# STC ST00147DE

- Type: Supplemental type certificate
- Status: Current, Reissued and Amended
- Holder: Northrop Grumman Corporation 
California Microwave Systems, United States
- Description: Increase maximum ramp and takeoff weights. (DHC-7-103 S/N 3 AND SUBS)
- Applied: April 21, 1994
- 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/11A10B3F31603CC886256D7300618EA4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00147DE

## ADs that name it (0)

None.

## Approved models (2)

- Bombardier-Rotax GmbH DHC-7-102 ([TCDS A20EA](https://openairdocs.org/tcds/A20EA))
- Bombardier-Rotax GmbH DHC-7-103 ([TCDS A20EA](https://openairdocs.org/tcds/A20EA))

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