Narrative:

Was on a VFR flight from ZZZ to ZZZ1. Flight briefing had no mention of restr flight areas on or near the flight path. ZZZ2 approach contacted me with the advisory to contact ZZZ3 FSS upon landing. Upon calling, I was advised that I had violated an unpublished tfr at newport.

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Original NASA ASRS Text

Title: C172 PLT VIOLATED A TFR INVOLVING AN AMMUNITIONS PLANT.

Narrative: WAS ON A VFR FLT FROM ZZZ TO ZZZ1. FLT BRIEFING HAD NO MENTION OF RESTR FLT AREAS ON OR NEAR THE FLT PATH. ZZZ2 APCH CONTACTED ME WITH THE ADVISORY TO CONTACT ZZZ3 FSS UPON LNDG. UPON CALLING, I WAS ADVISED THAT I HAD VIOLATED AN UNPUBLISHED TFR AT NEWPORT.

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.