aircraft precision products, inc.



Our Mission

Aircraft Precision Products, Incorporated is firmly committed to meeting and exceeding the needs and expectations of our customers, including but not limited to the end users of our products. We are also committed to building enduring relationships with our employees, the communities in which we operate, and our suppliers.


Quality Control Specs

  • AS9100D with ISO 9001:2015 (NSF-ISR)
  • FAR-21
  • NADCAP (EDM, Coatings, NDT, Conventional Machining as a Special Process)

Materials Machined

  • Alloy & Stainless Steels
  • Aluminum
  • High Temperature Alloys (Nickel, Cobalt, Titanium Base)

Machining Capabilities

  • 5 Axis Contouring Capability
  • Ground Diameters from 1″ to 22″
  • Milling Capability 50″ x 28″
  • Turned Diameters from 4″ to 50″ & widths up to 19″

Special Processes

  • Dry Film Lubrication
  • EDM Machining
  • Millipore Cleaning
  • Non-Destructive Testing (MPI & FPI)
  • Plasma and Thermal Coatings
  • Power Monitored Holemaking

Concurrent Engineering

  • Extensive Experience Providing Manufacturability Feedback to Customers

Coordinated Processes

  • Abrasive Flow Finishing
  • Anodize
  • Brazing / Welding
  • Heat Treat
  • Honeycomb Installation
  • Plating
  • Shot Peen

Leading into the future with a history of superior craftsmanship and cutting-edge technology. Aircraft Precision Products, Incorporated has long been a leading component supplier to the commercial and military aircraft engine industry. Since 1946, APPI has served customers who insist on the ultimate in precision machining, thermal coating and other phases of the metalworking industry.

More than 58,000 square feet of modern facilities located in Ithaca, Michigan allows APPI to maintain the highest standards of quality while meeting the most demanding of delivery schedules. APPI maintains its industry leading reputation by combining expert personnel and craftsmen with the latest CAD/CAM software, fully automated coordinate measuring machinery, four and five axis CNC machining centers and extensive CNC lathe capabilities.

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