# STC SA5970NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: MK VI Ground Proximity Warning System installed and maintained in accordance with Honeywell Top Drawing No. 960-2177, Revision A, dated June 28, 1993, or later FAA Approved revision.
- Applied: April 26, 1993
- Status date: January 4, 2022
- Product: Aircraft, Small Airplane
- Certification basis: Part 3, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21, Part 21
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/0e/be/0ebe0ba9a5681087ed533b654765931e54fb65bbd97cbdde235377a30327fcc2
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197866521220221206154928.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5970NM

## ADs that name it (0)

None.

## Approved models (1)

- Viking Air Limited DHC-6-300 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))

## 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 ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA5970NM Honeywell International Inc.

21111 N 19th Ave Phoenix, Arizona 85027 Part 3 Civil Air Regulations A9EA Viking Air Limited DHC-6-300 MK VI Ground Proximity Warning System installed and maintained in accordance with Honeywell Top Drawing No. 960-2177, Revision A, dated June 28, 1993, or later FAA Approved revision.

Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes In type design, will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate and FAA Approved Flight Manual Supplement, dated July 2, 1993, must be maintained as part of the permanent records for the modified aircraft.

April 26, 1993 November 24, 1993; January 4, 2022 July 2, 1993 September 27, 2001 For Acting Manager, Seattle ACO Branch 2

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___ United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number:

SA5970NM 2

## Every issue (3)

- January 4, 2022: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/0e/be/0ebe0ba9a5681087ed533b654765931e54fb65bbd97cbdde235377a30327fcc2)
- January 4, 2022: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7d/69/7d691f03b2da3db0da4bb4b9391c30f20c23a8526067ac8ebbc83378c6443e48)
- September 27, 2001: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/56/97/56974de23eef595c39419c419d14d93167cc41d7701e8fa0a78c6d0c7d5d3e8c)

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