For over 70 years, APS has been a premier provider of aircraft propeller system maintenance, repair, and overhaul (MRO) services.

We’re an OEM-licensed repair facility for Hamilton Sundstrand 568F, 14SF, 247F, and 14RF Propellers and our AS9100-certified manufacturing division is uniquely arranged to make high-precision or high-volume parts. In addition, APS has a diverse teardown business consisting of ATR and E-Jet inventory.

We’re proud to serve regional, commercial, military, and general aviation markets globally. Based in Chicago, USA, Sao Paulo, Brazil, and Malaysia, offering comprehensive support wherever you operate.