Air traffic control liability
The civil liability of an air navigation service provider (ANSP) for a control error. It almost always leads back to the State, and the aviation market covers it through policies written for ANSPs, often alongside airports.
Air traffic control liability is the civil liability of an air navigation service provider (ANSP) for a control error. On October 8, 2001, at Linate, an SAS (Scandinavian Airlines System) MD-87 on its takeoff roll struck a Cessna Citation that had strayed onto the runway in fog: 118 dead. The Italian criminal case ended with convictions of the ground controller, executives of ENAV (Ente Nazionale per l'Assistenza al Volo) and two managers of SEA, the airport operator. The Court of Cassation ruling is dated February 20, 2008. Air traffic control is the quietest insured in the aviation market and one of the most exposed, since a single sequence of instructions can produce two total losses. Article 28 of the Chicago Convention makes each State responsible for providing air navigation services, and that public origin decides who pays. In the United States, controllers are employees of the FAA (Federal Aviation Administration): claimants sue the federal government under the Federal Tort Claims Act, before a judge without a jury. The government's first line of defense is the discretionary function exception. In France, the DSNA (Direction des services de la navigation aérienne, the French air navigation services directorate) is a State service, and a control error is litigated before the administrative courts. Elsewhere the service is handed to a company, Skyguide in Switzerland or NATS in the United Kingdom, but the State still stands behind it. After Überlingen, the Konstanz court held in 2006 that Germany was liable for airspace it had never validly delegated. Single European Sky rules (Implementing Regulation (EU) 2017/373 of March 1, 2017, requirement ATM/ANS.OR.D.020) require a certified provider to cover its liability, through insurance or a public guarantee. The market sells ANSPs aviation liability policies with very high limits for near-zero frequency. What drags on is apportioning fault. After a collision, the carrier compensates its passengers under Montreal, its insurer turns on air traffic control, and the split is settled years later, at the pace of a sovereign defendant.
After the January 29, 2025 collision over the Potomac, the U.S. Justice Department acknowledged in a December 17, 2025 filing that the federal government had breached its duty of care. The Army answers for the helicopter's flight path, the FAA (Federal Aviation Administration) for a controller who had not followed visual separation procedures. The litigation now turns on each party's share.
ANSP liability, air navigation service provider liability, ATC liability
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