SENECA PLT ON IFR FLT PLAN DISCOVERS A TWR NOT SHOWN ON CHART UPON BREAKING OUT OF CLOUDS.

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I HAVE SENT ALONG SEVERAL CHARTS WHICH SHOW INCONSISTENCIES IN THE DEPICTION OF OBSTACLES AROUND THE BENNINGTON; VERMONT; ARPT: A COMMERCIAL CHART FROM 1983 SHOWS SEVERAL OBSTACLES AS THEY WERE DEPICTED OVER 10 YRS AGO AND WHICH IS SIMILAR TO HOW THEY ARE DEPICTED ON CURRENT NOS SECTIONAL CHARTS. I HAVE ENCLOSED COMMERCIAL CURRENT VERSION AND NOS' CURRENT PRINTING. I BELIEVE THE DIFFERENCES BTWN THE REALITY OF THE BENNINGTON ARPT ENVIRONMENT AND WHAT IS DEPICTED IN BOTH THE GOV AND COMMERCIAL VERSIONS POSES A DANGER TO PLTS ARRIVING UNDER IFR CONDITIONS. PLEASE NOTE THAT I DREW IN ONE OF THE OBSTACLES FOR MY OWN REF ON THE COMMERCIAL CHART (CIRCLED IN RED). ALSO I WROTE COMMERCIAL COMPANY OVER A YEAR AGO (FOR THE SECOND TIME) REGARDING THIS PROB AND HAVE NEVER GOTTEN A RESPONSE. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR STATES THE FIRST TIME HE WENT INTO THIS ARPT HE WAS IFR AND BROKE OUT THEN SAW THE TWR. HE WONDERED WHERE THAT CAME FROM SINCE IT WAS NOT ON HIS CHART. IN ADDITION TO WRITING TWICE TO THE COMMERCIAL COMPANY; HE HAS CALLED THEM AS WELL. THEY ARE USUALLY VERY RESPONSIVE; BUT HE HAS HEARD NOTHING FROM THEM. ACFT HE WAS FLYING WAS A PIPER SENECA. RPTR FEELS THIS IS A VERY DANGEROUS SIT.