Robinson R44 Raven II — Supplemental Type Certificate

This document is a Supplemental Type Certificate (STC) issued by the Australian Government's Civil Aviation Safety Authority for the Robinson R44 and R44 II helicopters. It certifies a change in the type design for these models, specifically the dual installation of an Onboard Systems International Cargo Hook Kit for Human External Cargo operations. The STC outlines the conditions and limitations under which this modification is approved, ensuring compliance with airworthiness requirements. The document also references specific engineering orders and instructions for continued airworthiness, providing a framework for operators to follow when implementing this modification.

• The STC is for Robinson R44 and R44 II helicopters.
• It certifies the installation of a dual cargo hook kit for external cargo operations.
• The modification is approved for helicopters with 28V systems or a specific conversion kit.
• Installers must ensure that the modification does not affect airworthiness with other modifications.
• The certification is based on 14 CFR Part 27 regulations.