1. THE HOSPITAL MUST AT ALL TIMES PROVIDE AT LEAST ONE UNOBSTRUCTED APPROACH/DEPARTURE ROUTE THAT MEETS THE RECOMMENDATIONS OF FAA ADVISORY CIRCULAR (AC) 150/5390-2C, HELIPORT DESIGN, PAR.409 (A). 2. THE FINAL APPROACH AND TAKEOFF AREA (FATO) /SAFETY AREA MUST BE CLEARED OF ANY OBJECT THAT EXCEEDS A HEIGHT OF TWO INCHES ABOVE THE FATO SURFACE ELEVATION. 3. ACTIVITIES WITHIN THE HELIPORT PROTECTION ZONES (HPZ) THAT ARE INCOMPATIBLE WITH FLIGHT OPERATIONS MUST BE RESTRICTED, IN ACCORDANCE WITH AC 150/5390-2C, PAR. 410. 4. THE HELIPORT MUST BE MARKED IN ACCORDANCE WITH AC 150/5390-2C, PAR. 414. AT A MINIMUM, THESE MARKINGS MUST INCLUDE STANDARD HOSPITAL CROSS, A STANDARD "H" SYMBOL, A TLOF PERIMETER BOUNDARY MARKING, EXTENDED PAVEMENT MARKINGS, AND A SIZE /WEIGHT LIMITATION BOX (AS DEPICTED IN AC 150/5390-2C, PAR. 414, AND ASSOCIATED FIGURES) APPROPRIATE TO THE.