# STC SA1-431

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: H L Clark, United States
- Description: Rerouting of fuel lines and sub- stitution of Bendix 476087 fuel pump for original hand- operated emergency pump.
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-773](https://openairdocs.org/tcds/A-773)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E8D9BD3611B977CF85256CC10080DB4A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-431

## ADs that name it (0)

None.

## Approved models (1)

- Bellanca Aircraft Corporation 14-13-2 ([TCDS A-773](https://openairdocs.org/tcds/A-773))

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