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Applicable
1st Edition Fourth Meeting of Physical characteristics; obstacle limitation surfaces; visual aids for visual 9 March 1990
h e ANC Helicopter meteorological conditions; rescue and fire fighting services. 30 July 1900
Operations Panel; 15 November 1990
Eleventh meeting of
the ANC Visual
Aids Panel and
Secretariat
1 Twelfth Mecting of Standard geodelio reference system (WGS-84); frangibility; visual aids for 13 March 1995
(2nd Edition) the ANC Visual helicopler non-precision approaches; and visual alignment guidance system. 24 July 1995
Aids Panel and 9 November 1995
Secretariat
INTERNATIONAL STANDARDS
AND RECOMMENDED PRACTICES
CHAPTER 1. GENERAL
Introductory Note.- Volume II of this Annex contains C) Landing distance available (LDAH). The length of the
Standards and Recommended Practices (specifications) tltat final approach and take-off area plus any additional area
prescribe the physical characteristics and obstacle limitation declared available and suitable for helicopters to
su$aces to be provided for at heliports, and certain facilities complete the landing manoeuvre from a defined height.
and technical services normally provided at a heliport. It is
nor intended that these specifications limit or regulate the Elevated heliport. A heliport located on a raised structure on
operation of an aircraft. land.
The speci$cations in this volume mod& or complement
those in Volume I which, where appropriate, are also
applicable to heliports. In other words, where a particular
issue is a subjecr of a specification in this volume that
specifi~tion will supersede any other specification on that
particular issue in Volume I. Throughout this volume the tenn
"heliport" is used; however, it is intended that these
Final approach and take-off area (FATO). A defined area
over which the final phase of the approach manoeuvre to
hover or landing is completed and from which the take-off
manoeuvre is commenced. Where the FAT0 is to be used
by performance Class 1 helicopters, the defined area
includes the rejected take-off area available.
specijications also apply to areas .for the exclusive use of
helicopters at an aerodrome primarily meant for the tc+ce of Helicopter ground taxiway. A ground taxiway for use by
aeroplanes. helicopters only.
It is to be noted that provisions for helicopter flight Helicopter clearway. A defined area on the ground or water
operations are contained in Annex 6, Part 111. under the control of the appropriate authority, selected andl
or prepared as a suitable area over which a performance
class 1 helicopter may accelerate and achieve a specific
height.
1.1 Definitions Helicopter stand. An aircraft stand which provides for parking
a helicopter and, where air taxiing operations are
When the following terms are used in this volume they have contemplated, the helicopter touchdown and lift-off.
the meanings given below. Annex 14, Volume I contains
definitions for those terms which are used in both volumes.
Helideck. A heliport located on a floating or fixed off-shore
Air taxiway. A defined path on the surface established for the structure.
air taxiing of helicopters.
Hel@ort. An aerodrome or a defined area on a structure
Air transit route. A defined path on the surface established for intended to be used wholly or in part for the anival,
the air transitting of helicopters. departure and surface movement of helicopters.
Declared distances - heliports.
a) Take-off distance available (TODAH). The length of the
final approach and take-off area plus the length of
helicopter clearway (if provided) declared available and
suitable for helicopters to complete the take-OK
b) Rejected take-off distance available (RTODAH). The
length of the final approach and take-off area declared
available and suitable for performance class I
helicopters to complete a rejected take-off.
Safety area. A defined area on a heliport surrounding the
FAT0 which is free of obstacles, other than those required
for air navigation purposes, and intended to reduce the risk
of damage to helicopters accidentally diverging from the
FATO.
Surface level heliport. A heliport located on the ground or on
the water.
Touchdown and lift-ojjarea (TLOF). A load bearing area on
which a helicopter may touch down or lift off.
ANNEX 14 - VOLUME I I 911 1/95
Annex 14 - Aerodromes Volume Z
1.2 Applicability
1.2.1 The interpretation of some of the specifications in
the Annex expressly requires the exercising of discretion, the
taking of a decision or the performance of a function by the
appropriate authority. In other specifications, the expression
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