STC SH4793NM

Supplemental type certificate · Onboard Systems International

Holder
Onboard Systems International · United States
Status
Current · Reissued
Status date
October 7, 2021
Applied
September 15, 1989
Product
Aircraft · Rotorcraft
Certification basis
Part 21
Data sheet
TCDSH9SW

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Fabrication of Onboard Systems Model E-73 Cargo Hook Load Cell System

What the certificate says

From the PDF’s text layer, without the form’s printed wording. Layout and order may 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 ___

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 3

MakeModelData sheet
Bell Helicopter Textron A Division of Textron Canada222H9SW
Bell Helicopter Textron A Division of Textron Canada222BH9SW
Bell Helicopter Textron A Division of Textron Canada222UH9SW

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
October 7, 2021Reissued, currentCertificate
January 20, 1990Issued, earlier issueCertificate