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G200 captain reported a near midair collision with a glider while inbound to pwk. Glider reportedly had no transponder and ATC was unaware of their position.
| Attributes | |
| ACN | 1296377 |
| Time | |
| Date | 201509 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | PWK.Airport |
| State Reference | IL |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Gulfstream Jet Undifferentiated or Other Model |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Descent |
| Route In Use | Direct |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Sail Plane |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Cruise |
| Flight Plan | None |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 150 Flight Crew Total 5000 Flight Crew Type 2500 |
| Events | |
| Anomaly | Conflict NMAC |
| Miss Distance | Horizontal 90 Vertical 100 |
Narrative:
Weather clear unlimited visibility. We were on an IFR flight plan being vectored into pwk at 5000ft and 250kts. ATC never warned us of the glider and ATC did not have a primary or secondary target. We did not receive an RA or a TA. The glider moved from our upper right crossing in front of us in a descending left bank. I disengaged the autopilot and banked right about 20 degrees and descended 300ft. The copilot immediately notified ATC. ATC replied that they did not show a target. We then climbed back up to 5000ft and on heading.
Original NASA ASRS Text
Title: G200 Captain reported a NMAC with a glider while inbound to PWK. Glider reportedly had no transponder and ATC was unaware of their position.
Narrative: Weather Clear unlimited visibility. We were on an IFR flight plan being vectored into PWK at 5000ft and 250kts. ATC never warned us of the glider and ATC did not have a Primary or Secondary target. We did not receive an RA or a TA. The glider moved from our upper right crossing in front of us in a descending left bank. I disengaged the autopilot and banked right about 20 degrees and descended 300ft. The copilot immediately notified ATC. ATC replied that they did not show a target. We then climbed back up to 5000ft and on heading.
Data retrieved from NASA's ASRS site 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.