# STC SA3337NM

- 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: January 28, 1986
- Status date: March 7, 1986
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/22/f4/22f4fc3e5c79326efd551dedc1d51ff1a72273ee635ec4527cbfb217541e0be3
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C7770554D1972046862579E2004A6FB2.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3337NM

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation 35-B33 ([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 SA3337NM 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 - Type Gerlificate Number: ЗА15 Make: Beech Model: 35-B33 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. 86-1020, Collins Aviation, Inc. Photographs Number 1 through 6, and Figure 159A (page 6) of Bonanza Illustrated Parts Catalog.

Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Beech 35-B33 aircraft, Serial Number CD-570. A copy of this Certificate and FAA Approved Airplane Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

This certificate and the supporting data which is the basis for approval shall remuin in effect until surrendered, suspended, revcked, or a termination date is therwise established by the Sidministrater of the Federal Aviation Administration Date of Application: January 28, 1986 Date Reissued:

Date of Issuance: March 7, 1986 Date Amended:

FEDERAL AVIATION By Direction of the Administrator TAMINIST RATIO Acting Manager, Scattle Aircraft Certification Office Dand grief (Title)

## Every issue (1)

- March 7, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/22/f4/22f4fc3e5c79326efd551dedc1d51ff1a72273ee635ec4527cbfb217541e0be3)

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