Safety issue
| Safety issue description |
Interruption of electrical power to the multi purpose flight recorder due to water ingress removed of an important source of information used to identify safety issues. |
|---|---|
| Issue number | AO-2009-004-SI-04 |
| Issue owner | Agusta, S.p.A, Construzioni Aeronautiche |
| Transport function | Aviation: General aviation |
| Date issue released | 05/10/2010 |
| Issue status justification |
Improved water proofing measures to be implemented. |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | AO-2009-004-NSA-041 |
| Organisation | Agusta Westland |
| Action date | 05/10/2010 |
| Action description | The helicopter manufacturer has developed modifications to improve the overall water proofing of AW139 helicopters and is currently developing service bulletin 139-105 to provide the required detail to operators. |
| ATSB response | The ATSB is satisfied that the action by the helicopter manufacturer will, once in place, adequately address the safety issue. |
| Action status | Closed |
Safety action
| Action type | Proactive action |
|---|---|
| Action number | AO-2009-004-NSA-042 |
| Organisation | Emergency Management Queensland Helicopter Rescue |
| Action date | 05/10/2010 |
| Action description | Following the occurrence, the operator developed a modification, in accordance with an engineering order, to prevent moisture ingress affecting the multi-purpose flight recorder power supply. Details of the modification were supplied to the helicopter manufacturer. |
| ATSB response | The ATSB is satisfied that the action taken by the helicopter operator adequately addresses the safety issue. |
| Action status | Closed |