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surveyed
critical
1 x 10-8
WGS-84 geoid undulation at FAT0 threshold,
TLOF geometric centre, precision approaches. . . . . . .
0.25 m or 1 ft
surveyed
critical
1 x 10-8
essential
1 x
Obstacles in the approach and take-off areas. ... I m o r l f t
surveyed
Obstacles in the circling areas and at the heliport. ... I m or I ft
surveyed
essential
1 x 10-5
Distance measuring equipmentlprecision (DMEP) 3 m (I0 ft)
surveyed
essential
1 x
. -.
Table 3. Declination and magnetic variation
Accuracy
Data type
Classificalion
Integrity
Heliport magnetic variation.. . . . . . . . . . . . . . . . . . . . . 1 degree
surveyed
essential
1 x 10.5
ILS localizer antenna magnetic variation. . . . . . . I degree
surveyed
essential
1 x
MLS azimuth antenna magnetic variation . . . . . . . . . . 1 degree
surveyed
essential
I x lov5
611 1/97
No. 2
Appendix I Annex 14 - Aerodromes
Table 4. Bearing
Accuracy Classification
Bearing Data type Integrity
1 / 100 degree essential
ILS localizer alignment. . . . . . . . . . . . . . . . . . . . . . . . . surveyed 1 x 1 0 ' ~
1 1 I 00 degree essential
MLS zero azimuth alignment . . . . . . . . . . . . . . . . . . . . surveyed I x 1 0 . ~
Ill DO degree routine
FATObearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . surveyed 1 x 1 0 . ~
Table 5. Length/distanceldimension
Accuracy
Length/distance/dimension Data type
FAT0 length. TLOF dimensions . . . . . . . . . . . . . . . . . I m o r l ft
surveyed
Classification
Integrity
-
critical
I x 10-8
Landing distance available . . . . . . . . . . . . . . . . . . . . . . I m o r l fr
surveyed
critical
1 x l o g
ILS localizer antenna-FAT0 end, distance. . . . . . . . . . 3 m (lo ft)
calculated
routine
I x
ILS glide slope antenna-threshold.
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
routine
I x lo-?
ILS markers-threshold distance. . . . . . . . . . . . . . . . . . . 3 m (10 ft)
calculated
essential
I x 10.5
ILS DME antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
essential
I x
MLS azimuth antenna-FAT0 end, distance. . 3 m (10fi)
calculated
routine
I x 10-3
MLS elevation antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . .
3 m(lOft)
calculated
routine
I
MLS DMEIP antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
essential
I 10-5
- END -
611 1/97
No. 2
COVER SHEET TO AMENDMENT 3
INTERNATIONAL STANDARDS
AND RECOMMENDED PRACTICES
AERODROMES
ANNEX 14
TO THE CONVENTION ON INTERNATIONAL CIVIL AVIATION
VOLUME I1
HELI[PORTS
SECOND EDITION - JULY 1995
INTERNATIONAL CIVIL AVIATION ORGANIZATION
Checklist of Amendments to Annex 14, Volume I1
Date of
Efective date applicability
Second Edition
(incorporates Amendment 1)
Amendment 2
(adopted by the Council on 21 March 1997)
24 July 1995 9 November 1995
21 July 1997 6 November 1997
Amendment 3
(adopted by the Council on 27 February 2004) 12 July 2004 . 25 November 2004
Replacement pages (iii), (iv), (viii), (ix), 1 to 4B, 40,45 to 48,
51 to 53
Transmittal note
Amendment 3
to the
International Standards and Recommended Practices
AERODROMES
( h e x 14, Volume II, to the Convention on International Civil Aviation)
1. Insert the following replacement pages in h e x 14, Volume 11, (Second Edition) to incorporate
Amendment 3 which becomes applicable on 25 November 2004:
a) Pages (iii) and (iv)
b) Pages (viii) and (ix)
c) Pages 1 to 3
d) Pages 4 to 4B
e) Pages 40,45 to 48
f ) Pages 51 to 53
- Table of Contents
- Foreword
- Chapter 1
- Chapter 2
- Chapter 5
- Appendix 1
2. Record the entry of this amendment on page (ii).
TABLE OF CONTENTS
Page
Abbreviations and symbols; manuals ............... (v)
FOREWORD ................................. (vii)
CHAPTER 1 . General ......................... 1
1.1 Definitions ............................. 1
1.2 Applicability ............................ 2
1.3 Common reference systems ................ 2
1.3.1 Horizontal reference system ......... 2
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