# STC SA2-602

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Thacker Todd C., United States
- Description: Installation of Lycoming GO-480-F4B6, or GO-480-F4A6 engines with Hartzell Model HC-83XF-2A/9333C-3 propellers, or Lycoming GO-480-F2A6 engines with Hartzell Model HC-83X20-2C/9333C-3 propellers in accordance with Aircraftsmen, Incorporated Instruction Sheet No. A-22.
- Applied: June 19, 1958
- Status date: June 4, 2004
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 5A4](https://openairdocs.org/tcds/5A4)
- Certificate PDF: https://openairdocs.org/files/sha256/94/14/9414b35fdd00e835a33c140695931a5ec8a03357b7dc9d6bd5844098bdb47c4f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/90902A63C3E90CB486256F870070C334.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-602

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company B50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

Number SA2-602 This Certificate issued to Todd C. Thacker, an Individual 551 Crescent Road Griffin, GA 30224

Part of the Regulations.

Original Product Type Certificate Number : 5A4 Make : Beech Model : B-50

Installation of Lycoming G)-480-F4B6, or GO-480-F4A6 engines with Hartzell Model HC-83XF-2A/9333C-3 propellers, or Lycoming GO-480-F2A6 engines with Hartzell Model HC-83X20-2C/9333C-3 propellers in accordance with Aircraftsmen, Incorporated Instruction Sheet No. A-22.

NOTE: Aircraftsmen, Inc. CAA approved Airplane Flight Manual Supplement dated July 24, 1958 to Beech B-50 Flight Manual required with this modification.

Data listed in Item 3 above, and Aircraftsmen Inc. letter dated June 28, 1958 and addressed to CAA on file at FW-235.

Compatibility of this design change with previously approved modifications must be determined by the installer. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : June 19, 1958

Date of issuance : July 31, 1958 Date reissued : June 04, 2004

( Signature) S. Frances Cox, Manager Special Certification Office, Southwest Region

(Title)

## Every issue (1)

- June 4, 2004: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/94/14/9414b35fdd00e835a33c140695931a5ec8a03357b7dc9d6bd5844098bdb47c4f)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.