# STC SA3985SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: American Airlines Inc, United States
- Description: Removal of Litton LTN-311 Omega/VLF Navigation Systems (ONS) and installation of Dual Honeywell/Trimble HT9100 Global Navigation System (GNS) Flight Management Systems (GFMS).
- Applied: July 2, 1996
- Status date: October 9, 1996
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22WE](https://openairdocs.org/tcds/A22WE)
- Certificate PDF: https://openairdocs.org/files/sha256/3a/a1/3aa18ae8f5cfa45c9dbf34837fe253eaf92728346446b1f4c4a9af2d40e12225
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A3817F4670EB055985256CC2000C5C47.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3985SW-D

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company DC-10-10 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))
- The Boeing Company DC-10-30 ([TCDS A22WE](https://openairdocs.org/tcds/A22WE))

## 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.

Wrtttd £tut> of aratrica Bepartmcnt of ^transportation—federal Stoiation administration Supplemental ICgpe Certificate <yiu<m<vev SA 3985 SW-D American Airlines, Inc.

P. O. Box 582809, MD 208 Tulsa, Oklahoma 74158-2809 vJw<fy/wdefajpM^>^J&&^t>&cwtvwfirfidu^ 25 A22WE McDonnell Douglas DC-10-10, DC-10-30 Removal of Lkton LTN-311 Omega/VLF Navigation Systems (ONS) and installation of Dual Honeywell/Trimble HT9100 Global Navigation System (GNS) Flight Management Systems (GFMS) in accordance with American Airlines Engineering Change Order R4574XX, dated August 13, 1996, and one prototype revision approval form 7721-5, dated October 9, 1996, or later DAS IS W approved revision.

Federal Aviation Gj This approval should not be incorporated in any aircraft of this specific model until compatibility of this modification with other previously approved modifications has been determined by the installer.

Supplement 8 to Airplane Flight Manual (AFM)MDC-J1010 for McDonnell Douglas DC-10-10 or Supplement 9 to AFM MDC-J5830 for DC-10-30 With Dual Honeywell/Trimble HT9100 GNS Right Management Systems, dated October 9,1996 is required.

i&-. foe l-aJilfe-rJafifi*<'va/AAa//,ft>riaj',n,*ns^dfl!ef/MV»/*£* July 2, 1996 October 9, 1996 DASlSWCoordinklor (Title) ( • •"» /

FAA fotM 8110-2(10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and street) (City, State, and <7/> code) from (Name of grantor) (Print or type) (Address of grantor) (Number and street) (City, State, and %IP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- October 9, 1996: Issued, Current. [certificate](https://openairdocs.org/files/sha256/3a/a1/3aa18ae8f5cfa45c9dbf34837fe253eaf92728346446b1f4c4a9af2d40e12225)

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