NAICS UNIVERSITY · Free research for insurance agents
Aircraft Engine and Engine Parts Manufacturing
NAICS 336412 · United States · 2022 edition
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) manufacturing aircraft engines and engine parts; (2) developing and making prototypes of aircraft engines and engine parts; (3) aircraft propulsion system conversion (i.e., major modifications to systems); and (4) aircraft propulsion systems overhaul and rebuilding (i.e., periodic restoration of aircraft propulsion system to original design specifications). MANUFACTURING 289
Start with the work promised to the client.
For Aircraft Engine and Engine Parts Manufacturing, clarify the services, contracts and consequences of an error. Review aviation products liability, completed operations, employee injuries. Confirm which professional activities and additional services the proposed coverage actually addresses.
Questions to ask
- What aviation platforms are the engines or components manufactured for — general aviation, commercial air carrier, military, or experimental?
- Does the operation hold current FAA Part 21 production approval, Part 145 repair station certification, or equivalent military quality certifications?
- What percentage of revenue is new manufacturing versus overhaul, repair, or prototype development?
- What quality management systems are in place, and is there third-party AS9100 or equivalent certification?
- Are there any government or military contracts with unique indemnity or hold-harmless provisions?
- For Aircraft Engine and Engine Parts Manufacturing, what should the underwriter know about prior aviation products liability losses, regardless of resolution?
- For Aircraft Engine and Engine Parts Manufacturing, what should the underwriter know about manufacturing for high-seat-count commercial airliner platforms, where a single product failure could involve mass-casualty exposure?
- For Aircraft Engine and Engine Parts Manufacturing, what should the underwriter know about gaps or deficiencies in faa part 21, part 145, or as9100 quality management certification and documentation?
Activities described by this code
Other activities to examine
Census classification reference
For educational purposes only. AI-generated insurance research and automated logic can contain errors. Independently verify classification and coverage decisions.
Compare another operationInsurance operations research — draft
Establishments in this class design, manufacture, test, and overhaul aircraft engines, turbines, and propulsion system components for commercial, general aviation, and military platforms. Operations typically involve precision machining, assembly, and extensive testing of high-tolerance parts under strict FAA and/or military quality standards. Some facilities focus on engine overhaul and restoration to original specifications rather than new manufacturing.
Questions to investigate
- What aviation platforms are the engines or components manufactured for — general aviation, commercial air carrier, military, or experimental?
- Does the operation hold current FAA Part 21 production approval, Part 145 repair station certification, or equivalent military quality certifications?
- What percentage of revenue is new manufacturing versus overhaul, repair, or prototype development?
- What quality management systems are in place, and is there third-party AS9100 or equivalent certification?
This insurance research was generated in April 2026. It has not received a complete human review. The October 12, 2026 audit checked codes and titles only, not descriptions or coverage assertions.