<< >> NASA ASRS Report 720841, December 2006

A DC8's wingtip touched another aircraft's wingtip during taxi out from a congested phl ramp with a marshaller and wingtip walkers present.

Attributes
ACN	720841
Time
Date	200612
Local Time Of Day	0001 To 0600
Place
Locale Reference	airport : phl.airport
State Reference	PA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Night
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	DC-8 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi
Flight Plan	IFR
Aircraft 2
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	ground : parked
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
Experience	flight time last 90 days : 60 flight time total : 6600 flight time type : 1600
ASRS Report	720841
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer oversight : pic
Experience	flight time last 90 days : 30 flight time total : 10000 flight time type : 7000
ASRS Report	720842
Events
Anomaly	conflict : ground critical
Independent Detector	other other : 4
Resolutory Action	none taken : detected after the fact
Consequence	other other
Supplementary
Problem Areas	Company
Primary Problem	Company

Narrative:

Taxi out at phl: started engines completed checklist began taxiing on marshaller's signal. Wing walkers were in place. After a short distance; maybe 25 ft; marshaller abruptly signaled stop and we did. Mechanic pulled up; plugged in and told us to shut down; that we had bumped wingtips with the aircraft parked next to us (our right). Supplemental information from acn 720842: the problem arose with the planes parked too close and the marshallers not paying attention. If we would park the aircraft in a safer manner; ie; further apart; it would not have happened. The maintenance man was very helpful during the shutdown process.

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Original NASA ASRS Text

Title: A DC8'S WINGTIP TOUCHED ANOTHER ACFT'S WINGTIP DURING TAXI OUT FROM A CONGESTED PHL RAMP WITH A MARSHALLER AND WINGTIP WALKERS PRESENT.

Narrative: TAXI OUT AT PHL: STARTED ENGS COMPLETED CHKLIST BEGAN TAXIING ON MARSHALLER'S SIGNAL. WING WALKERS WERE IN PLACE. AFTER A SHORT DISTANCE; MAYBE 25 FT; MARSHALLER ABRUPTLY SIGNALED STOP AND WE DID. MECH PULLED UP; PLUGGED IN AND TOLD US TO SHUT DOWN; THAT WE HAD BUMPED WINGTIPS WITH THE ACFT PARKED NEXT TO US (OUR R). SUPPLEMENTAL INFO FROM ACN 720842: THE PROB AROSE WITH THE PLANES PARKED TOO CLOSE AND THE MARSHALLERS NOT PAYING ATTN. IF WE WOULD PARK THE ACFT IN A SAFER MANNER; IE; FURTHER APART; IT WOULD NOT HAVE HAPPENED. THE MAINT MAN WAS VERY HELPFUL DURING THE SHUTDOWN PROCESS.

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.