• EASA Approval Certificate
    The document issued according to the guidelines of the European Aviation Safety Agency confirms Aerotec as a maintenance company for single- and twin-engined aircrafts below 5700 kg (12580 lbs).
    Approval Certificate (pdf)
    Approval Schedule (pdf)


For more than 35 years Aerotec performs its activities at the regional Airport of Grenchen. Pius Kaufmann and René Mühlethaler, both licensed aircraft maintenance staff, are the owners of the certified company since January 2005.

Aerotec is a certified EASA-Part-145 company and therefore authorized to perform maintenance and repairs on single- and twin-engined aircrafts up to 5700 kg (12580 lbs) MTOM. This includes works on piston engines of all current types including pressurized cabin and aircraft airframes. Power gliders and gliders are competently maintained and repaired by Aerotec as well.


René Mühlethaler
Licensed Aircraft Mechanic

Pius Kaufmann
Licensed Aircraft Mechanic

Christian Reber
Licensed Aircraft Mechanic

Gisela Kaufmann
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