DH8 almost collided with a B737 while passing at phl runway 27L.

Attributes
ACN	472898
Time
Date	200005
Day	Tue
Local Time Of Day	0601 To 1200
Place
Locale Reference	airport : phl.airport
State Reference	PA
Altitude	agl single value : 0
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Operator	common carrier : air carrier
Make Model Name	B737 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : holding
Flight Plan	IFR
Aircraft 2
Controlling Facilities	tower : phl.tower
Operator	common carrier : air carrier
Make Model Name	Dash 8 Series Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	ground : taxi ground : position and hold
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
Qualification	pilot : atp pilot : cfi pilot : commercial pilot : flight engineer pilot : instrument
ASRS Report	472898
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
Qualification	pilot : multi engine pilot : instrument pilot : commercial
Events
Anomaly	conflict : ground critical ground encounters other non adherence : far non adherence : company policies non adherence : published procedure
Independent Detector	other flight crewa other flight crewb
Resolutory Action	none taken : detected after the fact none taken : insufficient time
Miss Distance	horizontal : 5 vertical : 0
Supplementary
Problem Areas	ATC Human Performance Flight Crew Human Performance
Primary Problem	Flight Crew Human Performance

Narrative:

I was at the hold short line awaiting departure from runway 27L. A commuter aircraft passed to my left to gain access to the runway from an intersecting taxiway. In order to get around us the commuter aircraft taxied about 1/2 way between the taxiway centerline and taxiway edge line. In the process the commuter's wingtip came about 5 ft from the left cockpit window of my aircraft. He was moving at a speed that would have prohibited a stop had one been necessary. I was unaware that the commuter aircraft was attempting to pass me until he was well into the maneuver because we were monitoring a different frequency than the commuter. I feel the commuter's passing us was reckless and careless. I also don't think the tower controller at phl should have given them the option to try and pass us.

Original NASA ASRS Text

Title: DH8 ALMOST COLLIDED WITH A B737 WHILE PASSING AT PHL RWY 27L.

Narrative: I WAS AT THE HOLD SHORT LINE AWAITING DEP FROM RWY 27L. A COMMUTER ACFT PASSED TO MY L TO GAIN ACCESS TO THE RWY FROM AN INTERSECTING TXWY. IN ORDER TO GET AROUND US THE COMMUTER ACFT TAXIED ABOUT 1/2 WAY BTWN THE TXWY CTRLINE AND TXWY EDGE LINE. IN THE PROCESS THE COMMUTER'S WINGTIP CAME ABOUT 5 FT FROM THE L COCKPIT WINDOW OF MY ACFT. HE WAS MOVING AT A SPD THAT WOULD HAVE PROHIBITED A STOP HAD ONE BEEN NECESSARY. I WAS UNAWARE THAT THE COMMUTER ACFT WAS ATTEMPTING TO PASS ME UNTIL HE WAS WELL INTO THE MANEUVER BECAUSE WE WERE MONITORING A DIFFERENT FREQ THAN THE COMMUTER. I FEEL THE COMMUTER'S PASSING US WAS RECKLESS AND CARELESS. I ALSO DON'T THINK THE TWR CTLR AT PHL SHOULD HAVE GIVEN THEM THE OPTION TO TRY AND PASS US.

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.