# STC SA2988SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: RT Aerospace Corp, United States
- Description: Installation of interior seat reconfiguration.
- Applied: April 26, 1991
- Status date: June 24, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/22/cd/22cd94911f578c2d385e86c91a5fcde1a500edb44c034f743c44afddbbbdc5fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DB9369938CA34C5D86257480007BB6D6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2988SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation DC-9-87 (MD-87) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- June 24, 2008: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/22/cd/22cd94911f578c2d385e86c91a5fcde1a500edb44c034f743c44afddbbbdc5fd)

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