantaa when the southeastern corridor into Russia closed unexpectedly. Fintraffic’s live map showed routine ferries rerouting around the shut sea sector, and Kotka-Hamina Port advised shippers to expect morning delays. Airlines received an updated risk-assessment bulletin reminding crews that any over-water route within 25 nautical miles of the Russian coast is subject to sudden closure without notice. Finland first began imposing short-notice air-and-sea lockdowns in April 2026, after a stray Geran-2 drone crashed in Iitti, 130 kilometres inside Finnish territory. Since then, the FDF has upgraded coastal radar coverage and authorised rapid-launch F-35 alert sorties from Rissala and Rovaniemi bases. Maritime Command has also stationed missile boats with electronic-warfare suites near the eastern Gulf to strengthen situational awareness. Defence Minister Antti Häkkänen told reporters last month that “these deterrent steps are necessary as long as the regional drone threat persists.” For multinational companies, the restrictions underline the importance of dynamic travel-risk monitoring for staff transiting eastern Finland, especially freight drivers moving through Kotka and business travellers on early-morning flights to Asia via St Petersburg. Mobility managers are advised to build extra connection time into itineraries, keep crew briefings up to date with NOTAM changes, and remind employees that authorities can order immediate evacuations of airspace and coastal lanes with little advance warning.
Source: Yle / Lentoposti
