Air carrier flight crew reported a taxiway incursion due to difficulties seeing the taxiway signs at...

Attributes
ACN	1535604
Time
Date	201804
Local Time Of Day	0001-0600
Place
Locale Reference	BOS.Airport
State Reference	MA
Environment
Light	Night
Aircraft 1
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	Taxi
Flight Plan	IFR
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 390
Person 2
Function	Pilot Flying Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Experience	Flight Crew Last 90 Days 210 Flight Crew Type 10000
Events
Anomaly	Deviation - Procedural Clearance Deviation - Procedural Published Material / Policy Ground Incursion Taxiway

Narrative:

We contacted ground. We were given clearance to taxi east then M out to the runway. We inadvertently taxied out on K and were told to take a left next taxiway to join east. The signage at night was a little difficult to see for the taxiways.

Original NASA ASRS Text

Title: Air carrier flight crew reported a taxiway incursion due to difficulties seeing the taxiway signs at BOS.

Narrative: We contacted Ground. We were given clearance to taxi E then M out to the runway. We inadvertently taxied out on K and were told to take a left next taxiway to join E. The signage at night was a little difficult to see for the taxiways.

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.

Air carrier flight crew reported a taxiway incursion due to difficulties seeing the taxiway signs at bos.