Summary
The crew reported that they received a cockpit warning during climb passing through FL 310. In accordance with company procedures the flight was returned for an uneventful landing at the departure runway.
Post flight examination found the number 3 Air Data reference Unit had failed. The unit was replaced and all systems tested normal. The aircraft then returned to service without further incident.
Occurrence summary
| Investigation number | 199702998 |
|---|---|
| Occurrence date | 15/09/1997 |
| Location | 120 km south-south-east of Melbourne Airport |
| State | Victoria |
| Report release date | 19/09/1997 |
| Report status | Final |
| Investigation type | Occurrence Investigation |
| Investigation status | Completed |
| Mode of transport | Aviation |
| Aviation occurrence category | Warning devices |
| Occurrence class | Incident |
Aircraft details
| Manufacturer | Airbus |
|---|---|
| Model | A320-211 |
| Registration | VH-HYA |
| Sector | Jet |
| Operation type | Air Transport High Capacity |
| Departure point | Melbourne Vic. |
| Destination | Launceston Tas. |
| Damage | Nil |