<< >> NASA ASRS Report 87980, May 1988

Large transport air carrier had to make go around because taxiing large transport could not clear landing runway. Operational deviaiton.

Attributes
ACN	87980
Time
Date	198805
Day	Mon
Local Time Of Day	1201 To 1800
Place
Locale Reference	airport : sfo
State Reference	CA
Altitude	agl bound lower : 0 agl bound upper : 250
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : sfo
Operator	common carrier : air carrier
Make Model Name	Large Transport, Low Wing, 3 Turbojet Eng
Flight Phase	descent : approach landing : go around landing other
Route In Use	approach : visual
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Large Transport
Flight Phase	ground other : taxi
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp
Experience	flight time last 90 days : 150 flight time total : 16000 flight time type : 1300
ASRS Report	87980
Person 2
Affiliation	government : faa
Function	controller : local
Qualification	controller : non radar
Events
Anomaly	conflict : ground less severe incursion : runway other anomaly other
Independent Detector	other flight crewa
Resolutory Action	other
Consequence	Other
Miss Distance	horizontal : 0 vertical : 500
Supplementary
Primary Problem	ATC Human Performance
Air Traffic Incident	Operational Deviation other

Narrative:

Cleared visual approach, runway 28L at sfo. At approximately 3 NM and 1000', tower cleared large transport Y and large transport Z to cross, 28L and hold short of 28R. A widebody transport was in position 28R and a commuter was already holding between the runways. As we approached 250', widebody transport had started roll, commuter was moving onto 28R. First large transport Y had not started to make forward and second large transport Z was totally south of the hold line north of 28L and about 1/3 was entering our runway with no room to move up. Go around was made with close pattern back to 28R. Conclusion: ATC should not clear aircraft to cross active runways until space exists on the other side without depending on several leading aircraft moving up.

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Original NASA ASRS Text

Title: LGT ACR HAD TO MAKE GO AROUND BECAUSE TAXIING LGT COULD NOT CLEAR LNDG RWY. OPERATIONAL DEVIAITON.

Narrative: CLRED VISUAL APCH, RWY 28L AT SFO. AT APPROX 3 NM AND 1000', TWR CLRED LGT Y AND LGT Z TO CROSS, 28L AND HOLD SHORT OF 28R. A WDB WAS IN POSITION 28R AND A COMMUTER WAS ALREADY HOLDING BETWEEN THE RWYS. AS WE APCHED 250', WDB HAD STARTED ROLL, COMMUTER WAS MOVING ONTO 28R. FIRST LGT Y HAD NOT STARTED TO MAKE FORWARD AND SECOND LGT Z WAS TOTALLY SOUTH OF THE HOLD LINE NORTH OF 28L AND ABOUT 1/3 WAS ENTERING OUR RWY WITH NO ROOM TO MOVE UP. GO AROUND WAS MADE WITH CLOSE PATTERN BACK TO 28R. CONCLUSION: ATC SHOULD NOT CLEAR ACFT TO CROSS ACTIVE RWYS UNTIL SPACE EXISTS ON THE OTHER SIDE WITHOUT DEPENDING ON SEVERAL LEADING ACFT MOVING UP.

Data retrieved from NASA's ASRS site as of August 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.