(A) Landing areas shall be no smaller than seventy-five feet by seventy-five feet or 1.5 times the overall length of the design helicopter which ever is greater, when one helicopter is being operated. An area one hundred feet by one hundred feet or three times the overall length of the design helicopter which ever is greater, shall be provided when two or more helicopters are being operated.
(B) The takeoff and landing area must include an unobstructed approach-departure glide slope of at least eight to one.
(C) Heliports constructed after January 1, 1998 must meet the requirements set forth in
"federal aviation regulations (FAR) part 77 and federal aviation administration heliport design advisory circular 150/5390-2A(series)".
(D) Heliports constructed before January 1, 1998 will be certificated in accordance with the standards set forth during original construction. Heliports not meeting current commercial operating certificate requirements will receive a conditional commercial operating certificate stipulating areas of non-compliance with current heliport standards.