# STC SA2-1159

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of anti-ice system
- Applied: May 3, 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/sha256/34/86/34868f012409c216bfa2534d8eca9f7dd20717ea9a5f09fccd04f17ce6a0e16c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8B49B0AFF4E9499985256CC10083D427.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-1159

## 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: SA2-1159 This certificate issued to: Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 Part SRAOT of the Civi] Aix

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

Installation of anti-ice system in accordance with Drawing List SD405000-1E dated 10/4/65, or later FAA approved revision.

This STC is part of the basic Howard 250 configuration and the basic H250 Tri-Gear configuration.

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

Date of Application: May 03, 1962 Date Reissued: 9/4/92; 12/21/98; 8/31/00 Date of Issuance: April 09, 1963 Date Amended: May 26, 1982 Rev. 7 By Direction of the Administrator еркА ber s. Frances cox (Signature) TOMINSTRATO 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 21P 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/sha256/34/86/34868f012409c216bfa2534d8eca9f7dd20717ea9a5f09fccd04f17ce6a0e16c)

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