# STC SA3303NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Install a Continental IO-470-N Engine, McCauley 2A36C23/84B-0 Propeller, and Cowl Flap System
- Applied: September 30, 1985
- Status date: December 4, 1985
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/40/7e/407ef55f16ee0c2479fa9e381ba399fdea0d4e2da09d0441426a8161f203c361
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2F876015E75669C786257A14004A0548.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3303NM

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SA3303NM This certificate issued to: Collins Aviation Service Part 3 of the Civil Air Regulations. as amended to May 15, 1956, and Amendment 3-8.

Original Product - TypeCertificate Number: 3A15 Make: Beech Model: 35-C33 Description of Type Design Change:

Install a Continental 10-470-N Engine, McCauley 2A36C23/84B-0 Propeller, and Cowl Flap System per Collins Aviation, Inc., Report No. 85-1019, Collins Aviation, Parts Catalog. Inc. Photographs Number 1 through 6, and Figure 159A (page 6) of Bonanza Illustrated Limitations and Conditions:

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Beech 35-C33 aircraft, Serial Number CD-932. A copy of this Certificate and FAA Approved Airplane modified aircraft. Flight Manual Supplement shall be maintained as part of the permanent records for the

## Every issue (1)

- December 4, 1985: Issued, Current. [certificate](https://openairdocs.org/files/sha256/40/7e/407ef55f16ee0c2479fa9e381ba399fdea0d4e2da09d0441426a8161f203c361)

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