# STC SA3506NM

- 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, Duke Astronautics fuel boost pump and miscellaneous parts
- Applied: April 25, 1986
- Status date: June 6, 1986
- Product: Aircraft
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/db/79/db79f1291e2caf1413dbca95539f856afcb2ff406c9a1bc3e6a3e8c4006287ef
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9C96B0BE21E4A25A862579E2004C7CFC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3506NM

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation H35 ([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: SA3506NM This certificate issued to: Collins Aviation Service Part 3 of the Civil Air Regulations, as amended to May 5, 1956, and Amendment 3-8.

Original Product -Type Certificate Number: 3A15 Make: Beech Model: H35 Description of Type Design Change: Install a Continental 10-470-N Engine, McCauley 2A36C23/84B-0 Propeller, Duke Astronautics Fuel Boost Pump, and miscellaneous parts in accordance with Collins Aviation Service photographs number 1 through 5, Report No. 86-1022 dated May 5, 1986, and pages 2-25 through 2-28 of Beech Limitations and Conditions: Data pertaining to this modification are considered to be inadequate for duplication in other aircraft. This approval is limited to the installation in Beech Model H35, Serial Number D-4980. 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.

Date of Application: April 25, 1986 Date Reissued:

Date of Issuance: June 6, 1986 Date Amended:

FEDERAL AVIATION Jang grief TOMIN STRAND ₴ Acting Manager, Seattle Aircraft Certification Office ¡ Title ]

47.

**FAA FORM 8110-2/10-681**

## Every issue (1)

- June 6, 1986: Issued, Current. [certificate](https://openairdocs.org/files/sha256/db/79/db79f1291e2caf1413dbca95539f856afcb2ff406c9a1bc3e6a3e8c4006287ef)

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