# STC SA1148SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bob or Barbara Williams, United States
- Description: Installation of aileron drooping
- Applied: April 20, 1970
- Status date: April 27, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24)
- Certificate PDF: https://openairdocs.org/files/sha256/64/d8/64d880f929caf82a23a42d56fa8d5c3f2185c6248fd64bacd6b9f77dddf22ce8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/841EE5372D6A712385256CC10080DEE8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1148SW

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24))

## 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: SA11485W This certificate issued to: Bob or Barbara Williams Box 608 Udall, Kansas 67146 Purt 3 / the Civil Air Regulations.

Original Product - Type Ferificate Number: ЗА24 Make: Cessna Martel: A185E F'escriplien of Lype I esign tihange: Installation of aileron drooping device according to Drawing List dated April 30, 1970.

Limitations and Conditions: 1. For amphibian version only

2. Aircraft must be placarded: Aileron droop for takeoff only. Aft C.G.

Limit with aileron droop 44.5 inches aft of datum. Normal load factor 3.8n flap up - 3.0g flap-aileron down.

Maximum gross weight - 3000 1bs.

Date of Application: April 20, 1970 1// ma/ 9/6/73; 2/13/75; 4/18/80;

4/27/84 I ate of issmane May 28, 1970 I ate amendal "FEDERAL AVIATION By Direction of the Administrator Original Signed By Robert A. Gambrill, Jc.

(Signature ) OMINISTRATO Wichita Aircraft Certification Office Robert A. Gambrill, Cr., Manager (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Shooksw Number Limitations and Conditions: (continued):

4. This approval should not be extended to other specific airplanes of this model on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that airplane.

47.

**PAGE OF PAGES**

## Every issue (1)

- April 27, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/64/d8/64d880f929caf82a23a42d56fa8d5c3f2185c6248fd64bacd6b9f77dddf22ce8)

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