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the specifications are followed.
This document sets forth the minimum aerodrome specifications
for aircraft which have the characteristics of those
which are currently operating or for similar aircrafl that are
planned for introduction. Accordingly, any additional safeguards
that might be considered appropriate to provide for
more demanding aircrafl are not taken into account. Such
Accuracy. A degree of conformance between the estimated or
measured value and the true value.
Note.- For measured positional data, the accuracy is
normally expressed in terms of a distance fiom a stated
position within which there is a &fined confidence of the true
position falling.
Aerodrome. A defined area on land or water (including any
buildings, installations and equipment) intended to be used
either wholly or in part for the amval, departure and
surface movement of aircraft.
matters are lefl to appropriate authorities to evaluate and take Aerodrome beacon. Aeronautical beacon used to indicate the
into account as necessary for each particular aerodrome. location of an aerodrome from the air.
Guidance on some possible effects offiture aircrafl on these
specifcations is given in the Aerodrome Design Manual, Aerodrome certijicate. A certificate issued by the appropriate
Part 2. authority under applicable regulations for the operation of
an aerodrome.
It is to be noted that the specifcationsfor precision approach
runways categories II and III are only applicable to runways Aerodrome elevation. The elevation of the highest point of the
intended to be used by aeroplanes in code numbers 3 and 4. landing area.
Annex 14, Volume I, does not include specifications relating Aerodrome identification sign. A sign placed on an aeroto
the overall planning of aerodromes (such as separation drome to aid in identifying the aerodrome from the air.
between adjncent aerodromes or capacity of individual
aerodromes), impact on the environment, or to economic and Aerodrome reference point. The designated geographical
other non-technical factors that need to be considered in the location of an aerodrome.
development of an aerodrome. Information on these subjects is
included in the Airport Planning Manual, Part 1. Guidance Aerodrome trafic density.
material on the environmental aspects of the development and
operation of an aerodrome is included in the Airport Planning a) Light. Where the number of movements in the mean
Manual, Part 2. busy hour is not greater than 15 per runway or typically
less than 20 totaiaerodrome movements.
Aviation security is an integral part of aerodrome planning
and operations. Annex 14, Volume I, contains several b) Medium. Where the number of movements in the mean
specifcations aimed at enhancing the level of security at busy hour is of the order of 16 to 25 per runway or
aerodromes. Specifications on other facilities related to typically between 20 to 35 total aerodrome movements.
ANNEX 14 - VOLUME I 1-1 24/11/05
No. 7
Annex 14 -Aerodromes Volume I
c) Healy. Where the number of movements in the mean
busy hour is of the order of 26 or more per runway or
typically more than 35 total aerodrome movements.
Note 1.- The number of movements in the mean bwy hour
is the arithmetic mean over the year of the number of
movements in the daily busiest hour.
Note 2.- Either a take-off or a landing constitutes a
movement.
Aeronautical beacon. An aeronautical ground light visible
at all azimuths, either continuously or intermittently, to
designate a particular point on the surface of the earth.
Aeronautical ground light. Any light specially provided as an
aid to air navigation, other than a light displayed on an
aircraft.
Aeroplane reference field length. The minimum field length
required for take-off at maximum certificated take-off
mass, sea level, standard atmospheric conditions, still air
and zero runway slope, as shown in the appropriate
aeroplane flight manual prescribed by the certificating
authority or equivalent data from the aeroplane manufacturer.
Field length means balanced field length for
aeroplanes, if applicable, or take-off distance in other cases.
Note.- Attachment A, Section 2 provides information on
the concept of balanced field length and the Airworthiness
Manual (Doc 9760) contains detailed guidance on matters
related to take-off distance.
Aircrcrfr classification number (ACN). A number expressing
the relative effect of an aircraft on a pavement for a
specified standard subgrade category.
Note.- The aircrafl classifcation number is calculated
with respect to the center of gravity (CG) position which yields
the critical loading on the critical gear. Nonnally the aflmost
 
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