# STC SA1672NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Installatino of continental IO-470N engine; a Beechcraft 278-100/278-214-82 propeller
- Applied: February 24, 1982
- Status date: September 20, 1982
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/3c/96/3c963e28ca709e742eb8f77ce8a2bd118293e4ff31c789221146fa8b177e9366
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ED3E9FC1F8F5C03586257A0500625A1C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1672NM

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation 35-A33 ([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: SA16125N1 This certificate issued to: Collins Aviation Part 3 s'the CIVII Air Regulations:

Original Product - Type bertificate Number: ЗА15 Make: Beech Model: 35-A33 Description of Type Design Change: Installation of Continental 10470p engine;

a Beechcraft 278-100/278-214-82 propeller; and other changes as shown in accordance with Collins Aviation photographs 1 through 3, and Collins Report No. 82-1011.

Limilalunand bonditions: Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Beech, Model 35-A33, Serial Number 375 only. A copy of this Certificate and Addendum must be maintained as part of the permanent records for the modified aircraft.

Date of Application: February 24, 1982 Date Reissued:

Date of Issuance: September 20, 1982 Date Amended:

FEDERAL AVIATION My die Davell M. Pelessen ion of the ildministrator * MINISTRATO actuanager, sect ta 110ret0 Certification Office, ANM-100S (Signature) (Title)

47.

**FAA FOR 8110-2 (10-68)**

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) September 20, 1982 Number SA1672NM Supplemental Type Certificate ADDENDUM NO. SA1672NM The conditions and limitations of Type Certificate Data Sheet Number 3A15 apply except where superseded by the following:

inis Supplemental lype Certiticate Data Sheet, which is part of Sic SAlb/ZNM:

prescribes the conditions and limitations under which the product for which the STC was issued meets the airworthiness requirements of the Civil Air Regulations:

Supplemental Type Certificate Holder: Collins Aviation BEECHCRAFT 35-A33 (4 PCLM UTILITY CATEGORY) AS MODIFIED BY STC SA1672NM Engine: Continental IO-470N Engine Limits: 260 HP @ 2625 Maximum Continuous Maximum Cylinder Head Temperature - +460°F Maximum Oil Inlet Temperature - +225°F Propeller: Beech 278-100/278-214-82 Propeller Limits: 260 HP @ 2625 RPM Maximum Continuous Maximum Diameter: 82" Minimum Diameter: 82" No other restrictions Placard: Place a placard in full view of the pilot to read:

Climb Power: 2500 RPM; 24.5" Hg, at 110 MPH IAS

- END -

**FAA FORM B110-2-1 (10-69) PAGE 3 OF 3 PAGES**

## Every issue (1)

- September 20, 1982: Issued, Current. [certificate](https://openairdocs.org/files/sha256/3c/96/3c963e28ca709e742eb8f77ce8a2bd118293e4ff31c789221146fa8b177e9366)

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