# STC SA1-574

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Walter Kidde & Co, Inc, United States
- Description: Nose wheel steering actuator assembly.
- Status date: August 16, 1966
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 7A1](https://openairdocs.org/tcds/7A1)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D8FD04E4205B8ABC85256CCB00601829.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1-574

## ADs that name it (1)

- [AD 63-17-02](https://openairdocs.org/ad/63-17-02): Nose Landing Gear Bolts · Maryland Air Industries F-27, F-27A, F-27B and 4 more. Effective Sep 13, 1963. Named in the applicability

## Approved models (1)

- Fairchild Industries Inc. F27 Series ([TCDS 7A1](https://openairdocs.org/tcds/7A1))

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