# STC ST00069AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Acron Aviation Inc., United States
- Description: Installation of a Fairchild Digital or Sundstrand Universal expanded parameters digital flight data recorder
- Applied: September 11, 1992
- Status date: April 1, 2025
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/3a/0f/3a0fcd3f42a63c4b0a9828e3d453597fd0c932a43e7d7f7f316038a5df153841
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152370493720250805142642.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00069AT

## ADs that name it (0)

None.

## Approved models (22)

- The Boeing Company DC-9-11 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-12 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-13 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- 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-9-15F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-21 ([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-9-32 (VC-9C) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-32F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-32F (C-9A) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-32F (C-9B) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-33F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-34 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-34F ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-41 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-51 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-81 (MD-81) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-82 (MD-82) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-83 (MD-83) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company DC-9-87 (MD-87) ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

ST00069AT Acron Aviation, Inc.

5353 52nd Street South East Grand Rapids, MI 49512-9704 Part 4b the Civil Air Regulations A6WE The Boeing Company DC-9, All Series and USAF C-9, All Series Installation of a Fairchild Digital or Sundstrand Universal expanded parameters digital flight data recorder in accordance with Flight Systems Engineering Master Drawing List, MDL DC9-342400, Rev. A, dated February 10, 1992, or later FAA approved revisions.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will produce no adverse effect upon the airworthiness of that airplane. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

September 11, 1992 December 23, 1992 March 30, 1993 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 July 8, 2003; December 12, 2022; April 1, 2025

ST00069AT 2

## Every issue (2)

- April 1, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3a/0f/3a0fcd3f42a63c4b0a9828e3d453597fd0c932a43e7d7f7f316038a5df153841)
- December 12, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/55/5c/555ce6a0c780bccce06bfc1ed6484a3a32db77320bf8c36dcc21e4185e597747)

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