# STC ST12429IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: 8631379 CANADA INC., Canada
- Description: Reduce passenger accommodation from 50 seats to 30 seats
- Applied: June 15, 2026
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Foreign approvals: TCCA STC #Q-LSA26-012/D @ Issue 2 06/15/2026
- Data sheets: [TCDS A21EA-1](https://openairdocs.org/tcds/A21EA-1)
- Certificate PDF: https://openairdocs.org/files/sha256/ae/97/ae97cb506758ecfcccc45559418a7f319e2d8092299e497765c5264d300903fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135045093020260701185418.0001
- DRS record last changed: July 1, 2026
- Page: https://openairdocs.org/stc/ST12429IB

## ADs that name it (0)

None.

## Approved models (1)

- MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100) ([TCDS A21EA-1](https://openairdocs.org/tcds/A21EA-1))

## 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.

701 West Georgia Street; Suite 1500 Vancouver, British Columbia Canada V7Y 1C6 Part 25 Title 14, Code of Federal Regulations A21EA-1 MHI RJ Aviation ULC CL-600-2B19 (Regional Jet Series 100)

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.

(See continuation sheet 3) 06/15/2026 07/01/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

1. Reduce passenger accommodation from 50 seats to 30 seats modification and installation must be in accordance with Can-Am Aerospace Master Drawing List 26-25-02-003, Revision NC, dated June 12, 2026, or later Transport Canada Civil Aviation (TCCA) approved revision.

2. Maintenance must be in accordance with Can-Am Aerospace Instructions for Continued Airworthiness 26-25-02-004, Revision NC, dated June 12, 2026, or later TCCA accepted revision.

3. This STC is applicable to the following serial numbers for this Make-Model:

7694, 7869, 8020, 7683, 7768, 8040, 7847, 7877, 7980, 8000, 8001, 7783, 7908, 7942, 8019, 7974, 7976, 7986, 8026, 7963, 7978, 7979, 7983, 7985, 7987, 7988, 7870, 7900, and 7849.

----------END---------- 3 3

## Every issue (1)

- Undated: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ae/97/ae97cb506758ecfcccc45559418a7f319e2d8092299e497765c5264d300903fd)

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