# STC ST00042AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Northrop Grumman Corporation 
California Microwave Systems, United States
- Description: Installation of dual auxiliary equipment rack assemblies
- Applied: March 13, 1992
- Status date: April 16, 2003
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A20EA](https://openairdocs.org/tcds/A20EA)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9EDE63EC6563087186256D78005719C8.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00042AT

## ADs that name it (0)

None.

## Approved models (1)

- Bombardier-Rotax GmbH DHC-7-103 ([TCDS A20EA](https://openairdocs.org/tcds/A20EA))

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