Third-party liability insurance for aircraft over 250g

Verified from official sources
Art. 35 para. 1 & 3SR 748.941, Art. 35Version 1Effective -Verified 25 August 2026

In plain language

If your drone or model aircraft weighs more than 250g, you must have liability insurance covering at least 1 million Swiss francs and carry proof of this insurance with you when flying.

Requirement as structured

Keepers of aircraft weighing over 250g must hold a third-party liability insurance policy with guaranteed coverage of at least one million francs and carry evidence of this insurance when operating the aircraft.

Original regulatory text

Third-party liability claims made by third parties on the ground must be covered by the keeper of aircraft weighing over 250g in a third-party liability insurance policy with guaranteed cover of at least one million francs. ... Keepers of aircraft weighing over 250g must carry evidence of third-party liability insurance when operating aircraft.

Applies when

min mtom kg
0.25