# STC ST103CH

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: ABX Air Incorporated, United States
- Description: Installation of a Dual 20 Joule ignition system.
- Applied: June 24, 1993
- Status date: July 29, 2014
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/30/0f/300f9e213737cf983caa1e68e96dd6ade3d8f679511313fb52ab2382ff0931c5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F6864871B25A40BE86257D2A00463DF8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST103CH

## ADs that name it (0)

None.

## Approved models (7)

- McDonnell Douglas Corporation DC-9-15 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-31 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-32 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-32F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-33F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-41 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- McDonnell Douglas Corporation DC-9-51 ([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)

- July 29, 2014: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/30/0f/300f9e213737cf983caa1e68e96dd6ade3d8f679511313fb52ab2382ff0931c5)

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