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for the aeroplanes that are intended to operate at the aerodrome.
The code is not intended to be used for determining
runway Iength or pavement strength requirements. The code is
composed of two elements which are related to the aeroplane
performance characteristics and dimensions. Element 1 is a
number based on the aeroplane reference field length and
element 2 is a letter based on the aeroplane wing span and
outer main gear wheel span. A particular specrfication is
related to the more appropriate of the two elements of the code
or to an appropriate combination of the two code elements. The
code letter or number within an element selected for design
purposes is related to the critical aeroplane characteristics for
which the facility is provided. When applying Annex 14,
Volume I, the aeroplanes which the aerodrome is intended to
serve are first identifed and then the two elements of the code.
1.6.1 An aerodrome reference code - code number and
letter - which is selected for aerodrome planning purposes
shall be determined in accordance with the characteristics of
the aeroplane for which an aerodrome facility is intended.
1.6.2 The aerodrome reference code numbers and letters
shall have the meanings assigned to them in Table 1-1.
1.6.3 The code number for element 1 shall be determined
from Table 1-1, column 1, selecting the code number
corresponding to the highest value of the aeroplane reference
field lengths of the aeroplanes for which the nmway is
intended.
Note.- The determination of the aeroplane reference field
length is solely for the selection of a code number and is not
intended to influence the actual runway length provided.
1.5 Airport design
1 .5.1 Architectural and infrastructure-related requirements
for the optimum implementation of international civil
aviation security measures shall be integrated into the design
and construction of new facilities and alterations to existing
facilities at an aerodrome.
Note.- Guidance on all aspects of the planning of
aerodromes including security considerations is contained in
the Airport Planning Manual, Part 1.
1.5.2 Recommendation.- The design of aerodromes
should take into account, where appropriate, land-use and
envimnmental contml measures.
1.6.4 The code letter for element 2 shall be determined
from Table 1-1, column 3, by selecting the code letter which
corresponds to the greatest wing span, or the greatest outer
main gear wheel span, whichever gives the more demanding
code letter of the aeroplanes for which the facility is
intended.
Note.- Guidance to assist the appropriate authority in
determining the aerodrome reference code is given in the
Aerodrome Design Manual, Parts 1 and 2.
* IS0 Standard Note.- Guidance on land-use planning and environmental 19 104, Geographic informalion - Terminology
control measures b contained in the Airport Planning Manual, 191 08, Geographic information - Temporal schema
Part 2.
2411 1105
No. 7
Annex 14 - Aerodromes Volume I
Table 1-1. Aerodrome reference code
(see 1.6.2 to 1.6.4)
- - --
Code element 1 Code element 2
Code Aeroplane reference Code Outer main gear
number field length letter Wing span wheel spana
(1) (2) (3) (4) ( 5 )
1 Less than 800 m A
2 800 m up to but not B
including 1 200 m
3 1 200 m up to but not C
including 1 800 m
4 1 800 m and over D
a. Distance between the outside edges of the main gear wheels.
Up to but not
including 15 m
15 m up to but not
including 24 m
24 m up to but not
including 36 m
36 m up to but not
including 52 m
52 m up to but not
including 65 m
65 m up to but not
including 80 m
Up to but not
including 4.5 m
4.5 m up to but not
including 6 m
6 m up to but not
including 9 m
9 m up to but not
including 14 m
9 m up to but not
including 14 m
14 m up to but not
including 16 m
Note.- Guidance on planning for aeroplanes with wing spans greater than 80 rn is given in the Aerodrome Design Manual,
Parts I and 2.
CHAPTER 3. PHYSICAL CHARACTERISTICS
3.1 Runways
Number and orientation
of runways
Intmductory Note.- Many factors affect the determination
ojthe orientation, siting and number of runways.
One important factor is the usability factor, as determined
by the wind distribution, which is specified hereunder. Another
important factor is the alignment of the runway to facilitate the
pmvision of approaches conforming to the approach surface
s@ifications of Chapter 4. In Attachment A. Section I, information
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