# STC SA2-560

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Installation of Warren McArthur chair Model 225 or 239 for pilot and co-pilot.
- Applied: June 23, 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/sha256/7b/2f/7b2f0c8b3d601a9d36f7cfb52acbc2208c196d612145f135b19c055018414df4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C224C2B2BFF7131E85256CC10083D4AD.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA2-560

## 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.

JStetw <9f 0f transportation - ,3fe&tral ^(nation (Abmimstratton uppkntental (Eeritftcate SA2-560 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 4 a 723 Lockheed 18 Ai r Installation of Warren McArthur chair Model 225 or 239 for Pilot and Co-Pilot in accordance with EAS Drawing No. 342549, Sheets 1 thru 3, dated 4/30/58, or later FAA approved revision.

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

23, 1958 28, 1958 ; 12/21/98; 8/31/00

•1/27/81; 5/28/82 Rev. 2 (Signature) S. Frances Cox Manager, Special Certification Office, Southwest Region (Title) ing Sl.QOQ, or luff 1 jon»nt not exceeding 3 yeecs, f>r FM Forn 6110-2110-66] Pag« 1 of 2 ThlJ certificate jsjy be trjnjferi-ed In accordance wj tft

INSTRUCTIONS1 The transfer endorsement Ix-low may be used to notify the appropriate FAA Regional Office of the transfer of this SupjilcmerUal Type Oriifirair.

The FAA will reissue thr rrriificalr in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

to (Name of transferee) (Address of transferee) umbf and tt'tet I (City, Xlalt, and from (Name of grantor) (Print or type) (Address of grantor) (Numbf and sfittt)

(t.'ity, Sfalt, and ZJP (ode) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5536**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/7b/2f/7b2f0c8b3d601a9d36f7cfb52acbc2208c196d612145f135b19c055018414df4)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.