Summary
Two aircraft were operating on reciprocal routes between Brisbane and Darwin when the
crew of one aircraft became aware that both aircraft were flying at the same level near Mount
Isa. The crew initiated avoidance action and clearance for operation at a lower level was
given. Each crew saw the other aircraft pass less than 1 min later.
Occurrence summary
| Investigation number | 199102639 |
|---|---|
| Occurrence date | 01/03/1991 |
| Location | Mount Isa |
| State | Queensland |
| Report release date | 20/09/1993 |
| Report status | Final |
| Investigation type | Occurrence Investigation |
| Investigation status | Completed |
| Mode of transport | Aviation |
| Aviation occurrence category | Breakdown of co-ordination |
| Occurrence class | Incident |
| Highest injury level | None |
Aircraft details
| Manufacturer | The Boeing Company |
|---|---|
| Model | 737 |
| Registration | VH-CZG |
| Serial number | 23659 |
| Sector | Jet |
| Operation type | Air Transport High Capacity |
| Departure point | Darwin, NT |
| Destination | Brisbane, QLD |
| Damage | Nil |
Aircraft details
| Manufacturer | The Boeing Company |
|---|---|
| Model | 737 |
| Registration | VH-TJD |
| Serial number | 19254 |
| Sector | Jet |
| Operation type | Air Transport High Capacity |
| Departure point | Brisbane, QLD |
| Destination | Darwin, NT |
| Damage | Nil |