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Air carrier-medium large transport failed to break for downwind before overflying runway causing corp-light transport to abort takeoff.
| Attributes | |
| ACN | 86820 |
| Time | |
| Date | 198804 |
| Day | Sat |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : mdw |
| State Reference | IL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : mdw tower : mbs |
| Operator | general aviation : corporate |
| Make Model Name | Light Transport, Low Wing, 2 Turboprop Eng |
| Flight Phase | climbout : takeoff other |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | Medium Large Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | descent : approach |
| Route In Use | approach : circling |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 75 flight time total : 4500 flight time type : 225 |
| ASRS Report | 86820 |
| Person 2 | |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : clearance other anomaly other other spatial deviation |
| Independent Detector | other controllera other flight crewa |
| Resolutory Action | controller : issued new clearance |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 500 vertical : 1000 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
NDB 31L circle to runway 22 approachs in progress at mdw. Light transport cleared for takeoff by mdw tower. Prior to V1, mdw tower and first officer of light transport called 'abort takeoff.' during taxi back for takeoff it was ascertained that the reason for the abort was that an medium large transport had not turned for a left downwind pattern, but had xed the proposed departure path of light transport. The light transport first officer said he saw the medium large transport appear below the clouds and fail to turn for the left downwind for runway 22L. Callback conversation with reporter revealed the following: the air carrier medium large transport on the crossing approach apparently forgot he was to circle right for a left downwind to active runway. Finally abandoned approach and broke left after crossing runway which would have had him cross departure traffic again. At this point ATC tower directed medium large transport for another approach.
Original NASA ASRS Text
Title: ACR-MLG FAILED TO BREAK FOR DOWNWIND BEFORE OVERFLYING RWY CAUSING CORP-LTT TO ABORT TKOF.
Narrative: NDB 31L CIRCLE TO RWY 22 APCHS IN PROGRESS AT MDW. LTT CLRED FOR TKOF BY MDW TWR. PRIOR TO V1, MDW TWR AND F/O OF LTT CALLED 'ABORT TKOF.' DURING TAXI BACK FOR TKOF IT WAS ASCERTAINED THAT THE REASON FOR THE ABORT WAS THAT AN MLG HAD NOT TURNED FOR A LEFT DOWNWIND PATTERN, BUT HAD XED THE PROPOSED DEP PATH OF LTT. THE LTT F/O SAID HE SAW THE MLG APPEAR BELOW THE CLOUDS AND FAIL TO TURN FOR THE LEFT DOWNWIND FOR RWY 22L. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: THE ACR MLG ON THE XING APCH APPARENTLY FORGOT HE WAS TO CIRCLE RIGHT FOR A LEFT DOWNWIND TO ACTIVE RWY. FINALLY ABANDONED APCH AND BROKE LEFT AFTER XING RWY WHICH WOULD HAVE HAD HIM CROSS DEP TFC AGAIN. AT THIS POINT ATC TWR DIRECTED MLG FOR ANOTHER APCH.
Data retrieved from NASA's ASRS site as of August 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.