# STC SP1628SO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Henderson Timothy H, United States
- Description: Install H&H Propeller blade activating link P/N H-1935.
- Status date: August 30, 1984
- Product: Propeller
- Certification basis: Part 21
- Data sheets: [TCDS P-880](https://openairdocs.org/tcds/P-880), [TCDS P-901](https://openairdocs.org/tcds/P-901), [TCDS P3EA](https://openairdocs.org/tcds/P3EA), [TCDS P7EA](https://openairdocs.org/tcds/P7EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A1A0D45D0B659BFF85256CC2006223FF.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SP1628SO

## ADs that name it (0)

None.

## Approved models (4)

- McCauley Propeller Systems 2A34C ([TCDS P3EA](https://openairdocs.org/tcds/P3EA))
- McCauley Propeller Systems 2A36 ([TCDS P-880](https://openairdocs.org/tcds/P-880))
- McCauley Propeller Systems 2D34C ([TCDS P7EA](https://openairdocs.org/tcds/P7EA))
- McCauley Propeller Systems 2D36 ([TCDS P-901](https://openairdocs.org/tcds/P-901))

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