Summary
The ATSB is investigating a near collision involving Cessna 172S, VH-KOJ, and Cirrus SR22, VH-XC5, about 22 km south-south-east of Melbourne Airport, Victoria, on 22 January 2026.
During cruise, the crew of the Cessna 172S detected the Cirrus SR22 in close proximity on a crossing track. The pilot of the SR22 also identified the conflict and conducted a descent below the lowest safe altitude to increase separation.
The ATSB has commenced the examination and analysis of the initial evidence collected.
To date, the ATSB investigation has included:
- interviewing involved parties
- reviewing recorded data
- examination of other relevant documentation.
The continuing investigation will include examination and analysis of:
- operational documentation
- recorded data
- related occurrences.
A final report will be released 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.
Occurrence summary
| Investigation number | AO-2026-007 |
|---|---|
| Occurrence date | 22/01/2026 |
| Location | About 22 km south-south-east of Melbourne Airport |
| State | Victoria |
| Report status | Pending |
| Anticipated completion | Q2 2026 |
| Investigation level | Short |
| Investigation type | Occurrence Investigation |
| Investigation phase | Examination and analysis |
| Investigation status | Active |
| Mode of transport | Aviation |
| Aviation occurrence category | Flight below minimum altitude, Near collision |
| Occurrence class | Serious Incident |
| Highest injury level | None |
Aircraft details
| Manufacturer | Cirrus Design Corporation |
|---|---|
| Model | SR22 |
| Registration | VH-XC5 |
| Serial number | 9217 |
| Sector | Piston |
| Operation type | Part 91 General operating and flight rules |
| Departure point | Essendon Airport, Victoria |
| Destination | Essendon Airport, Victoria |
| Damage | Nil |
Aircraft details
| Manufacturer | Textron Aviation Inc. |
|---|---|
| Model | 172S |
| Registration | VH-KOJ |
| Serial number | 172S12147 |
| Aircraft operator | Oxford Aviation Academy (Australia) Pty Ltd |
| Sector | Piston |
| Operation type | Part 141 Recreational, private and commercial pilot flight training |
| Departure point | Moorabbin Airport, Victoria |
| Destination | Moorabbin Airport, Victoria |
| Damage | Nil |