Aviation safety investigations & reports

Rotor malfunction involving Eurocopter Deutschland BO105 CBS-5, registration VH-NVH, at Archerfield Aerodrome, QLD on 19 August 2021

Investigation number:
Status: Active
Investigation in progress


The ATSB has commenced a transport safety investigation into a fractured rotor blade on a Eurocopter Deutschland BO105 CBS-5, registration VH-NVH, near Archerfield Aerodrome, Queensland, on 19 August 2021.

After take-off, the crew detected abnormal airframe vibration and returned the aircraft to Archerfield. The post-flight inspection revealed a crack in one of the main rotor blades.

The evidence collection phase of the investigation will include examination of the rotor blade, a review and examination of maintenance records and the gathering of any other relevant evidence. A report will be published at the conclusion of the investigation.

Should a critical safety issue be identified during the course of the investigation, the ATSB will immediately notify relevant parties, so that appropriate safety action can be taken.

General details
Date: 19 August 2021   Investigation status: Active  
Time: 0400 (AEST)   Investigation level: Short - click for an explanation of investigation levels  
Location   (show map): Archerfield Aerodrome   Investigation phase: Evidence collection  
State: Queensland   Occurrence type: Propeller/rotor malfunction  
  Occurrence category: Incident  
Report status: Pending   Highest injury level: None  
Anticipated completion: 1st Quarter 2022    

Aircraft details

Aircraft details
Aircraft manufacturer Eurocopter  
Aircraft model BO105 CBS-5  
Aircraft registration VH-NVH  
Serial number S 923  
Type of operation Aerial Work  
Sector Helicopter  
Damage to aircraft Nil  
Departure point Archerfield Aerodrome, Queensland  
Destination Archerfield Aerodrome, Queensland  
Last update 02 September 2021