Cologne runway use revised after landing Ryanair 737 encounters military drone

German air navigation authorities have implemented stricter regulations regarding approaches and departures at Cologne-Bonn airport due to a recent incident involving a Ryanair Boeing 737-800. The aircraft experienced an encounter with a military drone while conducting a landing approach during armed forces exercise activity. This airprox prompted the immediate tightening of restrictions on runway usage specifically when military operations are underway. Cologne-Bonn Airport, situated west of an air force barracks, is particularly vulnerable given its proximity to the flight path. Authorities are prioritizing aviation safety following this unexpected interaction between commercial and military airspace.