# STC SA84NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Collins Aviation Service, United States
- Description: Installation of a derated Continenntal E-225-8 engine
- Applied: December 3, 1973
- Status date: December 19, 1973
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777)
- Certificate PDF: https://openairdocs.org/files/sha256/bb/54/bb54d010da46b82f6780295845760aaebad70a942f0de79d4ac17ce45dec9450
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/014802054818EBE186257ADA00735192.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA84NW

## ADs that name it (0)

None.

## Approved models (1)

- Hawker Beechcraft Corporation 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777))

## 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 SA84NW This certificate issued to: Collins Aviation Services Part 3 of the Civil Air Regulutions:

Original Product -Type berlificale Number: A-777 Make: Beech Model: 35, Serial Number D-938, N3729N Description of Type Design Change:

Installation of a derated Continental E-225-8 engine on a Beech 35 aircraft.

Data not suitable for reproduction in other aircraft; therefore, they are satisfactory for Beech 35 on a one-only airplane baais for serial number D-938 only. A copy of this certificate, STC SA84NW, which includes FAA Approved Airplane Flight Manual Supplement is a part of this STC and shall be maintained as a part of the permanent records of this modified aircraft.

Date of Application: December 3, 1973 Date Reissued:

Date of Issuance: . December 19, 1973 Date Amended:

FEDERAL AVIATION By Direction of the Administrator (Signature) Chief, Engineering and Manufacturing Branch (Title)

**AA FORM 8110-2 (10-68)**

## Every issue (1)

- December 19, 1973: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bb/54/bb54d010da46b82f6780295845760aaebad70a942f0de79d4ac17ce45dec9450)

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