# STC SA277EA

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Norton Company, United States
- Description: Installation of Chamberlain 2090K-B radome kit for Bendix 100 or RDR-110 radar systems with transmitter/receiver unit and 12-inch antenna.
- Status date: March 11, 1970
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/37C3D695689B19C385256CC20008C8F1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA277EA

## ADs that name it (0)

None.

## Approved models (1)

- Raytheon Aircraft Company 65 Series ([TCDS 3A20](https://openairdocs.org/tcds/3A20))

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