Robinson R44 Clipper — Other Documents

This document is an accident investigation report by the Australian Transport Safety Bureau (ATSB) concerning the in-flight break-up of a Robinson R44 Raven I helicopter, registered VH-NBY, on July 4, 2020. The report details the circumstances leading to the accident, findings from the investigation, and safety messages aimed at preventing similar occurrences in the future. It highlights the importance of addressing unusual vibrations in helicopter operations and emphasizes the need for pilots to adhere to operating procedures, particularly in emergency situations. The report serves as a critical resource for pilots, maintenance personnel, and aviation safety stakeholders, providing insights into the factors contributing to the accident and recommendations for improved safety practices.

• The Robinson R44 Raven I helicopter involved in the accident was registered as VH-NBY.
• The accident occurred on July 4, 2020, shortly after take-off from Broome, Western Australia.
• The pilot and three passengers were on board; two were fatally injured, and two others were seriously injured.
• Unusual vibrations in the tail rotor pedals were reported prior to the accident, indicating potential mechanical issues.
• The pilot did not follow emergency procedures for tail rotor vibrations, which may have contributed to the loss of control.