AIRCRAFT ENGINE MFG. OR REBUILDING
This classification applies to manufacturing or rebuilding aircraft engines when such operations are not performed in connection with aircraft manufacturing.
The repair, rebuilding or modification of aircraft engines, when performed directly on the aircraft or in connection with the removal and reinstallation of engines, components or accessories by the same employer shall be classified as 7428(3), Aircraft Remanufacture, Conversion, Modification and Repair Companies.
The manufacture or repair of machined aircraft components or accessories (not aircraft engines) by employers approved by the Federal Aviation Administration, when such operations are not performed directly on the aircraft or in connection with the removal and reinstallation of engines, components or accessories by the same employer, shall be classified as 3831, Machine Shops – aircraft components.
| Shown below is the previously published phraseology and footnote | Effective Date |
|---|---|
Phraseology:
Employers that remove or install engines or otherwise work directly on the aircraft shall be classified as 7428(3), Aircraft Remanufacture, Conversion, Modification and Repair Companies. The manufacture or repair of machined aircraft components and accessories (not aircraft engines) by employers approved by the Federal Aviation Administration shall be classified as 3831, Machine Shops — aircraft components, in accordance with the provisions of the Multiple Enterprises rule. | 9/1/2021 |
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