# STC SA1554WE

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Cal Aero Industries Inc, United States
- Description: Installation of two AiResearch TPE331 series engines and increase in fuselage length.
- Status date: January 1, 1960
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-807](https://openairdocs.org/tcds/A-807)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/66298C03C585A073862570C000749719.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA1554WE

## ADs that name it (1)

- [AD 70-23-02](https://openairdocs.org/ad/70-23-02): Wing Lower Main Spar Cap · Two AiResearch TPE331 series engines and increase in fuselage… (Cal Aero Industries STC SA1554WE or SA1747WE). Effective Jul 3, 1973. Named in the applicability

## Approved models (1)

- The de Havilland Aircraft Co. Ltd (England) DH 104 Dove Series ([TCDS A-807](https://openairdocs.org/tcds/A-807))

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