# STC SA1491SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Advanced Technology & Research Inc, United States
- Description: Installation of passenger cabin composite liner (shell).
- Status date: April 5, 1990
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A21EA](https://openairdocs.org/tcds/A21EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F1D8086B0E33F4A685256CC1008211EE.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1491SO

## ADs that name it (0)

None.

## Approved models (3)

- Bombardier Inc. CL-600-1A11 (CL-600) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2A12 (CL-601) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))
- Bombardier Inc. CL-600-2B16 (CL-601-3A) ([TCDS A21EA](https://openairdocs.org/tcds/A21EA))

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