# STC ST04788NY

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mid Canada Mod Center, Canada
- Description: Installation of the Terrain Awareness and Warning System
- Applied: September 14, 2021
- Status date: March 28, 2023
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A13NM](https://openairdocs.org/tcds/A13NM)
- Certificate PDF: https://openairdocs.org/files/sha256/da/ff/daff37a33178401bc1f47841e7085b11803d08fa95b5303657b4cabf87db5b89
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197416632820230331204101.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST04788NY

## 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.

IMPORT ST04788NY Mid Canada Mod Center 2450 Derry Road East, Hanger #9 Mississauga, Ontario Canada L5S 1B2 Part 25 Title 14 Code of Federal Regulations A13NM De Havilland Aircraft of Canada Limited (Bombardier) DHC-8-101/-102/-103/-106/-201/-202/-301/ -311/-315

1. Installation of the Terrain Awareness and Warning System must be in accordance with Avionics Design Services Ltd. Master Drawing List MDL12012 Revision J, Transport Canada Civil Aviation (TCCA) approved March 9, 2023 or later TCCA approved revision.

(See Description of Type Design Change Continued on Page 3 of 4)

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

(See Limitations and Conditions Continued on Page 3 of 4) September 14, 2021 March 28, 2023 Anthony E. Gallo Manager, International Validation Branch (AIR-730) Compliance & Airworthiness Division Aircraft Certification Service (AIR) 4

**IMPORT ST04788NY ST04788NY 4**

IMPORT ST04788NY Date of Issuance: March 28, 2023

Description of Type Design Change (continued):

2. Operation must be in accordance with Mid Canada Mod Center Flight Manual Supplement FMS12012-1 Revision D, TCCA approved March 8, 2023 or later TCCA approved revision.

3. Maintenance must be in accordance with TCCA accepted Mid Canada Mod Center Instructions for Continued Airworthiness ICA12012-1 Revision E, dated August 09, 2021, or later TCCA accepted revision.

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

4. Operate in accordance with the Limitations section of the flight manual supplement identified in the Description of Type Design Change of this STC.

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

Certification Basis:

Based on title 14 Code of Federal Regulations (CFR) §21.115 and §21.101, and the Federal Aviation Administration (FAA) policy for design changes that are identified as not significant in FAA Order 8110.48, the type certification basis for the modified De Havilland Aircraft of Canada Limited Models DHC-8-101/-102/-103/-106/-201/-202/ -301/-311/-315 is as follows:

a. The type certification basis for the De Havilland Aircraft of Canada Limited Models DHC-8-101/-102/-103/-106/-201/-202/-301/-311/-315 as shown on Type Certificate Data Sheet (TCDS) A13NM for parts not changed or not affected by the change.

(See Certification Basis Continued on Page 4 of 4) 3 4

IMPORT ST04788NY Date of Issuance: March 28, 2023

Certification Basis:

b. The type certification basis for the De Havilland Aircraft of Canada Limited Models DHC-8-101/-102/-103/-106/-201/-202/-301/-311/-315 as shown on TCDS A13NM for parts changed or affected by the change in addition to:

14 CFR Part 26 Amdt. 26-7 §26.11

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## Every issue (1)

- March 28, 2023: Issued, Current. [certificate](https://openairdocs.org/files/sha256/da/ff/daff37a33178401bc1f47841e7085b11803d08fa95b5303657b4cabf87db5b89)

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