# STC SA33CH

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: McCauley Propeller Systems, United States
- Description: Installation of McCauley propeller model 4HFR34C661/90LNA-2.
- Applied: June 15, 1992
- Status date: September 21, 2005
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A28CE](https://openairdocs.org/tcds/A28CE)
- Certificate PDF: https://openairdocs.org/files/sha256/db/2b/db2b12c00432da0876f9ff6007460a6d9ba651780811fc662108f28fcca556fc
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/496C1B85C0C117BA8625715500511A87.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA33CH

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 441 ([TCDS A28CE](https://openairdocs.org/tcds/A28CE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- September 21, 2005: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/db/2b/db2b12c00432da0876f9ff6007460a6d9ba651780811fc662108f28fcca556fc)

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