# STC SA3-677

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Toman Aircraft Service, United States
- Description: Two Delco motors with two Pesco AN 4100, 200 g.p.h. fuel boost pumps.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-765](https://openairdocs.org/tcds/A-765)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/1BA678BCFE109202862570CB005A01A4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3-677

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 18 Series ([TCDS A-765](https://openairdocs.org/tcds/A-765))

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