Period of Applicability
2026-11-04 18:56 - 2027-01-11 23:59
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Interpretation
An unlit stack of unknown aeronautical study number is located 3.7 NM southeast of SBN at 41°39′17.77″N, 86°17′53.59″W. Its top is 964 ft MSL (250 ft AGL).
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Message
OBST STACK (ASN UNKNOWN) 413917.77N0861753.59W (3.7NM SE SBN) 964FT (250FT AGL) NOT LGTD
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