Narrative:

I was the instructor on a VFR cross country trip from ZZZ to ZZZ1 this was my first trip to ZZZ1, as I just received my cfii rating. I reviewed my student's flight plan and everything was planned well. I had some concern about the prohibited airspace X along our route of flight. So I asked my student if he received any NOTAMS regarding that airspace. My student's reply was that he received no NOTAMS from the FSS briefing or in his preflight planning. The trip went as planned and was uneventful until we reached ZZZ which we were passing almost directly over. I told my student to call ZZZ1 tower to let them know that we are approximately xx mi east inbound for landing. The controller asked us to identify 1200. I was the surprised to hear the controller tell us that we were in violation of px airspace and place us under vectors to the airport. I did not understand what was going on until we landed with and the locals as the FBO told me that px had been expanded from a 3 mi ring to an 8 NM ring which placed me and my student just inside he 'enhanced' px airspace. I called and confirmed this with the local FSS as well as calling pilot deviations as instructed by the tower. I suggest decommissioning the location xx into ZZZ3 until the enhanced px is over. Looking back, I should have not solely relied on my student's gathering NOTAMS, but should have investigated the situation further myself, considering the events of 09/11/01. I would also in the future call the local FSS to my destination for local NOTAMS and ask specifically if there are any NOTAMS regarding airspace along my route of flight.

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Original NASA ASRS Text

Title: GA TRAINING FLC OBTAIN INCOMPLETE BRIEFING AT POINT OF DEP AND INCUR RESTR AIRSPACE AT DEST.

Narrative: I WAS THE INSTRUCTOR ON A VFR CROSS COUNTRY TRIP FROM ZZZ TO ZZZ1 THIS WAS MY FIRST TRIP TO ZZZ1, AS I JUST RECEIVED MY CFII RATING. I REVIEWED MY STUDENT'S FLT PLAN AND EVERYTHING WAS PLANNED WELL. I HAD SOME CONCERN ABOUT THE PROHIBITED AIRSPACE X ALONG OUR RTE OF FLT. SO I ASKED MY STUDENT IF HE RECEIVED ANY NOTAMS REGARDING THAT AIRSPACE. MY STUDENT'S REPLY WAS THAT HE RECEIVED NO NOTAMS FROM THE FSS BRIEFING OR IN HIS PREFLT PLANNING. THE TRIP WENT AS PLANNED AND WAS UNEVENTFUL UNTIL WE REACHED ZZZ WHICH WE WERE PASSING ALMOST DIRECTLY OVER. I TOLD MY STUDENT TO CALL ZZZ1 TWR TO LET THEM KNOW THAT WE ARE APPROX XX MI E INBND FOR LNDG. THE CTLR ASKED US TO IDENT 1200. I WAS THE SURPRISED TO HEAR THE CTLR TELL US THAT WE WERE IN VIOLATION OF PX AIRSPACE AND PLACE US UNDER VECTORS TO THE ARPT. I DID NOT UNDERSTAND WHAT WAS GOING ON UNTIL WE LANDED WITH AND THE LOCALS AS THE FBO TOLD ME THAT PX HAD BEEN EXPANDED FROM A 3 MI RING TO AN 8 NM RING WHICH PLACED ME AND MY STUDENT JUST INSIDE HE 'ENHANCED' PX AIRSPACE. I CALLED AND CONFIRMED THIS WITH THE LOCAL FSS AS WELL AS CALLING PLT DEVIATIONS AS INSTRUCTED BY THE TWR. I SUGGEST DECOMMISSIONING THE LOCATION XX INTO ZZZ3 UNTIL THE ENHANCED PX IS OVER. LOOKING BACK, I SHOULD HAVE NOT SOLELY RELIED ON MY STUDENT'S GATHERING NOTAMS, BUT SHOULD HAVE INVESTIGATED THE SIT FURTHER MYSELF, CONSIDERING THE EVENTS OF 09/11/01. I WOULD ALSO IN THE FUTURE CALL THE LOCAL FSS TO MY DEST FOR LOCAL NOTAMS AND ASK SPECIFICALLY IF THERE ARE ANY NOTAMS REGARDING AIRSPACE ALONG MY RTE OF FLT.

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.