# STC ST09850SC

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aviation Devices & Electronic Components LLC, United States
- Description: Installation of left and right wing trailing edge interconnect wire harness system.
- Applied: October 26, 1999
- Status date: May 10, 2001
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/10/17/1017cd7dc84a6bfd5b917ca4a18ef6a5ef4450c12fbf8a47b4328065152342a4
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/45264965AD9F414585256CC300035ECC.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST09850SC

## ADs that name it (0)

None.

## Approved models (5)

- McDonnell Douglas Corporation DC-9-81 (MD-81) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-87 (MD-87) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation MD-88 ([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)

- May 10, 2001: Amended, Current. [certificate](https://openairdocs.org/files/sha256/10/17/1017cd7dc84a6bfd5b917ca4a18ef6a5ef4450c12fbf8a47b4328065152342a4)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.