# STC SA3973SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of HF data link system. Reissued and amended 11/24/93.
- Applied: June 24, 1992
- Status date: January 12, 2022
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A1NM](https://openairdocs.org/tcds/A1NM)
- Certificate PDF: https://openairdocs.org/files/sha256/ff/1a/ff1a91e0363f780d86dba9a065b89bbd5d40b816fb800cf01c2ff7d0ba3c32a2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F452680BBC2CF8D7862587E40041FAAD.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3973SW-D

## ADs that name it (0)

None.

## Approved models (2)

- The Boeing Company 767-200 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM))
- The Boeing Company 767-300 Series ([TCDS A1NM](https://openairdocs.org/tcds/A1NM))

## 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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___

## Every issue (1)

- January 12, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ff/1a/ff1a91e0363f780d86dba9a065b89bbd5d40b816fb800cf01c2ff7d0ba3c32a2)

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