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2.4.4 The geographical coordinates of each helicopter
stand shall be measured and reported to the aeronautical
information services authority in degrees, minutes, seconds
and hundredths of seconds.
2.4.5 The geographical coordinates of significant
obstacles on and in the vicinity of a heliport shall be measured
and reported to the aeronautical information services authority
in degrees, minutes, seconds and tenths of seconds. In
addition, the top elevation rounded up to the nearest metre or
foot, type, marking and lighting (if any) of the significant
obstacles shall be reported to the aeronautical information
services authority.
2.5 Declared distances
The following distances shall be declared, where relevant,
for a heliport:
a) take-off distance available;
b) rejected take-off distance available; and
c) landing distance available.
CHAPTER 3. PHYSICAL CHARACTERISTICS
3.1 Surface-level heliports b) 7 per cent where the heliport is intended to be used by
performance class 2 and 3 helicopters.
Note.- The following specifications are for surface-level
land heliports (except where specified). 3.1.4 The surface of the FATO shall:
a) be resistant to the effects of rotor downwash;
Final approach and take-off areas
b) be free of irregularities that would adversely affect the
3.1.1 A surface-level heliport shall be provided with at take-off or landing of helicopters; and
least one FATO.
C) have bearing strength sufficient to accommodate a
Note.- A FAT0 may be located on or near a runway strip rejected take-off by performance class l helicopters.
or tuxiway strip.
3.1.5 Recommendation.- The FAT0 should provide
3.1.2 The dimensions of a FAT0 shall be: ground effect.
a) for a heliport intended to be used by performance
class 1 helicopters, as prescribed in the helicopter flight Helicopter clearways
manual except that, in the absence of width
specifications,;he width shall be not less than 1.5 times 3.1.6 When it is necessary to provide a helicopter
the over-all lengtwwidth, whichever is greater, of the cleanvay, it shall be located beyond the upwind end of the
longestlwidest helicopter the heliport is intended to rejected take-off area available,
serve;
3.1.7 Recommendation.-- The width of a helicopter
b, for a water intended be used by performance clearway should nor be less than that of the associated safety
class I helicopters, as prescribed in a) above, plus I0 per
area.
cent;
3.1.8 Recommendation.- The ground in a helicopter
for a he'iport intended be used by perfDmance ckarway should not project above a plane having an upward
class 2 and 3 helicopters, of sufficient size and shape to slope of 3 per cent, the lower limit of this plane being a
contain an area within which can be drawn a circle of horizontal line which is located on the periphery of the FATO.
diameter not less than 1.5 times the over-all
lengthlwidth, whichever is greater, of the longestlwidest
helicopter the helipor( is intended to serve; and
d) for a water heliport intended to be used by performance
class 2 and 3 helicopters, of sufficient size to contain an
area within which can be drawn a circle of diameter not
less than two times the over-all lengthlwidth, whichever
is greater, of the longestlwidest helicopter the heliport is
intended to serve.
Note.- Local conditions, such as elevation and
temperature, may need to be considered when determining the
size of a FATO. Guidance is given in the Heliport Manual.
3.1.9
helicopter
should be
Recommendation.- An object situated on a
- cleanvay which may endanger helicopters in the air
regarded as an obstacle and should be removed.
Touchdown and lift-off areas
3.1.10 At least one touchdown and lift-off area shall be
provided at a heliport.
Note.- The touchdown and lift-off area may or may not be
located within the FATO.
3.1.3 The over-all slope in any direction on the FAT0 3.1.1 1 The touchdown and lift-off area (TLOF) shall be
shall not exceed 3 per cent. No portion of a FAT0 shall have of sufficient size to contain a circle of diameter 1.5 times the
a local slope exceeding: length or width of the undercarriage, whichever is the greater,
of the largest helicopter the area is intended to serve.
a) 5 per cent where the heliport is intended to be used by
performance class 1 helicopters; and Note.- A touchdown alid lif-off area may be any shape.
ANNEX 14 - VOLUME I1 5 911 1/95
Annex 14 - Aerodromes Volume II
3,l .12 Slopes on a touchdown and lift-off area shall be 3.1.20 The surface of the safety area shall be treated to
sufficient to prevent accumulation of water on the surface of prevent flying debris caused by rotor downwash.
　
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