# STC ST111CH

- Type: Supplemental type certificate
- Status: Current, Surrendered
- Holder: ABX Air Incorporated, United States
- Description: Incorporate one hydraulic pump inoperative data.
- Applied: July 9, 1993
- Status date: December 2, 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/fb/eb/fbebbf6df11b77ba831a02b5d41ca730819d5952c1d242c644fec51ddd72a513
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/019B96948DB7815786257DC600760C90.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST111CH

## ADs that name it (0)

None.

## Approved models (6)

- The Boeing Company DC-9-14 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-15 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-31 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-32 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-33F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-41 ([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)

- December 2, 2014: Surrendered, Current. [certificate](https://openairdocs.org/files/sha256/fb/eb/fbebbf6df11b77ba831a02b5d41ca730819d5952c1d242c644fec51ddd72a513)

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