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A commuter aircraft encounters wake turbulence when sequenced behind an air carrier large transport on final at ord.
| Attributes | |
| ACN | 210179 |
| Time | |
| Date | 199205 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | msl bound lower : 4000 msl bound upper : 4000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : ord |
| Operator | common carrier : air carrier |
| Make Model Name | Light Transport, High Wing, 2 Turboprop Eng |
| Flight Phase | descent : approach |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Large Transport, Low Wing, 2 Turbojet Eng |
| Navigation In Use | Other Other |
| Flight Phase | descent : approach |
| Route In Use | enroute : on vectors |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 100 flight time total : 4300 flight time type : 360 |
| ASRS Report | 210179 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Events | |
| Anomaly | inflight encounter other other anomaly |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : regained aircraft control |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
During a vector from the south, we were sequenced behind an air carrier large transport Y. Just as final was intercepted, the wake was encountered. We rolled uncontrollable into 80 degree bank. We couldn't control for 2-3 seconds. The large transport Y puts out more wake than any aircraft I have ever encountered.
Original NASA ASRS Text
Title: A COMMUTER ACFT ENCOUNTERS WAKE TURB WHEN SEQUENCED BEHIND AN ACR LGT ON FINAL AT ORD.
Narrative: DURING A VECTOR FROM THE S, WE WERE SEQUENCED BEHIND AN ACR LGT Y. JUST AS FINAL WAS INTERCEPTED, THE WAKE WAS ENCOUNTERED. WE ROLLED UNCTLABLE INTO 80 DEG BANK. WE COULDN'T CTL FOR 2-3 SECONDS. THE LGT Y PUTS OUT MORE WAKE THAN ANY ACFT I HAVE EVER ENCOUNTERED.
Data retrieved from NASA's ASRS site as of July 2007 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.