Aviation safety investigations & reports

Depressurisation event involving a Cessna 441, VH-LBY, near Broome, Western Australia, on 22 July 2020

Investigation number:
Status: Active
Investigation in progress


The ATSB is investigating a depressurisation event involving a Cessna 441, VH-LBY, near Broome, Western Australia, on 22 July 2020.

During cruise, the crew heard a loud noise and the cabin depressurised. The crew and passengers donned oxygen masks and an emergency descent to 10,000 ft was conducted.

The evidence collection phase of the investigation will include interviewing the pilots and passengers, reviewing the aircraft damage, operational, maintenance and airworthiness data.

Should any safety critical information be discovered at any time during the investigation, the ATSB will immediately notify operators and regulators so appropriate and timely safety action can be taken.

A final report will be published at the conclusion of the investigation.

General details
Date: 22 July 2020   Investigation status: Active  
Time: 0933 WST   Investigation level: Short - click for an explanation of investigation levels  
Location   (show map): near Broome Airport   Investigation phase: Examination and analysis  
State: Western Australia   Occurrence type: Air/pressurisation  
  Occurrence category: Serious Incident  
Report status: Pending   Highest injury level: None  
Anticipated completion: 3rd Quarter 2021    

Aircraft details

Aircraft details
Aircraft manufacturer Cessna Aircraft Company  
Aircraft model 441  
Aircraft registration VH-LBY  
Serial number 4410023  
Operator Skippers Aviation  
Type of operation Charter  
Sector Turboprop  
Damage to aircraft Nil  
Departure point Broome, Western Australia  
Destination Browns Range, Western Australia  
Last update 15 October 2020