# STC SA2509SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: RT Aerospace Corp, United States
- Description: Installation of structural provisions to allow a seat pitch of 28 inches between F.S. 839 to950E+13. (727 S/N 20675)
- Applied: November 18, 1989
- Status date: June 24, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3WE](https://openairdocs.org/tcds/A3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/76/e6/76e6dca854f779940d233bb10768dc7171451aa2e272a55d1e532bdf210aacd2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/BD85505B468A7DC7862574810068C178.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2509SO

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 727 ([TCDS A3WE](https://openairdocs.org/tcds/A3WE))

## 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: SA250950 This certificate issued to: R.T. Aerospace Corporation P.O. Box 170938 Hialeah, Florida 33017-0938 Jart Ab Regulations.

Original Product - TypoCerlificato Nurber:

don of seats requires separate approval which must provisions and crash worthiness. This approval is supporting data which is the basis for approval shall nemain in effect until sur rded, revoked, or a termination date is otherwise established by the SIdministrator of the Federate ation Ildministration. STC Surrender processed:

Date of Application: Dulercissued: Approval by: Male Can fore November 18, 1988 fin Taylor, ATL ACO Manager Latest issuance Date Amended: Make: 24 JUNE 2028 February 17, 1989 FEDERAL AVIATIO, Umold Xe spirection of the Oldr иски (Signature ) TOMINISTRATO Acting Manager, Atlanta Aircraft Certification Office (Title)

## Every issue (1)

- June 24, 2008: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/76/e6/76e6dca854f779940d233bb10768dc7171451aa2e272a55d1e532bdf210aacd2)

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