# STC SA461NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: MSI, United States
- Description: Installation of Sperry Model MLZ-900 microwave landing system.
- Status date: April 20, 1987
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C43260FDF15E4DB585256CC2000E3D9B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA461NE

## ADs that name it (0)

None.

## Approved models (1)

- The Cessna Aircraft Company S550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE))

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