# STC SA1521WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kal Aero Service Inc, United States
- Description: Installation of metal covering on ailerons, elevators and rudder.
- Applied: May 31, 1967
- Status date: June 29, 1983
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-2-575](https://openairdocs.org/tcds/A-2-575)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/ce/c3ce6dbfa4505777e7a0e73c3a49ff87d0d89449e925eaaafdc037ac59a3209f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C008A8AB5B14609A85256CC10082128F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1521WE

## ADs that name it (0)

None.

## Approved models (7)

- Rockwell International Corporation AT-6 (SNJ-2) ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))
- Rockwell International Corporation AT-6A (SNJ-3) ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))
- Rockwell International Corporation AT-6B ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))
- Rockwell International Corporation AT-6C (SNJ-4) ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))
- Rockwell International Corporation AT-6D (SNJ-5) ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))
- Rockwell International Corporation AT-6F (SNJ-6) ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))
- Rockwell International Corporation T-6G ([TCDS A-2-575](https://openairdocs.org/tcds/A-2-575))

## 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 which was reported Number SA152IWE Reissued on June 29, 1983, to replace the original certificate This certificate issued to: Kal Aero Service, InC.

Part 42 of the CiVi] Air Regulations, dated Apri1 1, 1950.

Original Product - Type Gertificate Number: A-2-575 Make: North American Atardel:

AT-6, AI-GA, AI-6B, AT-6C, AI-6D, Description of Type Design Change: Installation of metal covering on ailerons, AT-6F, I-6G elevators and rudder in accordance with R. T, Elliot Drawings 1001A (1/7/79), 1002A (1/7/79), and MSAC Drawing 1003A (1/7/79).

The installation on Model AT-6C Serial Number 168-76, N96700, was made in accordance with three Robert T. Elliott Sketches dated May 23, 1967.

This approval should not be extended to other specific airplanes of these models on which other previously approved modifications incorporated unless it is determined that the interrelationship between this adverse effect upon the airworthiness of that airplane. change and any of those other previously approved modifications will introduce no October 4, 1967 Date Amended: October 3, 1969 EDERAL AVIATIO Dy dinctin of the Vagrimatrater Alan C.. Archoda TOMINISTRAIOA Get Pervisor, Airereft MotiFication Section 47

## Every issue (1)

- June 29, 1983: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/ce/c3ce6dbfa4505777e7a0e73c3a49ff87d0d89449e925eaaafdc037ac59a3209f)

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