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Wide body air carrier flight crew reported an abrupt stop was necessary to avoid a collision on the ramp with another wide body aircraft.
| Attributes | |
| ACN | 1307267 |
| Time | |
| Date | 201511 |
| Local Time Of Day | 0001-0600 |
| Place | |
| Locale Reference | MEM.Airport |
| State Reference | TN |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | Widebody Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Aircraft 2 | |
| Make Model Name | Widebody Transport |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Taxi |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Person 2 | |
| Function | Pilot Not Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Conflict Ground Conflict Critical Deviation - Procedural Clearance |
Narrative:
We were facing east on taxiway X. There was aircraft Z facing us at Y. He was cleared to cross runway xx at taxiway Y and we were cleared to cross runway xx at taxiway X. There was aircraft Y behind aircraft Z. He made his left turn to cross at taxiway Y. We aren't sure of his taxi instructions. I was trying to get a little speed to make it over the uphill of crossing runway xx so I wouldn't have to use excessive power. As I got about 30 degrees into my right turn I realized aircraft Y had turned right onto runway xx. We were not expecting him to be directly in front of us. We slammed on the brakes and my first officer queried ground control. It was then that he realized our radio was on the guard frequency and we may not have heard a call from ground. Based on ground's response to our surprise of aircraft Y in front of us I felt we had not missed anything on ground frequency. We came as close as I would ever want to come to having a taxi incident.we may have missed a call to give way to aircraft Y when our radio was on guard instead of ground frequency.since we were in such close proximity to aircraft Y; it might have been better to delay one of our taxi clearances or at least tell one of us to give way in our initial taxi clearance. I'm not sure ground was aware of our situation.
Original NASA ASRS Text
Title: Wide body air carrier flight crew reported an abrupt stop was necessary to avoid a collision on the ramp with another wide body aircraft.
Narrative: We were facing east on Taxiway X. There was aircraft Z facing us at Y. He was cleared to cross Runway XX at Taxiway Y and we were cleared to cross Runway XX at Taxiway X. There was aircraft Y behind aircraft Z. He made his left turn to cross at Taxiway Y. We aren't sure of his taxi instructions. I was trying to get a little speed to make it over the uphill of crossing Runway XX so I wouldn't have to use excessive power. As I got about 30 degrees into my right turn I realized aircraft Y had turned right onto Runway XX. We were not expecting him to be directly in front of us. We slammed on the brakes and my FO queried Ground Control. It was then that he realized our radio was on the guard frequency and we may not have heard a call from ground. Based on Ground's response to our surprise of aircraft Y in front of us I felt we had not missed anything on ground frequency. We came as close as I would ever want to come to having a taxi incident.We may have missed a call to give way to aircraft Y when our radio was on guard instead of Ground frequency.Since we were in such close proximity to aircraft Y; it might have been better to delay one of our taxi clearances or at least tell one of us to give way in our initial taxi clearance. I'm not sure Ground was aware of our situation.
Data retrieved from NASA's ASRS site 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.