# STC SA2-595

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of fuel flow indicator
- Applied: July 3, 1958
- 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/sha256/6b/98/6b98564719e3a627bb59ed6372d2072b75785a316505a21d7e2076d1a4f3e809
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DC64CE2D569799B185256CC10083D4B4.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-595

## 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

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

of Wrnitsportattntt - .Sfefceral (Certificate &> * SA2-595 Signature Flight Support Corporation, a Delaware Corporation 7511 Lernmon Avenue, Hangar C Dallas, TX 75209 Civil Air 723 Lockheed 18 Installation of fuel flow indicator in accordance with Howard Aero, Inc. Drawing List No. SD401000-2B dated 10/11/65, or later FAA approved revision.

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

Compatibility of this modification with other previously approved modifications must be determined by the installer. - . July 03, 1958 April 29, 1959 ; 12/21/98; 8/31/00 28, 1982 Rev. 11 ' (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region (TVrte) Any situation of Chjj cactlficMtv ty d finv vf not ev<7e*dlng $1,000, or imprisonment not. exceeding 3 years, of doth.

Faro 6110-2(10-66] Psge 1 of in aecordence ulth FAR

INSTRUC 1'IONS. '['he iranslrr endorse mi- ni hclow may be used 10 notify ihe appropriate FAA Regional Office of [hr tj'ansfrr of this Supplemental Type Certificate.

Thp FAA will reissue ihc certificate in ihc name of tlu- transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name oj transferee) (A ddress of Iransjeree) urnbt' tintt strfftf (City. Stair, and £IP ladr) from (Name of grantor) (Print or type) (Address of grantor) ttnd i , Stale, and ^IP cotttI Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5538**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6b/98/6b98564719e3a627bb59ed6372d2072b75785a316505a21d7e2076d1a4f3e809)

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