# STC SA533SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Lawrence H Bradway, United States
- Description: Installation of hull booster plates, booster fouler and stiffener plate, S/N 246 and subsequent.
- Status date: May 22, 1973
- 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/B72A3A00A104FD2685256CCB006018F8.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA533SO

## ADs that name it (0)

None.

## Approved models (4)

- 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))
- REVO Incorporated Lake LA-4P ([TCDS 1A13](https://openairdocs.org/tcds/1A13))

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