#BGBl. 2026 I Nr. 59Third Ordinance Amending the 249th Implementing Ordinance to the Air Traffic Regulations — Instrument Flight Procedures for Kassel-Calden Airport

This ordinance, issued by the Federal Supervisory Authority for Air Navigation Services (Bundesaufsichtsamt für Flugsicherung) and published in the Federal Law Gazette (BGBl. 2026 I Nr. 59) on March 9, 2026, constitutes the third amendment to the 249th Implementing Ordinance under Germany's Air Traffic Regulations (Luftverkehrs-Ordnung). It specifically governs instrument flight rule (IFR) procedures for arrivals and departures at Kassel-Calden Airport (IATA: KSF) in the state of Hesse. The ordinance updates the officially designated flight paths, altitudes, waypoints, or navigation procedures that aircraft must follow when operating under IFR conditions at this regional airport. Such amendments are typically triggered by changes in airspace structure, navigation technology updates, obstacle clearance requirements, or coordination with adjacent controlled airspace. As a technical regulatory measure, it is binding on all aviation operators, air traffic controllers, and flight crews conducting IFR operations at Kassel-Calden. The regulation entered into force following its promulgation date of March 9, 2026, with the ordinance itself signed on March 3, 2026.

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