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Though the on-site evaluation was a rather slow process with the four-man NKET, we were pleased with the outcome of the evaluation. As expected, it will be several more weeks before the FAA issues its official determination (checklist with a "score") and the STOL CH 750 kit is added to the official "Revised Listing of Amateur-Built Aircraft Kits." Importantly, builders will be able to use this resulting FAA checklist to determine exactly how much commercial / professional builder assistance may be used without violating the “major portion” requirement, or Zenith can also use the checklist to help it decide how much additional pre-fabrication it can perform to the kits.
As many of you know, the STOL CH 750 kit makes extensive use of match-drilled pilot holes (CNC pre-drilled skins and parts). While this feature saves the builder countless construction and assembly hours, it still fully meets the "fabrication" requirement since the builder needs to drill through the pilot holes (to final hole size) and then de-burr prior to riveting the assembly together.
Next up, we'll have the FAA evaluate the CH650 kit...