# STC SA2-1553

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Stall warning system.
- Applied: July 25, 1962
- Status date: August 31, 2000
- Product: Aircraft, Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/16/5b/165bc86e0de9e2886419dd1e0eb24bbd9618af5abf305de366af1a416233d6fe
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9A18777231A5F7C786257D790063585C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-1553

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Martin Aeronautics Company 18 ([TCDS A-723](https://openairdocs.org/tcds/A-723))

## 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: SA2-1553 This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Certifies that the change in the type design for the following product with the limitations and condition's therefor as specified hereon meets the airvorthiness requirement's of Purt SR407 of the CiVi] Ait Poegulations.

Original Product Type Certificate Number: 723 Make: Lockheed Model: 18 Description of Type Design Change:

Stall warning system in accordance with Drawing List SD408000-11G dated October 1l, 1965, or later FAA approved revision.

This STC is part of the basic H250 Tri-Gear configuration.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

Date of Application: July 25, 1962 Date Reissued: • 9/4/92; 12/21/98; 8/31/00 Date of Issuance: September 20, 1962 Date Amended: May 20, 1982 Rev. 8 FEDERAL AVIATION s. Frances Cox By Direction of the Administrator FauBRoack (Signature) TOMINISTRATIO Manager, Special Certification Office, Southwest Region (Title)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) - (Number and street) (City, State, and ZIP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and 2IP code) Extent of Authority (if licensing agreement): - Date of Transfer:

Signature of grantor (In ink): - FAA AC 69-5536

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/16/5b/165bc86e0de9e2886419dd1e0eb24bbd9618af5abf305de366af1a416233d6fe)

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