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ZOB controller described pilot deviation at FL330 when aircraft deviated from holding pattern and conflicted with another aircraft.
| Attributes | |
| ACN | 706270 |
| Time | |
| Date | 200608 |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : zob.artcc |
| State Reference | OH |
| Altitude | msl single value : 33000 |
| Environment | |
| Flight Conditions | Mixed |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : holding |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | pilot : instrument |
| Experience | controller radar : 21 flight time total : 900 |
| ASRS Report | 706270 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Experience | controller radar : 21 |
| ASRS Report | 705810 |
| Events | |
| Anomaly | conflict : airborne less severe non adherence : required legal separation |
| Independent Detector | atc equipment : conflict alert aircraft equipment : tcas other controllera other controllerb |
| Resolutory Action | controller : issued new clearance controller : issued alert flight crew : took evasive action |
| Consequence | faa : investigated |
| Miss Distance | horizontal : 24000 vertical : 700 |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
The A320 was put into holding at miget and deviated approximately 28 mi south of holding pattern which put the airplane in confliction with the B744 which was rerted to avoid the holding pattern.
Original NASA ASRS Text
Title: ZOB CTLR DESCRIBED PLTDEV AT FL330 WHEN ACFT DEVIATED FROM HOLDING PATTERN AND CONFLICTED WITH ANOTHER ACFT.
Narrative: THE A320 WAS PUT INTO HOLDING AT MIGET AND DEVIATED APPROX 28 MI S OF HOLDING PATTERN WHICH PUT THE AIRPLANE IN CONFLICTION WITH THE B744 WHICH WAS RERTED TO AVOID THE HOLDING PATTERN.
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.