Flight crew experiences a navigation deviation when they were cleared to bacen but entered bacnn in ...

Attributes
ACN	788616
Time
Date	200805
Local Time Of Day	1801 To 2400
Place
Locale Reference	airport : ord.airport
State Reference	IL
Aircraft 1
Controlling Facilities	tracon : c90.tracon
Operator	common carrier : air carrier
Make Model Name	Commercial Fixed Wing
Operating Under FAR Part	Part 121
Flight Phase	climbout : vacating altitude
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	788616
Person 2
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	788617
Events
Anomaly	non adherence : clearance other spatial deviation
Independent Detector	other controllera
Resolutory Action	flight crew : returned to original clearance
Supplementary
Problem Areas	Flight Crew Human Performance FAA
Primary Problem	Flight Crew Human Performance

Narrative:

Shortly after departure accepted verbal reclrnc direct to bacen. We entered bacnn (familiar point on this routing) both pilots confirmed and I proceeded direct. (ATC had intended bacen not bacnn.)

Original NASA ASRS Text

Title: FLT CREW EXPERIENCES A NAV DEVIATION WHEN THEY WERE CLEARED TO BACEN BUT ENTERED BACNN IN THE FMS.

Narrative: SHORTLY AFTER DEP ACCEPTED VERBAL RECLRNC DIRECT TO BACEN. WE ENTERED BACNN (FAMILIAR POINT ON THIS ROUTING) BOTH PLTS CONFIRMED AND I PROCEEDED DIRECT. (ATC HAD INTENDED BACEN NOT BACNN.)

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

Flight crew experiences a navigation deviation when they were cleared to bacen but entered bacnn in the FMS.