# STC SA2-1531

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of wing tips and related equipment.
- Applied: September 28, 1961
- Status date: August 31, 2000
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-723](https://openairdocs.org/tcds/A-723)
- Certificate PDF: https://openairdocs.org/files/sha256/06/e2/06e262d80d8bf0afb0db835394c459a47ae8fe6698e5494ed1229877bd600359
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/168F4A28F405F8A986257D790059E174.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-1531

## ADs that name it (0)

None.

## Approved models (1)

- Lockheed Aircraft Corporation Lockheed 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: SA2-1531 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 conditions therofor as specified hereen meet's the airoorthiness requirement's of Part 4a of the Civil Air Regulations Original Product Type Certificate Number: 723 Make: Lockheed Model: 18 Description of Type Design Change:

Installation of wing tips and related equipment in accordance with DAS Drawing List Revision 1 dated 1/11/62, or later FAA approved revision.

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

Date of Application: September 28, 1961 Date Reissued: 9/4/92; 12/21/98; 8/31/00 Date of Issuance: September 20, 1962 Date Amended: May 20, 1982 Rev. 7 FEDERAL AVIATION By Direction of the Administrator GangBRoach (Signature)

s. Frances cox TOMINISTRATIO Manager, Special Certification Office, Southwest Region (Title) ition of this certificate is punishable by a fine of not exceeding $1,000, or imprisonment not exc eding 3 years, or both.

2(10-68)

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 ZIP 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/sha256/06/e2/06e262d80d8bf0afb0db835394c459a47ae8fe6698e5494ed1229877bd600359)

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