# STC SA5949NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Micro AeroDynamics Inc, United States
- Description: Installation of vorex generators on wing upper leading edge and on lower trailing edge of fixed surface of horizontal tail.
- Applied: January 4, 1993
- Status date: April 29, 1993
- 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/sha256/21/67/21671452679e285dda767b12c9caae782af39c94215f2958c21e19293112ea87
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/556B0128442628AF85256CC200122CAD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5949NM

## ADs that name it (0)

None.

## Approved models (1)

- 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))

## 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: SA5949NM This certificate issued to: Micro Aerodynamics, InC.

Pure 42 of the CiVIl Air Regulations Original Product - Type berlificate Number: A-698 Make: Piper Model: J3C-65 leading edge and on the lower trailing edge of the fixed surface of the horizontal Description of Type Design Change: Installation of Vortex Generators on the wing upper tail, in accordance with Micro Aerodynamics Drawings 901001, 901002, J3001, and J3002.

NOTE: If more than five vortex generators are damaged or missing, the aircraft is not airworthy.

Limilaluns andbinditions: Data pertaining to this modification are considered inadequate for other aircraft.

Model P3C-65 aircraft, Serial No. 20282, R/N N7037H, only. A copy of this Certificate, must be maintained as part of the permanent records for the modified aircraft.

## Every issue (1)

- April 29, 1993: Issued, Current. [certificate](https://openairdocs.org/files/sha256/21/67/21671452679e285dda767b12c9caae782af39c94215f2958c21e19293112ea87)

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