# STC ST04667NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Field Aviation East Limited, Canada
- Description: Installation of the Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) Override Control
- Applied: April 5, 2021
- Status date: October 4, 2021
- Product: Aircraft, Large Airplane
- Certification basis: Part 21, Part 25
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- Certificate PDF: https://openairdocs.org/files/sha256/30/a8/30a8e45e4795dc1bd7a5e767ecb0cff0333b36d767a7885126c07a346b3c429b
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6454909E5D7B11958625876700553AD8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST04667NY

## ADs that name it (0)

None.

## Approved models (9)

- De Havilland Aircraft of Canada Limited DHC-8-101 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-102 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-103 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-106 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-201 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-202 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-301 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-311 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))
- De Havilland Aircraft of Canada Limited DHC-8-315 ([TCDS A13NM](https://openairdocs.org/tcds/A13NM))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate This certificate issued to:

IMPORT ST04667NY Field Aviation East Limited.

2450 Derry Road East, Hangar 2 Mississauga, Ontario, Canada L5S 1B2

Title 14 Code of Federal Regulations Original Product Type Certificate Number:

A13NM Model:

De Havilland Aircaft of Canada Limited DHC-8-100 Series, DHC-8-200 Series, DHC-8-300 Series

1. Installation of the Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) Override Control must be in accordance with Field Aviation East Limited (FAEL) Master Drawing and Data List DDL-1126 Revision E, Transport Canada Civil Aviation (TCCA) approved on September 17, 2021, or later TCCA approved revisions.

(See Description of Type Design Change Continued on Page 3 of 3) Limitations and Conditions:

1. The installer must determine whether this design change is compatible with previously approved modifications.

(See Limitations and Conditions Continued on Page 3 of 3)

April 5, 2021 October 4, 2021 By Direction of the Administrator Signature:

Timothy J. Hadsall Acting Manager, New York ACO Branch Compliance & Airworthiness Division Aircraft Certification Service

**IMPORT ST04667NY**

IMPORT ST04667NY Date of Issuance: October 4, 2021

Description of Type Design Change (continued):

2. Operation of the Honeywell MK VIII (EGPWS) Override Control must be in accordance with FAEL Flight Manual Supplement FMS 20070 Revision B, TCCA approved on September 20, 2004, or later TCCA approved revisions.

3. Maintenance of the Honeywell MK VIII (EGPWS) Override Control must be in accordance with FAEL Maintenance Manual Supplement MMS20106 Revision C, dated September 1, 2021, or later TCCA accepted revisions.

Limitations and Conditions (continued)

2. 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.

3. The "Limitations" sections of the FAEL Flight Manual Supplement FMS 20070 Revision B, TCCA approved on September 20, 2004, or later TCCA approved revisions, is applicable as part of this installation.

4. As a prerequisite to this modification the Honeywell MK VIII EGPWS must be installed as part of a FAEL retrofit in accordance with FAA STC ST01646NY or installed by Bombardier or De Havilland Aircaft of Canada Limited as part of a new aircraft manufacture.

5. This retrofit installation is applicable only to aircraft equipped for Maritime Patrol or Maritime Survey operations.

6. This STC is applicable to all serial numbers for these Make-Models.

Note: This STC does not require a revised Electrical Wiring Interconnection System (EWIS) Instructions for Continued Airworthiness (ICA).

----------END----------

## Every issue (1)

- October 4, 2021: Issued, Current. [certificate](https://openairdocs.org/files/sha256/30/a8/30a8e45e4795dc1bd7a5e767ecb0cff0333b36d767a7885126c07a346b3c429b)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
