# STC SA4-239

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Engineering Modification Co, United States
- Description: Thompson TF2800 engine-driven fuel pump.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/EAA04B97CB3AC7ED862570CE006F8467.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4-239

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company 310 Series ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

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