# STC SA2912SO

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Delta Airlines Inc, United States
- Description: Installation of a Collins data link system.
- Applied: November 30, 2007
- Status date: July 9, 2008
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/52/7b/527b729e02a219e16846544fa390f54c012ef190f6bf1dec2aa67227236fb8a5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/12846E4E14E8EDC5862574C0006288D3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2912SO

## ADs that name it (0)

None.

## Approved models (1)

- McDonnell Douglas Corporation MD-11 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## What the certificate says

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

## Every issue (1)

- July 9, 2008: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/52/7b/527b729e02a219e16846544fa390f54c012ef190f6bf1dec2aa67227236fb8a5)

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