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for landing.
Touchdown and lift-off area (TLOF). A load bearing area on
which a helicopter may touch down or lift off.
Touchdown zone. The portion of a runway, beyond the
threshold, where it is intended landing aeroplanes first
contact the runway.
Track. The projection on the earth's surface of the path of an
aircraft, the direction of which path at any point is usually
expressed in degrees from North (true, magnetic or grid).
Transition altitude. The altitude at or below which the
vertical position of an aircraft is controlled by reference to
altitudes.
Waypoint. A specified geographical location used to define an
area navigation route or the flight path of an aircraft
employing area navigation. Waypoints are identified as
either:
Fly-by waypoint. A waypoint which requires turn
anticipation to allow tangential .interception of the next
segment of a route or procedure, or
Flyover waypoint. A waypoint at which a turn is initiated in
order to join the next segment of a route or procedure.
1.2 Applicability
1.2.1 The specifications in this Annex are applicable on
and after 1 November 2001.
Note.- Chapter 20 Electronic Aeronautical Chart Display
- ICAO is applicable on and afrer 28 November 2002.
1.2.2 All charts coming within the scope of this Annex
and bearing the aeronautical information date of 1 November
2001 or later shall conform to the Standards relevant to the
particular chart.
1.2.2.1 Recommendation.- All such charts should in
addition conform to the Recommended Practices relevant to
the particular chart.
1.3 Availability
1.3.1 Information. A Contracting State shall on request by
another Contracting State provide all information relating to its
own temtory that is necessary to enable the Standards of this
Annex to he met.
1.3.2 Charts. Contracting States shall, when so specified,
ensure the availability of charts in whichever of the following
ways is appropriate for a particular chart or single sheet of a
chart series.
1.3.2.1 For any chart or single sheet of a chart series
entirely contained within the territory of a Contracting State,
the State having jurisdiction over the temtory shall either:
1) produce the chart or sheet itself; or
2) arrange for its production by another Contracting State
or by an agency; or
3) provide another Contracting State prepared to accept an
obligation to produce the chart or sheet with the data
necessary for its production.
Annex 4 - Aeronautical Charts Chapter 1
1.3.2.2 For any chart or single sheet of a chart series
which includes the territory of two or more Contracting States,
the States having jurisdiction over the territory so included
shall determine the manner in which the chart or sheet will be
made available. This determination shall be made with due
regard being given to regional air navigation agreements and
to any programme of allocation established by the Council of
ICAO.
Note.- The phrase "regional air navigation agreements"
refers to the agreements approved by the Council of ICAO
normally on the advice of regional air navigation meetings.
1.3.3 A Contracting State shall take all reasonable
measures to ensure that the information it provides and the
aeronautical charts made available are adequate and accurate
and that they are maintained up to date by an adequate revision
service.
1.3.4 Recommendation.- To improve worldwide dissemination
of information on new charting techniques
and production methods, appropriate charts produced by
Contracting States should be made available without charge
to other Conrracring States on request on a reciprocal
basis.
Note.- Guidance material on the preparation of aeronautical
charts, including sample formats, is contained in rhe
Aeronautical Chart Manual (Doc 8697).
CHAPTER 2. GENERAL SPECIFICATIONS
Note.- The Standards and Recommended Practices
contained in this chapter are applicable to all ICAO aeronautical
charts unless otherwise stated in the specifications of
the chart concerned.
2.1 Operational requirements for charts
Note.- For the purposes of this Annex, the total flight is
divided into the following phases:
Phase I - Taxi from aircraft stand to take-off point
Phase 2 - Take-off and climb to en-route ATS route
structure
Phase 3 - En-route ATS route structure
Phase 4 - Descent to approach
Phase 5 - Approach to land and missed approach
Phase 6 - Landing and taxi to aircraft stand.
2.1.1 Each type of chart shall provide information
relevant to the function of the chart and its design shall observe
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