Annex 14 Presentation Chapter 2
Annex 14 Presentation Chapter 2
Annex 14 Presentation Chapter 2
Aerodrome Data
Examples:
Elevation of runway threshold (precision approach runway): Accuracy – 0.5
m, Integrity level 1 × 10-8
Runway length/width: Accuracy – 1 m, Integrity level 1 × 10-8
Recommendation.—
The aerodrome reference temperature should be the
monthly mean of the daily maximum
temperatures for the hottest month of the year.
The hottest month being that which has the highest monthly
mean temperature.
This temperature should be averaged over a period of
years.
April 19 ICAO Annex 14 Training Course 8
Chapter 2. Aerodrome Data
2.5 Aerodrome dimensions and related
information
The following data shall be measured for each facility provided on
an aerodrome:
a) Runway:
- true bearing to one-hundredth of a degree;
- designation number;
- length, width and displaced threshold to the nearest metre
or foot;
- slope;
- surface type;
- type of runway (non-instrument, non-precision etc.);
- the existence of an obstacle free zone when provided (for a
precision approach runway category I)
ACN
Aircraft Type MTOW Flexible Pavement Rigid Pavement
/Main wheel OWE Subgrade Subgrade
configuration TP CBR% k in MN/m3
A B C D A B C D
15 10 6 3 k150 k80 k40 k20
A330-300 212000 55 60 69 94 47 54 64 75
DT 121870 29 30 33 41 28 27 31 36
580
A340-300 271000 59 64 74 100 50 58 69 80
DT 129300 24 25 28 34 25 24 26 30
1380
B747-400 386800 56 62 77 99 51 61 73 83
DT 176860 21 22 25 32 19 22 25 29
1400
B757-200 100200 27 30 36 49 25 30 36 41
DT 56900 13.5 14 16 22 12 14 16 19
1116
B767-200 141520 37 40 48 66 32 38 45 53
DT 80890 18.7 19 22 28 16 18 21 25
1172
Code
High: no pressure limit W
Medium: pressure limited to 1.50 Mpa X
Low: pressure limited to 1.00 Mpa Y
Very low: pressure limited to 0.50 MPa Z
e) Evaluation method
Code
Technical evaluation: T
representing a specific study of the pavement characteristics and application of
pavement behaviour technology.
Using aircraft experience: U
representing a knowledge of the specific type and mass of aircraft satisfactorily
being supported under regular use.
Declared distances
Declared distances
April 19 ICAO Annex 14 Training Course 29
Chapter 2. Aerodrome Data
2.8 Declared distances
Calculation of declared distances.
(ii) Take-off distance available (TODA)
Where there is no designated CWY, the part of the runway strip
between the end of the runway and the runway strip end is included as
part of the TODA.
TODA =TORA + RWY Strip length
Declared distances
April 19 ICAO Annex 14 Training Course 31
Chapter 2. Aerodrome Data
2.8 Declared distances
Calculation of declared distances (continued)
(iv) Landing distance available (LDA) is defined as the length
of runway available for the ground run of a landing aeroplane.
The LDA commences at the runway threshold.
Neither SWY nor CWY are involved.
LDA = Length of RW (if threshold is not displaced.)
Water on a runway
Recommendation.— Whenever water is present on a runway, a
description of the runway surface conditions on the centre half of
the width of the runway, including the possible assessment of water
depth, where applicable, should be made available using the
following terms:
DAMP — the surface shows a change of colour due to
moisture.
WET — the surface is soaked but there is no standing
water.
WATER PATCHES — significant patches of standing water
are visible.
FLOODED — extensive standing water is visible.