# STC SH5780NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Onboard Systems International, United States
- Description: Fabrication of Onboard Systems model E-46 cargo hook load weigh system.
- Applied: September 9, 1992
- Status date: October 7, 2021
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS 1H11](https://openairdocs.org/tcds/1H11)
- Certificate PDF: https://openairdocs.org/files/sha256/c3/dd/c3dd834167744cf1623adfc5e2213ccd40a3e3426f7a3cc9a4d6626918b2b7d0
- Approved model list and other attachments: [AML SH5780NM.pdf](https://openairdocs.org/files/sha256/38/fc/38fc1b5e9c033a7aaa8628307c6c2bf4e50b59c8a546ba7a4df191c26c1a2f39)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/643FC21221A949F8862587F20052A14B.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH5780NM

## ADs that name it (0)

None.

## Approved models (15)

- Sikorsky Aircraft Corporation S-58A ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58B ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58BT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58C ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58D ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58DT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58E ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58ET ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58F ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58FT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58G ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58H ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58HT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58J ([TCDS 1H11](https://openairdocs.org/tcds/1H11))
- Sikorsky Aircraft Corporation S-58JT ([TCDS 1H11](https://openairdocs.org/tcds/1H11))

## 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 ___

### AML SH5780NM.pdf

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

October 13, 1992 AML AMENDMENT DATE NC REM SUPPLEMENT NO. AND DATE October 13, 1992 Issue Date:

FAA APPROVED MODEL ' - (AML) NO. SH5780NM Fon ONBORAD SYSTEMS FAA APPROVED INSTALLATION CERTIFICATION BASIS I REVISION NO FOR NUMBER AND DATE ALTERATION ¡ CAR 6, dated January 15, ¡Onboard # | September 1951, and amendment 6-1|120-035-00 10, 1992 through 6-6 (also see TC Data Sheet 1H11) Page 1 of 1 ORIGINAL TYPE CERTIFICATE NUMBER 1H11 Manager, Special Certification Branch Seattle Aircraft Certification Office AIRCRAFT MODEL S-58A S-58B S-58C S-58D [S-58E S-58F S- 58H AIRCRAFT MAKE ITEM I Sikorsky S- 58G S- 58J S- 58BT S- 58DT S- 58ET S- 58FT S- 58HT S- 58JT FAA Approved: Date: October 13, 1992

## Every issue (2)

- October 7, 2021: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c3/dd/c3dd834167744cf1623adfc5e2213ccd40a3e3426f7a3cc9a4d6626918b2b7d0), [AML SH5780NM.pdf](https://openairdocs.org/files/sha256/38/fc/38fc1b5e9c033a7aaa8628307c6c2bf4e50b59c8a546ba7a4df191c26c1a2f39)
- October 13, 1992: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/69/fe/69fee7d3821c9db3538d95a1252fece1089a8c489664038cfe5443f262492ee0), [AML SH5780NM.pdf](https://openairdocs.org/files/sha256/38/fc/38fc1b5e9c033a7aaa8628307c6c2bf4e50b59c8a546ba7a4df191c26c1a2f39)

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