# STC ST12507IB

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Q.C.M. DESIGN GmbH, Switzerland
- Description: Iridium Antenna relocation
- Applied: August 6, 2026
- Status date: September 21, 2026
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Foreign approvals: EASA STC 10089626
- Data sheets: [TCDS T00003NY](https://openairdocs.org/tcds/T00003NY)
- Certificate PDF: https://openairdocs.org/files/sha256/a1/0c/a10c7a8502fe189ff5fac9ca2d3da9c59f4298ee81c711b43397960371e2db7d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157742396220260923192506.0001
- DRS record last changed: September 23, 2026
- Page: https://openairdocs.org/stc/ST12507IB

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier Inc. BD-700-1A10 ([TCDS T00003NY](https://openairdocs.org/tcds/T00003NY))
- Bombardier Inc. BD-700-1A11 ([TCDS T00003NY](https://openairdocs.org/tcds/T00003NY))

## 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 ST12507IB Q.C.M. DESIGN GmbH EICHHOLZWEG 20-24 3123 BELP

SWITZERLAND Part 25 Title 14 Code of Federal Regulations T00003NY Bombardier Inc.

BD-700-1A10, BD-700-1A11

1. This STC is applicable to all serial numbers for the applicable models.

(See Limitations and Conditions Continued on Page 3 of 3) 08/06/2026 09/21/2026 John Yoo Manager, International Validation Branch Compliance & Airworthiness Division Aircraft Certification Service 3

1. Iridium Antenna relocation in accordance with the applicable effective documents listed in Q.C.M. Design GmbH Certification Report Document Number BBD7-QCM23-031, Initial Issue, Revision 0, dated April 7, 2026, or later EASA approved revisions

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

2. Maintenance in accordance with Q.C.M. Design GmbH Instructions for Continued Airworthiness Document Number BBD7-QCM23-031-M1-ICA, Initial Issue, Revision 0, dated April 3, 2026, or later EASA accepted revision.

2. Embodiment of FAA STC ST12270IB is a prerequisite for the installation of this STC.

3. Maintenance must be in accordance with the Airworthiness Limitation Section of the Instructions for Continued Airworthiness listed in the Description of Type Design section of this STC.

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

5. 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.

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

## Every issue (1)

- September 21, 2026: Issued, Current. [certificate](https://openairdocs.org/files/sha256/a1/0c/a10c7a8502fe189ff5fac9ca2d3da9c59f4298ee81c711b43397960371e2db7d)

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