Notice
29 Jul 2025
regulations, aviation, faa, safety, engineering, supplemental type certificate, stc
✈️FAA Notice on Abandonment of Supplemental Type Certificate STC 1806SO
This notice announces the FAA's intent to designate Harlan Associates of Spruce Creek, Inc. Supplemental Type Certificate (STC) No. SA1806SO as abandoned and make the related engineering data available upon request. The FAA has received a request to provide engineering data concerning this STC. The FAA has been unsuccessful in contacting Harlan Associates of Spruce Creek, Inc. concerning the STC. This action is intended to enhance aviation safety.
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