Small Aircraft; High Wing; 1 Eng; Fixed Gear
Flight Crew Private
Flight Crew Last 90 Days 25; Flight Crew Total 175; Flight Crew Type 175
Conflict NMAC
Flight Crew Took Evasive Action
Human Factors
Reporting aircraft was returning to PWK. Traffic at 12 and several miles was seen on the TCAS. We were monitoring PWK Tower at the time of the incident. External lights were on. Right front seat passenger acknowledged traffic; PIC was not able to see it until it was within 5 miles. Conflicting aircraft was against darkening overcast. PIC saw the conflicting and a few seconds later; rear seat passenger said to pull up and turn to the right. Conflicting traffic passed below and to the right of the reporting aircraft. Listening to Chicago TRACON would have been helpful in avoiding the incident.
[Report narrative contained no additional information.]
GA pilot near PWK performed evasive climb to avoid traffic. Traffic was shown on TCAS display.