# STC SH46NW

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Measurement Systems Intl Inc, United States
- Description: Installation of an electronic weighing system, for monitoring cargo hook weight, in accordance with Measurement Systems International, Inc., Installation drawing No. D00409, Rev. A, or Drawing D00471, Rev. IR.
- Applied: April 11, 1977
- Status date: April 28, 2004
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H6SW](https://openairdocs.org/tcds/H6SW)
- Certificate PDF: https://openairdocs.org/files/sha256/b7/f6/b7f6f4664d7f94213149b9e5efd8aaf91f5bb323543e55c7cf79b105d3adced9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F8AAE7161668C55286256E890063D901.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH46NW

## ADs that name it (0)

None.

## Approved models (2)

- Bell Helicopter Textron 214B ([TCDS H6SW](https://openairdocs.org/tcds/H6SW))
- Bell Helicopter Textron 214B-1 ([TCDS H6SW](https://openairdocs.org/tcds/H6SW))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

United States of America Department of Transportation_Federal Aviation Administration Supplemental Type Certificate Number SH46NW

This certificate, issued to Measurement Systems International, Inc.

14240 Interurban Avenue South Seattle, WA 98168 Part 29 of the Federal Aviation Regulations Dated February 1, 1965, including Amendments 29-1 through 29-16.

Original ProductType Certificate Number: H6SW Make: Bell Helicopter Textron Model: 214B, 214B-1, 214ST

Description of the Type Design Change: Installation of an electronic weighing system, for monitoring cargo hook weight, in accordance with Measurement Systems International, Inc., Installation drawing No. D00409, Rev. A, or Drawing D00471, Rev. IR.

Limitations and Conditions: Approval of this change in type design applies to the above model rotorcraft only. This approval should not be extended to other rotorcraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the relationship 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 rotorcraft. A copy of this certificate and the Rotorcraft Flight Manuel Supplement, dated April 19, 1977, or later FAA approved revision, must be maintained as part of the permanent records for the modified rotorcraft.

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application: April 11, 1977 Date reissued:

Date of issuance: June 10, 1977 Date amended: August 31, 1977; December 4, 1980;

April 28, 2004

(Signature)

Acting Manager, Seattle Aircraft Certification Office (Title)

## Every issue (1)

- April 28, 2004: Amended, Current. [certificate](https://openairdocs.org/files/sha256/b7/f6/b7f6f4664d7f94213149b9e5efd8aaf91f5bb323543e55c7cf79b105d3adced9)

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