# STC SA01664SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Big Sky Stearman, United States
- Description: Installation of a Jacobs R755B2 engine, Hamilton Standard propeller with a 2B20 hub and 6135A-15 or 6135A-16 blades and associated installation components.
- Applied: February 7, 2006
- Status date: April 18, 2006
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS TC 641](https://openairdocs.org/tcds/TC%20641)
- Certificate PDF: https://openairdocs.org/files/sha256/b7/75/b775f662812789e6625cd1576892fd4e4934f7c0d69c3b1bb58eab8272d41955
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7D2A41341476E5328625715B0048EA86.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA01664SE

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company E17B (Army UC-43D) ([TCDS TC 641](https://openairdocs.org/tcds/TC%20641))

## 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 SA01664SE This certificate, issued to Big Sky Stearman 16052 S. Springwater Road Oregon City, OR 97045 Aero Bulletin 7A.

Original Product⎯Type Certificate Number: 641 Make: Beechcraft Model: E17B

Description of the Type Design Change: Installation of a Jacobs R755B2 engine, Hamilton Standard propeller with a 2B20 hub and 6135A-15 or 6135A-16 blades and associated installation components in accordance with the installation instructions per the Operator Manual – Jacobs Airplane Engine Models R755A and R755B Manual, issued in 1948 and revised in 1960, or later FAA Approved Revision.

Limitations and Conditions: Approval of this change in type design applies to aircraft s/n 233 only. The airplane modified in accordance with this STC must be operated in accordance with the FAA approved Operator Manual – Jacobs Airplane Engine Models R755A and R755B Manual, issued in 1948 and revised in 1960, or later FAA approved revision. A copy of this Certificate and the Operator Manual must be maintained as part of the permanent record of the modified airplane.

Date of application: February 7, 2006 Date reissued:

Date of issuance: April 18, 2006 Date amended:

(Signature) Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- April 18, 2006: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b7/75/b775f662812789e6625cd1576892fd4e4934f7c0d69c3b1bb58eab8272d41955)

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