# STC ST00086AT

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: Delta Airlines Inc, United States
- Description: Installation of AlliedSignal TCAS II.
- Applied: November 19, 1992
- 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/sha256/22/b6/22b6fa0a05eedec48ba6081d06c34efb4fd8effdad2e63142d999971d1157dcf
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/684103B15B7A81EE862574B8006D4F68.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00086AT

## 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/sha256/22/b6/22b6fa0a05eedec48ba6081d06c34efb4fd8effdad2e63142d999971d1157dcf)

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