# STC ST12070MC

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Sierra Nevada Company LLC, United States
- Description: Installation of non-essential, not required communications equipment
- Applied: March 18, 2024
- Status date: September 29, 2025
- Product: Aircraft, Large Airplane
- Certification basis: Part 25
- Data sheets: [TCDS A45NM](https://openairdocs.org/tcds/A45NM)
- Certificate PDF: https://openairdocs.org/files/sha256/81/b5/81b5f3b5c9b48b5927772cbb1553da7a38911731395c1ad7a4f518126b076c13
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140076638020251120175428.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST12070MC

## ADs that name it (0)

None.

## Approved models (1)

- Deutsche Aircraft GmbH 328-100 ([TCDS A45NM](https://openairdocs.org/tcds/A45NM))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- September 29, 2025: Issued, Current. [certificate](https://openairdocs.org/files/sha256/81/b5/81b5f3b5c9b48b5927772cbb1553da7a38911731395c1ad7a4f518126b076c13)

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