4.2.10  Since the U.S. does not differentiate between surface level and elevated heliports, the comments to paragraphs 4.2.1 through 4.2.5 above apply. 
4.2.11  The U.S. has no requirement for a take.off climb surface. It does require at least one approach/departure surface and encourages that there be as many approaches as is practical separated by arcs of 90 to 180 degrees. 
4.2.12 through 4.2.22  Since the U.S. does not have alternative design criteria for helidecks or shipboard heliports, there are no comparable U.S. protective surface requirements. 
Tables 4.1, 4.2, 4.3, 4.4  The U.S. does not have tables comparable to the ICAO Tables 4.1 to 4.4. 
Chapter 5  Visual Aids 
5.2.1  The U.S. does not have criteria for markings to be used in defining winching areas. 
5.2.3.3  The U.S. maximum mass markings are specified in 1,000 pound units rather than tonnes or kilograms. 
5.2.4.3  The U.S. criterion requires FATO markers but is not specific on the number or spacing between markers. 
5.2.4.4  The U.S. criteria for FATO markers is not dimensionally specific. 
5.2.6  The U.S. does not require, or have criteria for, marking an aiming point. 
5.2.7.1  The U.S. does not require specific criteria for marking floating or off.shore fixed.in.place helicopter or helideck facilities. 
5.2.8  The U.S. does not require marking the touchdown area. 
5.2.9  The U.S. does not have criteria for heliport name markings. 
5.2.10  The U.S. does not have a requirement to mark helideck obstacle.free sectors. 
5.2.12.2  The U.S. criterion places the air taxiway markers along the edges of the routes rather than on the centerline. 
5.2.12.3  The U.S. criterion for air taxiway markers does not specify the viewing area or height to width ratio. 
5.3.2.3  The U.S. heliport beacon flashes white.green.yellow colors rather than a series of timed flashes. 
5.3.2.5*  The U.S. criteria is not specific on the light intensity of the flash. 
5.3.3.3  The U.S. criterion specifies a 300 meters approach light system configuration. The light bars are spaced at 30 meters intervals. The first two bars of the configuration are single lights, the next two bars are two lights, then two bars with three lights, then two bars with four lights, and finally two bars with five lights. 
5.3.3.4  The U.S. approach light system uses aimed PAR.56 lights. 
5.3.3.6  The U.S. heliport approach light system does not contain flashing lights. 
5.3.5.2 a)  The U.S. requires an odd number of lights, but not less than three lights per side. 
5.3.5.2 b)  The U.S. requires a minimum of eight lights for a circular FATO and does not specify the distance between lights. 
5.3.5.4*  The U.S. criteria does not specify light distribution. 
5.3.6  The U.S. does not have specific criteria for aiming point lights. 
5.3.8  The U.S. does not have standards for winching area lighting. 
Chapter 6  Heliport Services 
6.1*  The U.S. requirements for rescue and fire fighting services at certificated heliports are found in 14 CFR Part 139. Criteria for other heliports are established by the National Fire Protection Association (NFPA) pamphlets 403 or 418, or in regulations of local fire departments. 

*Indicates ICAO Recommended Practice

ANNEX 15 . AERONAUTICAL INFORMATION SERVICES 
Chapter 2  Definitions 
ASHTAM  The U.S. doesn’t have a series of NOTAM called ASHTAM, although notification procedures are written on handling of Volcanic Ash activity. 
Danger area  “Danger area’’ is not used in reference to areas within the U.S. or in any of its possessions or territories. 
Integrated Aeronautical Information Package  The U.S. does not produce the entire information package.The U.S. does not use the term Integrated Aeronautical Information Package. The U.S. provides the elements contained in the ICAO Integrated Aeronautical Information Package individually from several different sources and not from a single source. 
Maneuvering area  This term is not used by the U.S. 
Movement area  The runways, taxiways, and other areas of an airport/heliport which are utilized for taxiing/hover.taxiing, air.taxiing, takeoff, and landing of aircraft, exclusive of loading ramps and parking areas. At those airports/heliports with a tower, specific approval for entry onto the movement area must be obtained from ATC. 
Pre.flight Information Bulletin (PIB)  The US does not use the term PIB. However, current NOTAM information is gathered and available through different sources. 
　
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