Safety concern
It is difficult for pilots to spot another aircraft through visual observation alone.
The ATSB often receives reports from pilots that another aircraft is flying too close to them in uncontrolled airspace. Not surprisingly, three quarters of these reports involve pilots flying within 10 nautical miles (18.5 kilometres) of a non-controlled aerodrome.
Twice as many near-collisions are reported to the ATSB where pilots had no prior warning of other aircraft in their vicinity, compared with situations when a pilot received an alert by radio or a traffic alerting system like…