# STC SA2-597

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of Lear Model L2C autopilot.
- Applied: July 18, 1958
- Status date: August 31, 2000
- Product: Aircraft, Small/Large Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-816](https://openairdocs.org/tcds/A-816)
- Certificate PDF: https://openairdocs.org/files/sha256/d6/67/d667147773ce6cf240433a13ac80a3461cfba3c7159c6f14d6836bad3435c230
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5F4EB94DA3EAB00585256CC10083D4B5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-597

## ADs that name it (0)

None.

## Approved models (1)

- The de Havilland Aircraft Co. Ltd. D.H.114 Heron Series 2DA ([TCDS A-816](https://openairdocs.org/tcds/A-816))

## 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 3A2-597 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 therefor as specified hereon meet's the airoorthiness requirement's of Part 10 of the Civil Ai I Poegulations.

Original Product Type Certificate Number: 816 Make: de Havilland Model: D.H. 114 Heron Series 2DA Installation of Lear Model I2C autopilot in accordance with data listed on Dallas Aero Service dwg. list Rev. 2 dated 4/8/80 title &Installation - Lear Model L2C Autopilot - DH 114 Heron, or later FAA approved revision.

Dallas Aero Service FAA Approved Airplane Flight Manual Supplement dated 4/7/59 is required.

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

Date of Application: July 18, 1958 Date Reissued: . 7/10/92; 12/21/98; 8/31/00 Date of Issuance: September 25, 1959 Date Amended: January 05, 1982 Rev. 6 FEDERAL AVIATION By Direction of the Administrator ors. Frances Cox TOMINSTRATO Manager, Special Certification Office, Southwest Region (Title) ble by a fine of not exceeding $1,000, or imprison ent not exc ding 3 years, or both.

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 cade) 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/d6/67/d667147773ce6cf240433a13ac80a3461cfba3c7159c6f14d6836bad3435c230)

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