# STC ST09181AC

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: The Boeing Company, United States
- Description: Installation of main landing gear spotlights
- Applied: August 28, 1995
- Status date: October 20, 2025
- Product: Aircraft, Large Airplane
- Data sheets: [TCDS A6WE](https://openairdocs.org/tcds/A6WE)
- Certificate PDF: https://openairdocs.org/files/sha256/de/0b/de0b3d52570daf8a34a3c565339ae0de6d557273598b7e3cd7044901842f157b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID148474715720260226160309.0001
- DRS record last changed: February 26, 2026
- Page: https://openairdocs.org/stc/ST09181AC

## ADs that name it (0)

None.

## Approved models (18)

- 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 MD-88 ([TCDS A6WE](https://openairdocs.org/tcds/A6WE))
- The Boeing Company MD-90-30 ([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.

ST09181AC The Boeing Company 1215 North 2200 West Salt Lake City, UT 84116 Part 4b the Civil Air Regulations A6WE The Boeing Company DC-9 series, MD-88, MD-90-30 The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

08/28/1995 01/31/2000 10/20/2025 02/15/1996 03/18/1996 for Paul Nguyen Manager, Central Certification Branch Compliance & Airworthiness Division Aircraft Certification Service 2 Installation of main landing gear spotlights in accordance with DeVore Aviation Drawing List 09000001, Rev. C dated January 18, 1996, or later FAA approved revision.

FAA 8110-2 ( 10/24) Page 2 of __

ST09181AC 10/20/2025 2

## Every issue (1)

- October 20, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/de/0b/de0b3d52570daf8a34a3c565339ae0de6d557273598b7e3cd7044901842f157b)

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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.