# STC SA2-154

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of L712006-502 or503 Airspeed System.
- Applied: April 21, 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/sha256/01/33/0133573c8b8584c861d25fa27ed0c0a440c941989434d3b69491930427479c29
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7132E80295715B3E85256CC10083D447.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-154

## 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.

JBitittb gitalt* of ^ransportatton - ,3)j>heral JVhtation ^ministration (Certificate SA2-154 &<Lceea!'&> signature Flight Support Corporation, a Delaware Corporation 7511 Lemrnori Avenue, Hangar C Dallas, TX 75209 tf 4a Civil Air 723 Lockheed 18 Installation of LT12006-502 or 503 Airspeed System in accordance with DAS Drawing List titled "Airspeed System Installation" Rev. 2 dated 12/13/60.

Dallas Aero Service FAA Approved Airplane Flight Manual revision dated 5/12/58 to L-18 Airline Training Manual is required.

This airspeed system is eligible with STC SA2-306, radome kit.

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

.-April 21, 1958 April 10, 1959 .-6/1/92; 12/21/98; 8/31/00 . June 30, 1972 Rev. 7 (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region

•iteration of this certificate by A finv of not *KCeedin0 $1,000, GI Iroptlscnoent not exceeding 3 yeJfj, or ttoth.

FAA Form 6110-2{10-68] Page 1 of 2 certificate may be transferred in accordance ultt] FAft 21.41.

INS f/RUC I IONS, ['he transfer endorse mi-n I below may be used !o notify the appropriate FAA Regional Office of [hi- iransfi-r of this Supplemental Type Certificate.

The FAA v*ill remur (hr 1 rrnficate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership <if Supplcrnenlal Type Certificate Number to (Name of transferee) (Address of transferee) I Number and strrrtj (City..Volt, ami {IP rode) from (Name of grantor) (Print or type) (Address of grantor) < and it'rrt) (Ci!?,Sfalr, anil ^ll> todt) Extent of Authority (if licensing agreement):

Date of Transfer: _ Signature of grantor (In ink):

C FAA AC ea-3S3fi

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/01/33/0133573c8b8584c861d25fa27ed0c0a440c941989434d3b69491930427479c29)

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