# STC SA850NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Satterwite, George R., United States
- Description: Installation of a Continental engine and a McCauley propeller
- Applied: June 29, 1979
- Status date: October 25, 1979
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/42/76/427611912ffd71b36ef9ee0f5b652c3ccd519b55e438206ddfe9b923b4276e5f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0F8FA1B03D1D876186257A3E004E49EE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA850NW

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation 35-33 ([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 SAB50NN This certificate issued to: G. R. Satterwhite Part 3 of the CIVi1 Air Regulations.

Original Product - Typeberlificate Number: A-777 Make: Beech Model: 35-33 Description of Type Design Change: Installation of a Continental 10-520-BA engine and a McCauley 2A36C23/84B-0 propeller and associated systems in accordance with G. R. Satterwhite photographs Numbers 1 through 5.

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 35-33, Serial Number CD-389 only. A copy of this Certificate, Addendum Number SA850NW, and FAA Approved Airplane Flight Manual Supplement shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: June 29, 1979 Date Reissued:

Date of Issuance: . October 25, 1979 Date Amended:

FEDERAL AVIATION Charts Eithveder (Signature ) TOMINISTRATO N Chief, Engineering and Manufacturing Branch (Title)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) October 25, 1979 Number: SA850NW Supplemental Type Certificate ADDENDUM NO. SA850NW The conditions and limitations of Type Certificate Data Sheet A-777 apply except where superseded by the following:

Supplemental Type Certificate Data Sheet, which is part of STC SA85ONW, 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: G. R. Satterwhite I. BEECH MODEL 35-33 (LANDPLANE-NORMAL CATEGORY) AS MODIFIED BY STC SA850NW Engine: Continental I0-520-BA Engine Limits: 285 Hp @ 2700 rpm Fuel: 100LL or 100 octane minimum grade aviation gasoline Propeller: McCauley 2A36C23/84B-0 Propeller Limits: 285 Hp @ 2700 rpm Diameter: 84" maximum; 78" minimum Serial Number Eligible: CD-389 only

- END -

47.

**PAGE 3 OF 3 PAGES C FAA AC 73-2651**

## Every issue (1)

- October 25, 1979: Issued, Current. [certificate](https://openairdocs.org/files/sha256/42/76/427611912ffd71b36ef9ee0f5b652c3ccd519b55e438206ddfe9b923b4276e5f)

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