# STC SA2-1128

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of elevator spring tab, trim tab, nose down spring and elevator bellcrank station 561
- Applied: February 3, 1961
- 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/sha256/72/97/7297744bb540eac0748890d2a2af1c77c34ca79680e329df160f29708257d439
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FE8B179C85F467AF85256CC10083D41E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-1128

## 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: SA2-112€ This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Purt SR407 of the CiVi1 Ai x Regulations.

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

Installation of elevator spring tab, elevator trim tab, nose down spring and elevator bellcrank station 561 installed according to Howard Aero, Inc. Drawing List No. SD408000-2K dated 9/20/65, or later FAA approved revision, Limitations and Conditions:

This STC is part of the basic H250 Tri-Gear configuration and subject to the flight manual for H250 Tri-Gear modifications.

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

Date of Application: February 03, 1961 Date Reissued: 7/10/92; 12/21/98; 8/31/00 Date of Issuance: March 26, 1962 Date Amended: May 26, 1982 Rev. 12 FEDERAL AVIATION By Direction of the Administrator And Where for (Signature) S. Frances Cox TOMINISTRATO 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 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/sha256/72/97/7297744bb540eac0748890d2a2af1c77c34ca79680e329df160f29708257d439)

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