# STC SA12280IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Unity Aviation Canada Ltd., Canada
- Description: Installation of Wing and Outboard Fore Flap Trailing Edge Assemblies
- Applied: October 1, 2025
- Status date: January 22, 2026
- Product: Aircraft, Small Airplane
- Foreign approvals: TCCA #SA07-122 @ Issue 2 06/18/2013
- Data sheets: [TCDS A9EA](https://openairdocs.org/tcds/A9EA)
- Certificate PDF: https://openairdocs.org/files/sha256/1c/8a/1c8abb59f976c1b1c3bf8bd466e27eec53b05f8404300d5f2fa7db46ce38259e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160351172620260130152716.0001
- DRS record last changed: January 30, 2026
- Page: https://openairdocs.org/stc/SA12280IB

## ADs that name it (0)

None.

## Approved models (3)

- De Havilland Aircraft of Canada Limited DHC-6-100 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- De Havilland Aircraft of Canada Limited DHC-6-200 ([TCDS A9EA](https://openairdocs.org/tcds/A9EA))
- De Havilland Aircraft of Canada 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.

291023 Township Road 270 SE Airdrie, Alberta Canada T4A 2W1 Part 3 the Civil Air Regulations A9EA De Havilland Aircraft of Canada Limited DHC-6-100, DHC-6-200, DHC-6-300

1. 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.

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

3. This STC is applicable to all serial numbers for this Make-Models-Series.

10/01/2025 01/22/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

1. Installation of Wing and Outboard Fore Flap Trailing Edge Assemblies must be in accordance with Unity Aviation Canada Ltd. Modification Data Summary 050405-MDS-0l, Revision 1, dated June 10, 2013, or later Transport Canada Civil Aviation (TCCA) approved revision.

2. Existing maintenance instructions for the DHC-6 are applicable to this installation.

## Every issue (1)

- January 22, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/1c/8a/1c8abb59f976c1b1c3bf8bd466e27eec53b05f8404300d5f2fa7db46ce38259e)

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