Narrative:

While approaching ptk on the new pices 1 STAR; at 6000 ft MSL in IMC; a TCAS alert sounded. Visibility was near zero. Suddenly the PF made a severe climbing turn to avoid a parachute jumping plane which he saw very briefly just under his side of the aircraft. A parachutist was on the wing strut preparing to jump. When I told detroit approach of our near encounter; he stated that the parachute plane pilot stated that he would stay below 5000 ft MSL. We had been handed off from selfridge approach control to detroit approach control just before the incident. The incident was caused by the parachute plane's pilot not maintaining VFR conditions and assigned altitude. Also; detroit ATC stated their radar is poor in that area; so they did not know the other plane was climbing into us. This new STAR gets jet aircraft low very early so they must fly in congested airspace too long. The arrival should be modified to keep us higher in the poor radar coverage area.

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Original NASA ASRS Text

Title: A CE560 FLT CREW ON APCH TO DTW HAD AN NMAC WITH AN ACFT CARRYING PARACHUTISTS THAT WAS NOT COMPLYING WITH ATC CLRNC.

Narrative: WHILE APCHING PTK ON THE NEW PICES 1 STAR; AT 6000 FT MSL IN IMC; A TCAS ALERT SOUNDED. VISIBILITY WAS NEAR ZERO. SUDDENLY THE PF MADE A SEVERE CLBING TURN TO AVOID A PARACHUTE JUMPING PLANE WHICH HE SAW VERY BRIEFLY JUST UNDER HIS SIDE OF THE ACFT. A PARACHUTIST WAS ON THE WING STRUT PREPARING TO JUMP. WHEN I TOLD DETROIT APCH OF OUR NEAR ENCOUNTER; HE STATED THAT THE PARACHUTE PLANE PLT STATED THAT HE WOULD STAY BELOW 5000 FT MSL. WE HAD BEEN HANDED OFF FROM SELFRIDGE APCH CTL TO DETROIT APCH CTL JUST BEFORE THE INCIDENT. THE INCIDENT WAS CAUSED BY THE PARACHUTE PLANE'S PLT NOT MAINTAINING VFR CONDITIONS AND ASSIGNED ALT. ALSO; DETROIT ATC STATED THEIR RADAR IS POOR IN THAT AREA; SO THEY DID NOT KNOW THE OTHER PLANE WAS CLBING INTO US. THIS NEW STAR GETS JET ACFT LOW VERY EARLY SO THEY MUST FLY IN CONGESTED AIRSPACE TOO LONG. THE ARR SHOULD BE MODIFIED TO KEEP US HIGHER IN THE POOR RADAR COVERAGE AREA.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.