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Ord monitor controller witnessed operational error as departure was cleared for takeoff as aircraft was crossing runway downfield.
| Attributes | |
| ACN | 691412 |
| Time | |
| Date | 200603 |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : ord.airport |
| State Reference | IL |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : position and hold ground : takeoff roll |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : ord.tower |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : local |
| Experience | controller limited radar : 24 controller time certified in position1 : 27 |
| ASRS Report | 691412 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | conflict : ground less severe non adherence : required legal separation |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : rejected takeoff flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 1100 |
| Supplementary | |
| Problem Areas | ATC Human Performance |
| Primary Problem | ATC Human Performance |
| Air Traffic Incident | Operational Error |
Narrative:
First aircraft #2 was cleared to cross runway 4 on taxiway H; then before he crossed; aircraft #1 was cleared for takeoff. Aircraft #1 did not appear to move; but aborted his takeoff without incident.
Original NASA ASRS Text
Title: ORD MONITOR CTLR WITNESSED OPERROR AS DEP WAS CLRED FOR TKOF AS ACFT WAS XING RWY DOWNFIELD.
Narrative: FIRST ACFT #2 WAS CLRED TO CROSS RWY 4 ON TXWY H; THEN BEFORE HE CROSSED; ACFT #1 WAS CLRED FOR TKOF. ACFT #1 DID NOT APPEAR TO MOVE; BUT ABORTED HIS TKOF WITHOUT INCIDENT.
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.