# STC SH4904NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Onboard Systems, United States
- Description: Fabrication, installation, and inspection of onboard systems model E-53 cargo hook load cell system.
- Applied: September 15, 1989
- Status date: October 7, 2021
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H4EU](https://openairdocs.org/tcds/H4EU)
- Certificate PDF: https://openairdocs.org/files/sha256/57/21/57212f0b3989ff96624ad1e201f88b0a3fa4bd1ae5e70cb96772ad9360f6584e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/36B6F0C7E01F117F862587EA0064C6D9.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH4904NM

## ADs that name it (0)

None.

## Approved models (5)

- Airbus Helicopters AS332C1 ([TCDS H4EU](https://openairdocs.org/tcds/H4EU))
- Airbus Helicopters AS332L1 ([TCDS H4EU](https://openairdocs.org/tcds/H4EU))
- Eurocopter France AS332C ([TCDS H4EU](https://openairdocs.org/tcds/H4EU))
- Eurocopter France AS332L ([TCDS H4EU](https://openairdocs.org/tcds/H4EU))
- Eurocopter France SA330J ([TCDS H4EU](https://openairdocs.org/tcds/H4EU))

## 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.

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 1 of ___

FAA Form 8110-2 (11/20) SUPERSEDES PREVIOUS EDITION Page 2 of ___

## Every issue (3)

- October 7, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/57/21/57212f0b3989ff96624ad1e201f88b0a3fa4bd1ae5e70cb96772ad9360f6584e)
- June 6, 2018: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/a0/6e/a06e7350de3ac2a81a35f05899eecce2edb41645ccde523960b936101f9b951b)
- March 3, 1993: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/8d/be/8dbe6872cfdbd18ce97721c52448c7f2365eaf7b0e4103858904ea5190fae383)

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