# STC SA2191WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Sierra Industries Ltd., United States
- Description: Installation of recontoured wing leading edge, stall fences, and drooped ailerons in flaps down mode.
- Applied: April 17, 1970
- Status date: July 31, 2017
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A19](https://openairdocs.org/tcds/3A19)
- Certificate PDF: https://openairdocs.org/files/sha256/bb/d5/bbd580c0c26978c08932c13b821caf75aa7efb0202527666285b37c00acfda86
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/4CAC5020E53CDA678625871F004CDD17.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2191WE

## ADs that name it (1)

- [AD 83-17-06](https://openairdocs.org/ad/83-17-06): Aileron Balance Weights · Flap actuated aileron droop system (Sierra Industries STC SA1382WE or 5 others). Effective Sep 1, 1983. Named in the applicability

## Approved models (7)

- Textron Aviation Inc. 150D ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150E ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150F ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150G ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150H ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150J ([TCDS 3A19](https://openairdocs.org/tcds/3A19))
- Textron Aviation Inc. 150K ([TCDS 3A19](https://openairdocs.org/tcds/3A19))

## 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.

FAA Form 8110-2 (5/14) Page 1 of 2

Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced.

Number: SA2191WE

Part 3 of the Civil Air Regulations.

Original Product – Type Certificate Number: 3A19 Make: Cessna Model: 150D through 150K

Installation of recontoured wing leading edge, stall fences and drooped ailerons in flaps down mode in accordance with the drawings called for on FAA Sealed Robertson Aircraft Drawing List No. 10, on the applicable models which have previously incorporated a 150 HP engine in accordance with the Air Mod STC SA1034SW or Doyn S TC SA572CE.

1) Limitations specified by STC SA1034SW or SA572CE. 2) Flaps down load factor +2.3. 3) Airplane is “N” category only. 4) Aft CG moves forward to 35.5 inches from datum. 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. A copy of this Certificate shall be maintained as part of the permanent records for the modified aircraft.

Date of Application: April 17, 1970 Date Reissued: 11/5/73; 11/8/84; 10/10/86; 7/21/05; 7/31/17 Date of Issuance: June 19, 1970 Date Amended: November 30, 1970

Signature

Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd.

122 Howard Langford Drive Uvalde, TX 78801

FAA Form 8110-2 (5/14) Page 2 of 2

Transfer the ownership of Supplemental Type Certificate Number: SA2191WE

To (Name and address of transferee)

From (Name and address of grantor)

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number: SA18NW

FAA Form 8110-2 (5/14) Page 3 of 3

## Every issue (2)

- July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/bb/d5/bbd580c0c26978c08932c13b821caf75aa7efb0202527666285b37c00acfda86)
- July 21, 2005: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d8/65/d86571732350fe6aded3236aac12e1fa2f64ef39ba49dd205eb6c0a6dd60d8a4)

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