Narrative:

First time departing runway 33 at btv. I briefly reviewed airport layout in commercial charts and felt comfortable with route to runway 33. After cleared across runway 1 and cleared to taxi to runway 33 we began the 'before takeoff checklist to the line.' we were on taxiway C. As we approached taxiway K, it appeared that in order to access full length of runway for takeoff that we would need to turn onto taxiway K. As I turned onto taxiway K, I had a 'gut' feeling that something wasn't right. I stopped the aircraft and looked closer at the commercial chart airport layout and found that taxiway K was closed to aircraft over 68200 pounds. We weighed 130600 pounds. I was unable to turn around back to taxiway C so continued to runway 33 where we were then cleared for takeoff. Neither my first officer, ground nor tower said anything regarding the wrong turn. Later that day, I flew back into btv and again taxied out for runway 33. This time however I noticed a ground level taxi sign stating the overweight taxi restr on taxiway K. I had missed this sign earlier because I was involved with the takeoff briefing/checklist at that time. Next time I am unfamiliar with an airport, I will thoroughly review airport layout and complete briefs/checklists before reaching any areas of uncertainty so both my first officer and I are more vigilant.

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Original NASA ASRS Text

Title: UNFAMILIAR WITH BURLINGTON, VT, ARPT AN ACR A320 USES TXWY K THAT IS RESTR TO ACFT OVER 68200 LBS.

Narrative: FIRST TIME DEPARTING RWY 33 AT BTV. I BRIEFLY REVIEWED ARPT LAYOUT IN COMMERCIAL CHARTS AND FELT COMFORTABLE WITH RTE TO RWY 33. AFTER CLRED ACROSS RWY 1 AND CLRED TO TAXI TO RWY 33 WE BEGAN THE 'BEFORE TKOF CHKLIST TO THE LINE.' WE WERE ON TXWY C. AS WE APCHED TXWY K, IT APPEARED THAT IN ORDER TO ACCESS FULL LENGTH OF RWY FOR TKOF THAT WE WOULD NEED TO TURN ONTO TXWY K. AS I TURNED ONTO TXWY K, I HAD A 'GUT' FEELING THAT SOMETHING WASN'T RIGHT. I STOPPED THE ACFT AND LOOKED CLOSER AT THE COMMERCIAL CHART ARPT LAYOUT AND FOUND THAT TXWY K WAS CLOSED TO ACFT OVER 68200 LBS. WE WEIGHED 130600 LBS. I WAS UNABLE TO TURN AROUND BACK TO TXWY C SO CONTINUED TO RWY 33 WHERE WE WERE THEN CLRED FOR TKOF. NEITHER MY FO, GND NOR TWR SAID ANYTHING REGARDING THE WRONG TURN. LATER THAT DAY, I FLEW BACK INTO BTV AND AGAIN TAXIED OUT FOR RWY 33. THIS TIME HOWEVER I NOTICED A GND LEVEL TAXI SIGN STATING THE OVERWT TAXI RESTR ON TXWY K. I HAD MISSED THIS SIGN EARLIER BECAUSE I WAS INVOLVED WITH THE TKOF BRIEFING/CHKLIST AT THAT TIME. NEXT TIME I AM UNFAMILIAR WITH AN ARPT, I WILL THOROUGHLY REVIEW ARPT LAYOUT AND COMPLETE BRIEFS/CHKLISTS BEFORE REACHING ANY AREAS OF UNCERTAINTY SO BOTH MY FO AND I ARE MORE VIGILANT.

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.