Narrative:

I am relatively unfamiliar with the denver area, having flown into that area only one other time. I flew into centennial (apa) IFR, and decided to leave VFR, and so purchased a class B chart from FBO at centennial. The chart is effective mar 9, and obsolete aug 18, 1994. There are no statements on the chart modifying the validity of it, and FBO made no statement on its validity. I got a full briefing in person at the centennial FSS (denver), and no NOTAM given to me indicated the chart was not valid. We took off VFR from centennial, I climbed to 7500 ft and flew northwest, staying well outside the 10 NM ring from mi high, as shown on the current chart. I did not have a current denver sectional, but did have the WAC chart covering the area, although I was not using it. I called denver approach as soon as possible, but contact took a few minutes. When the controller handed me off to the next sector, he said 'next time, be sure to call earlier.' at that point, I remembered that the airport switch and corresponding airspace switch had not occurred, noticed that my class B chart was based on the new airport, and assumed I had entered the class B space before I was cleared to. When I got home that day, I verified this on an old (1992) sectional I had, assuming the class B space had not shrunk. Looking back, I was aware that there was an airport and airspace switch about to occur (from notices I had received), but other then that, I had no indication at FBO, FSS, or ATC that the 'current' chart was not effective until the controls indicated I had violated class B space. My recommendation is that a NOTAM be issued indicating these charts are incorrect.

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Original NASA ASRS Text

Title: UNAUTH PENETRATION OF AIRSPACE.

Narrative: I AM RELATIVELY UNFAMILIAR WITH THE DENVER AREA, HAVING FLOWN INTO THAT AREA ONLY ONE OTHER TIME. I FLEW INTO CENTENNIAL (APA) IFR, AND DECIDED TO LEAVE VFR, AND SO PURCHASED A CLASS B CHART FROM FBO AT CENTENNIAL. THE CHART IS EFFECTIVE MAR 9, AND OBSOLETE AUG 18, 1994. THERE ARE NO STATEMENTS ON THE CHART MODIFYING THE VALIDITY OF IT, AND FBO MADE NO STATEMENT ON ITS VALIDITY. I GOT A FULL BRIEFING IN PERSON AT THE CENTENNIAL FSS (DENVER), AND NO NOTAM GIVEN TO ME INDICATED THE CHART WAS NOT VALID. WE TOOK OFF VFR FROM CENTENNIAL, I CLBED TO 7500 FT AND FLEW NW, STAYING WELL OUTSIDE THE 10 NM RING FROM MI HIGH, AS SHOWN ON THE CURRENT CHART. I DID NOT HAVE A CURRENT DENVER SECTIONAL, BUT DID HAVE THE WAC CHART COVERING THE AREA, ALTHOUGH I WAS NOT USING IT. I CALLED DENVER APCH AS SOON AS POSSIBLE, BUT CONTACT TOOK A FEW MINUTES. WHEN THE CTLR HANDED ME OFF TO THE NEXT SECTOR, HE SAID 'NEXT TIME, BE SURE TO CALL EARLIER.' AT THAT POINT, I REMEMBERED THAT THE ARPT SWITCH AND CORRESPONDING AIRSPACE SWITCH HAD NOT OCCURRED, NOTICED THAT MY CLASS B CHART WAS BASED ON THE NEW ARPT, AND ASSUMED I HAD ENTERED THE CLASS B SPACE BEFORE I WAS CLRED TO. WHEN I GOT HOME THAT DAY, I VERIFIED THIS ON AN OLD (1992) SECTIONAL I HAD, ASSUMING THE CLASS B SPACE HAD NOT SHRUNK. LOOKING BACK, I WAS AWARE THAT THERE WAS AN ARPT AND AIRSPACE SWITCH ABOUT TO OCCUR (FROM NOTICES I HAD RECEIVED), BUT OTHER THEN THAT, I HAD NO INDICATION AT FBO, FSS, OR ATC THAT THE 'CURRENT' CHART WAS NOT EFFECTIVE UNTIL THE CTLS INDICATED I HAD VIOLATED CLASS B SPACE. MY RECOMMENDATION IS THAT A NOTAM BE ISSUED INDICATING THESE CHARTS ARE INCORRECT.

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.