# STC SH552NW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Smith Marvin, United States
- Description: Install cargo hook electronic scale.
- Status date: January 4, 1978
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A-802](https://openairdocs.org/tcds/A-802), [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9B5E6C41690306EE85256CC2005C331B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH552NW

## ADs that name it (0)

None.

## Approved models (5)

- Aeronca Aircraft Corporation 15AC ([TCDS A-802](https://openairdocs.org/tcds/A-802))
- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HE ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HM ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HS ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

---
From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.