# STC SA00073SE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Micro AeroDynamics Inc, United States
- Description: Installation of vortex generators to the wing upper surface at the leading edge.
- Applied: February 22, 1994
- Status date: April 7, 1994
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-691](https://openairdocs.org/tcds/A-691)
- Certificate PDF: https://openairdocs.org/files/sha256/49/70/4970c24f9abe53bf3fa8a1a56e34205703653b71f7e55cb7958cac64d5674646
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CF5482D37592C50385256CC1007DC76F.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00073SE

## ADs that name it (0)

None.

## Approved models (7)

- Piper Aircraft Inc. J3C-40 ([TCDS A-691](https://openairdocs.org/tcds/A-691))
- Piper Aircraft Inc. J3C-50 ([TCDS A-691](https://openairdocs.org/tcds/A-691))
- Piper Aircraft Inc. J3C-50S ([TCDS A-691](https://openairdocs.org/tcds/A-691))
- Piper Aircraft Inc. J3C-65 (Army L-4; L-4A; L-4B (Navy NE-1); L-4H; L-4J (Navy NE-2)) ([TCDS A-691](https://openairdocs.org/tcds/A-691))
- Piper Aircraft Inc. J3C-65S ([TCDS A-691](https://openairdocs.org/tcds/A-691))
- Piper Aircraft Inc. PA-11 ([TCDS A-691](https://openairdocs.org/tcds/A-691))
- Piper Aircraft Inc. PA-11S ([TCDS A-691](https://openairdocs.org/tcds/A-691))

## 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: SA00073SE This certificate issued to: Micro AeroDynamics Part 4a of the Civil Air Regulations.

Original Product - Type Bertificate Number: A-691 Make: Piper Model: J3C-40, J3C-50, J3C-55S, J3C-65, J3C-65S, PA-11, PA-11S Description of Type Design Change: Installation of Vortex Generators (VG's) to the wing upper surface at the leading edge, in accordance with Drawing Package MA2031 and Installation Manual MA2032, both dated March 17, 1994.

Limitations and Conditions: Approval of this change in type design applies basically to the above model aircraft only. This approval should not be extended to other aircraft on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

Date of Application: February 22, 1994 Date Reissued:

Date of Issuance: April 7, 1994 Date Amended:

FEDERAL AVIATION By direction of the • saministrato etrian (Signature)

HOMINIS T RATION Acting Manager, Seattle Aircraft Certification Office (Title)

47.

## Every issue (1)

- April 7, 1994: Issued, Current. [certificate](https://openairdocs.org/files/sha256/49/70/4970c24f9abe53bf3fa8a1a56e34205703653b71f7e55cb7958cac64d5674646)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.