# STC SH278NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Measurement Systems Intl, United States
- Description: Installation of an electronic weighing system.
- Applied: December 16, 1974
- Status date: December 4, 1980
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H2SW](https://openairdocs.org/tcds/H2SW)
- Certificate PDF: https://openairdocs.org/files/sha256/f5/cc/f5cc4acb7e1a5851211c891cad5a324beb31f4e8b8efcedbe22d747d3adbc851
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2250F2AFCE13A1FD86257ADA005BC58B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH278NW

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron (Canada) 206A ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))
- Bell Helicopter Textron (Canada) 206B ([TCDS H2SW](https://openairdocs.org/tcds/H2SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SH278NH This certificate issued to: Measurement Systems International, Inc.

Part 6 of the Civil Air Rregulations., dated December 20, 1956.

Original Product -TypeGertificate Number: H2SW Make: Bell Model: 206A and 206B niting garge babien lunge: Installation of an electronic weighing system (for weight in accordance with Measurement Systems International Inc., Installation Drawing No. D00318, Sheets 1 and 2, or Drawing No. D00470.

Limitations and Conditions: Approval of this change in type design applies basically to the above model helicopter only. This approval should not be extended to other helicopters of this model on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that helicopter. A copy of this Certificate and FAA Approved Rotorcraft Flight Manual Supplement shall be maintained as part of the modified helicopters' permanent records.

## Every issue (1)

- December 4, 1980: Amended, Current. [certificate](https://openairdocs.org/files/sha256/f5/cc/f5cc4acb7e1a5851211c891cad5a324beb31f4e8b8efcedbe22d747d3adbc851)

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