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obstacles included in Annex 14, Volume 1, Chapter 6, are
equally applicable to heliports and winching areas.
5.3.12 Floodlighting of obstacles
Application
5.3.12.1 At a heliport intended for use at night, obstacles
shall be floodlighted if it is not possible to display obstacle
lights on them.
Location
5.3.12.2 Obstacle floodlights shall be arranged so as to
illuminate the entire obstacle and as far as practicable in a
manner so as not to dazzle the helicopter pilots.
Characteristics
5.3.12.3 Recommendation.- Obstacle floodlighting
should be such as to produce a luminance of at least
10 caw.
2511 1104
No. 3
APPENDIX 1. AERONAUTICAL, DATA QUALITY REQUIREMENTS
Table 1. Latitude and longitude
Accuracy Integrity
Latitude and longitude Data type Classification
1 x lo-'
routine
I x
essential
Heliport reference point. ........................
3 m
Navaids located at the heliport.. ................. surveyed
1 x
essential
1 x 10-5
essential
0.5 m
Obstacles in Area 3 ............................ surveyed
Obstacles in Area 2 (the part within the
heliport boundary) .............................
5 m
surveyed
1 x 10-~
critical
1
essential
1 m
Geometric centre of TLOF or FAT0 thresholds ..... surveyed
Ground taxiway centre line points, air taxiway
and transit route points .........................
0.5 m
surveyedicalculated
1
essential
1 10-5
essential
0.5 m
Ground taxiway intersection marking line. ......... surveyed
0.5 m
Ground exit guidance line. ...................... surveyed
1 x lo-)
routine
1 m
Apron boundaries (polygon). .................... surveyed
1 x
routine
I x 10-~
routine
1 m
De-icindanti-icing facility (polygon) .............. surveyed
0.5 m
Helicopter standpoints/INS checkpoints. ........... surveyed
Note I.- See Annex 15, Appendix 8, for graphical illustrations of obstacle data collection surfnces and
criteria used to identify obstacles in the dej?ned amu.
Note 2.- Implementation of Annex 15, provision 10.6.1.2, concerning the availabi[ity, as of 18 November
2010, of obstacle data according to Area 2 and Area 3 specifcations would be facilitated by appropriate
advanced planning for the collection and processing- of such data.
25/11/04
No. 3
ANNEX 14 - VOLUME I1
Annex 14 -Aerodromes Volume I1
Accuracy Integrity
Data type Classification
0.5 m
surveyed
1 x
Heliport elevation ............................. essential
WGS-84 geoid undulation at heliport elevation
position .....................................
1 x
essential
0.5 m
surveyed
1 x
essential
0.5 m
FAT0 threshold, non-precision approaches. ........ surveyed
WGS-84 geoid undulation at FAT0 threshold, TLOF
geometric centre, non-precision approaches. ........
1 x
essential
0.5 m
surveyed
1 x lo4
critical
0.25 m
FAT0 threshold, precision approaches ............ surveyed
1 x lo4
critical
WGS-84 geoid undulation at FAT0 threshold, TLOF
geometric centre, precision approaches ............
0.25 m
surveyed
1 x
essential
Ground taxiway centre line points, air taxiway
and transit route points .........................
1 m
surveyed
1 x 10-5
essential
Obstacles in Area 2 (the part within the
heliport boundary). ............................
3 m
surveyed
1 x
essential
I x
essential
0.5 m
Obstacles in Area 3. ........................... surveyed
3 m
Distance measuring equipment/precision (DMEP) ... surveyed
Note 1.- See Annex 15, Appendix 8, for graphical illustrations of obstacle data collection surfaces and
criteria used to identljL obstacles in the defined areas.
Note 2. - Implementation of Annex 15, provision 10.6.1.2, concerning the availability, as of 18 November
2010, of obstacle data according to Area 2 and A m 3 specifications would be fncilitated by appropriate
advanced planning for the collection and processing of such data.
Table 3. Declination and magnetic variation
Accuracy Integrity
Declinatiodvariation Data type Classification
1 degree 1 x
Heliport magnetic variation ..................... surveyed essential
1 degree 1 x
ILS localizer antenna magnetic variation. .......... surveyed essential
1 degree 1 x
MLS azimuth antenna magnetic variation .......... surveyed essential
25/11/04
No. 3
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