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Flight crew of an MD80 stopped taxiing when B747 deviated from their approved taxi route to the passenger gate causing a ground conflict if the reporter had not stopped.
| Attributes | |
| ACN | 331970 |
| Time | |
| Date | 199603 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : pit |
| Operator | common carrier : air carrier |
| Make Model Name | MD-80 Super 80 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | ground other : taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Operator | common carrier : air carrier |
| Make Model Name | B747 Undifferentiated or Other Model |
| Operating Under FAR Part | other : other |
| Navigation In Use | Other |
| Flight Phase | ground other : taxi |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 331970 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : commercial pilot : instrument |
| Events | |
| Anomaly | conflict : ground less severe other anomaly other |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : returned to intended course or assigned course flight crew : took evasive action |
| Consequence | faa : reviewed incident with flight crew |
| Miss Distance | horizontal : 100 vertical : 0 |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Location: intersection taxiway a and A19. After landing runway 22R, high speed runway 9L, we were given instructions to taxi to our gate xx via H/a., approaching taxiway A20, I saw a B747 enter taxiway A19 then turn south on taxiway a. I stopped the aircraft rather than trying to guess whether the B747 was going to stop, which he did not. When questioned, the ground controller stated he was working 2 frequencys and had missed this potential problem. Had this situation occurred in other than day/VFR conditions, the outcome might have been less desirable.
Original NASA ASRS Text
Title: FLC OF AN MD80 STOPPED TAXIING WHEN B747 DEVIATED FROM THEIR APPROVED TAXI RTE TO THE PAX GATE CAUSING A GND CONFLICT IF THE RPTR HAD NOT STOPPED.
Narrative: LOCATION: INTXN TXWY A AND A19. AFTER LNDG RWY 22R, HIGH SPD RWY 9L, WE WERE GIVEN INSTRUCTIONS TO TAXI TO OUR GATE XX VIA H/A., APCHING TXWY A20, I SAW A B747 ENTER TXWY A19 THEN TURN S ON TXWY A. I STOPPED THE ACFT RATHER THAN TRYING TO GUESS WHETHER THE B747 WAS GOING TO STOP, WHICH HE DID NOT. WHEN QUESTIONED, THE GND CTLR STATED HE WAS WORKING 2 FREQS AND HAD MISSED THIS POTENTIAL PROB. HAD THIS SIT OCCURRED IN OTHER THAN DAY/VFR CONDITIONS, THE OUTCOME MIGHT HAVE BEEN LESS DESIRABLE.
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.