AN EMS HELI PLT FLEW THROUGH A PRESIDENTIAL PROHIBITED AREA.

Narrative

AT XC27 LCL TIME; A REQUEST CAME IN TO PICK UP A MEDICAL TEAM FROM HOSPITAL X APPROX 4 NM NW OF ZZZ ARPT AND FLY THEM TO HOSPITAL IN ABC. OUR HELI IS EMS EQUIPPED BASED 4 NM S OF ZZZ ARPT AT THE UNIVERSITY. I CALLED A PVT WX SVC FOR MY PREFLT BRIEFING. WX WAS GOOD FOR THE FLT AND NO NOTAMS WERE GIVEN BY THE BRIEFER. WE DEPARTED THE UNIVERSITY AT XC54 LCL; FLYING N OVER ZZZ ARPT; CLBING TO 1400 FT MSL; AND TURNED NW AS WE GOT JUST N OF DOWNTOWN. WE THEN LANDED AT HOSPITAL X APPROX 4 NM NW OF ZZZ ARPT. AFTER LOADING X'S MEDICAL TEAM; WE DEPARTED AT XD10 LCL TIME; FLEW THE REVERSE RTE SBOUND OVER ZZZ ARPT; THEN DIRECT TO HOSPITAL. AT XD59 WE DEPARTED. HOSPITAL Y WITH A 9 MONTH OLD PATIENT HEADED FOR HOSPITAL X. I WAS MONITORING XYZ ARPT TWR FREQ AS WE APCHED ZZZ ARPT AROUND XD19 LCL TIME AND FIRST LEARNED OF THE PRESIDENTIAL AIRSPACE RESTR. COORDINATED THROUGH APCH CTL AND WE WERE ALLOWED TO LAND THE PATIENT AT HOSPITAL X 4 NM NW OF ARPT. ONCE AT X; I SHUT DOWN AND PHONED APCH CTL VIA TELEPHONE AND EXPLAINED THE SIT. I SPOKE WITH OPERATOR Z AND WAS ALLOWED TO DEPART X HOSPITAL GOING DIRECTLY TO XYZ ARPT FOR FUEL. THE PROHIBITED AREA WAS A 1.5 NM RADIUS CIRCLE CTRED AT 23 NM FROM THE ZZZ VOR ON THE 352 DEGS RADIAL FROM THE GND UP TO 1500 FT AGL. I HAD FLOWN THROUGH IT; AT 1400 FT MSL; BOTH APCHING AND THEN DEPARTING HOSPITAL X AROUND XD00 LCL TIME AS EXPLAINED ABOVE.