Unison maintains a policy of compliance in accordance with the international standard ISO 9001, with the scope of design, development, manufacture and service components for commercial and military aircraft engines, industrial engines, airframes, and other vehicles. Unison is AS9001/ISO9001 certified and holds various FAA, EASA and CAAC approvals. To view these certificates, click here.


If you are unsure if a Unison product can be returned to the factory for service, please consult the attached parts list, your Regional Sales Director, or Unison Product Support. This list includes many of the most popular Unison products that can be returned to the factory for service.

Electrical & Power Products

Jacksonville, FL and Norwich, NY products
For a parts list of exciters, igniters, leads, permanent magnet generators (PMGs), power conditioning control units (PCCU), wiring harnesses, cable assemblies, switches, sensors and bellows, click here.

For Additional Information click here.

Mechanical Products

Dayton, OH products
For a parts list of tubes, ducts, and manifolds, click here.