# STC SA21RM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Combs Gates Denver Inc, United States
- Description: Installation of cabin divider.
- Applied: November 21, 1973
- Status date: December 5, 1973
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A10CE](https://openairdocs.org/tcds/A10CE), [TCDS A5CE](https://openairdocs.org/tcds/A5CE)
- Certificate PDF: https://openairdocs.org/files/sha256/91/37/91370e331e88eb5e7f69fe2a228172c86e7c79db98135eff45ff4eebbc6e3cab
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AA68C7B5D46DF90885256CC200015AF6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA21RM

## ADs that name it (0)

None.

## Approved models (9)

- Learjet Inc. Learjet 23 ([TCDS A5CE](https://openairdocs.org/tcds/A5CE))
- Learjet Inc. Learjet 24 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24A ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 24D ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25 ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25B ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))
- Learjet Inc. Learjet 25C ([TCDS A10CE](https://openairdocs.org/tcds/A10CE))

## What the certificate says

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

## Every issue (1)

- December 5, 1973: Issued, Current. [certificate](https://openairdocs.org/files/sha256/91/37/91370e331e88eb5e7f69fe2a228172c86e7c79db98135eff45ff4eebbc6e3cab)

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