# STC SA2589NM

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Amphibians West, United States
- Description: Installation of pneumatic door spring system.
- Status date: August 22, 1985
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A13](https://openairdocs.org/tcds/1A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/48A8F91DB509EFBB85256CC200016020.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2589NM

## ADs that name it (0)

None.

## Approved models (5)

- REVO Incorporated Colonial C-1 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))
- REVO Incorporated Colonial C-2 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))
- REVO Incorporated Lake LA-4 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))
- REVO Incorporated Lake LA-4-200 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))
- REVO Incorporated Lake LA-4A ([TCDS 1A13](https://openairdocs.org/tcds/1A13))

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