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Runway incursion on runway 10L when a B757 flight crew answers for another flight that has a similar sounding call sign at sfo, ca.
| Attributes | |
| ACN | 538640 |
| Time | |
| Date | 200202 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : sfo.airport |
| State Reference | CA |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : luk.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : position and hold |
| Flight Plan | IFR |
| Aircraft 2 | |
| Controlling Facilities | tower : sfo.tower |
| Operator | common carrier : air carrier |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : position and hold |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : private pilot : multi engine pilot : flight engineer pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 130 flight time total : 4000 flight time type : 1000 |
| ASRS Report | 538640 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Events | |
| Anomaly | incursion : runway non adherence : far non adherence : clearance other anomaly other |
| Independent Detector | other controllera |
| Resolutory Action | controller : issued new clearance controller : issued advisory other |
| Consequence | faa : reviewed incident with flight crew |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance ATC Human Performance Environmental Factor |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
While holding short of runway 10L at san francisco on taxiway U on the south side of the runway, the tower controller cleared us (air carrier X) onto runway 10L and hold. We responded 'air carrier X, cleared on to hold, runway 10L' and tower did not respond. After taxiing onto the runway the tower controller asked if we had answered for air carrier Y, who was parked on the north side of runway 10L. No traffic conflicts resulted and tower advised similar sounding call signs and cleared us to taxi clear of runway 10L on the north side of the runway. Air carrier Y was subsequently cleared for takeoff and we were cleared for takeoff after air carrier Y. Contributing factors: similar sounding call signs. Tower controller at san francisco mumbled his xmissions, even after advising similar sounding xmissions.
Original NASA ASRS Text
Title: RWY INCURSION ON RWY 10L WHEN A B757 FLC ANSWERS FOR ANOTHER FLT THAT HAS A SIMILAR SOUNDING CALL SIGN AT SFO, CA.
Narrative: WHILE HOLDING SHORT OF RWY 10L AT SAN FRANCISCO ON TXWY U ON THE S SIDE OF THE RWY, THE TWR CTLR CLRED US (ACR X) ONTO RWY 10L AND HOLD. WE RESPONDED 'ACR X, CLRED ON TO HOLD, RWY 10L' AND TWR DID NOT RESPOND. AFTER TAXIING ONTO THE RWY THE TWR CTLR ASKED IF WE HAD ANSWERED FOR ACR Y, WHO WAS PARKED ON THE N SIDE OF RWY 10L. NO TFC CONFLICTS RESULTED AND TWR ADVISED SIMILAR SOUNDING CALL SIGNS AND CLRED US TO TAXI CLR OF RWY 10L ON THE N SIDE OF THE RWY. ACR Y WAS SUBSEQUENTLY CLRED FOR TKOF AND WE WERE CLRED FOR TKOF AFTER ACR Y. CONTRIBUTING FACTORS: SIMILAR SOUNDING CALL SIGNS. TWR CTLR AT SAN FRANCISCO MUMBLED HIS XMISSIONS, EVEN AFTER ADVISING SIMILAR SOUNDING XMISSIONS.
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.