# STC SA418NE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: MSI, United States
- Description: Installation of Sperry Model MLZ-900, microwave landing system.
- Status date: July 27, 1989
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20SO](https://openairdocs.org/tcds/A20SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CE5BE5055E750EC685256CC2000E3A3F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA418NE

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-31-350 ([TCDS A20SO](https://openairdocs.org/tcds/A20SO))

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