Mid-air near-miss — Cirrus SR22T and Cessna 172, Archerfield CTR

Summary

A Cirrus SR22T on an IFR approach and a Cessna 172 on a VFR training circuit came within approximately 150 m of each other during a simultaneous clearance conflict at Archerfield Airport. TCAS activated in the SR22T; the Cessna had no TCAS. Both pilots took avoiding action; no collision occurred.

Investigation Findings (4)

1. 01ATC clearances to both aircraft were issued concurrently without awareness of the conflict.
2. 02The Cessna was outside radar coverage during the critical period.
3. 03ATSB recommended mandatory TCAS for all aircraft operating in Class D airspace.
4. 04Airservices Australia revised the sequencing procedure for simultaneous IFR and VFR operations at Archerfield.