# STC SA00013SE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BLR Aerospace LLC., United States
- Description: Installation of vortex generators, stall fences, and strakes.
- Applied: August 5, 1993
- Status date: August 23, 2018
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/3e/c93e9ed4579b5957b81fe8d6a4a4fe0c85ccf910936d9b64281f0ec29d975640
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E695A4CC42089C69862582F7005E2A85.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA00013SE

## ADs that name it (0)

None.

## Approved models (1)

- Piper Aircraft Inc. PA-31 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))

## 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.

Un ited S tates of Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SA00013SE

This certificate, issued to BLR Aerospace, LLC 11002 29th Ave. West Everett, WA 98204

Part 3 of the Civil Air Regulations.

Original ProductType Certificate Number: A20SO Make: Piper Model: PA-31

Description of the Type Design Change: Installation of vortex generators, stall fences, and strakes in accordance with Document AA1162, no revision, dated July 15, 1993, and Document AA1161, no revision, dated July 27, 1993, or later FAA-approved revisions.

Limitations and Conditions: Data pertaining to this modification are considered inadequate for other aircraft.

This approval is limited to the installation in Model PA-31, Serial No. 31-7712003, only. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

Note: This modification must be installed in combination with STC No. SA970SO.

Date of application: August 5, 1993 Date reissued: November 23, 2009; August 23, 2018 Date of issuance: August 10, 1993 Date amended:

FAA FORM 8110-2 (5/14) PAGE 1 OF 2 PAGES By direction of the Administrator

(Signature)

Manager, Seattle ACO Branch (Title)

## Every issue (2)

- August 23, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c9/3e/c93e9ed4579b5957b81fe8d6a4a4fe0c85ccf910936d9b64281f0ec29d975640)
- November 23, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/f8/72/f87256eb9b75c7554e7a675cc2356c6113d23ed1bad6bd930161b60c1e716b9c)

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