COVER SHEET TO AMENDMENT 81
INTERNATIONAL STANDARDS
AND RECOMMENDED PRACTICES
AERONAUTICAL
TELECOMMUNICATIONS
ANNEX 10
TO THE CONVENTION ON INTERNATIONAL CIVIL AVIATION
VOLUME IV
SURVEILLANCE RADAR AND COLLISION AVOIDANCE SYSTEMS
THIRD EDITION OF VOLUME IV — JULY 2002
INTERNATIONAL CIVIL AVIATION ORGANIZATION
Checklist of Amendments to Annex 10, Volume IV
Effective date
Date of
applicability
Third Edition
(incorporates Amendments 1 to 77) 15 July 2002 28 November 2002
Amendment 78
(did not affect Volume IV) — —
Amendment 79
(did not affect Volume IV) — —
Amendment 80
(did not affect Volume IV) — —
Amendment 81
(did not affect Volume IV) — —
17/7/06
Transmittal note
Amendment 81
to the
International Standards and
Recommended Practices
AERONAUTICAL TELECOMMUNICATIONS
(Annex 10, Volume IV, to the Convention on International Civil Aviation)
1. Replace page (vii) of Annex 10, Volume IV, (Third Edition) with the attached page, updated to indicate the
issuance of Amendment 81 which becomes applicable on 23 November 2006.
2. Record the entry of this amendment on page (ii).
___________________
Foreword Annex 10 — Aeronautical Telecommunications
(vii) 28/11/02
Table A. Amendments to Annex 10, Volume IV
Amendment Source(s) Subject(s)
Adopted/approved
Effective
Applicable
70 Air Navigation Commission;
Fifth meeting of the Secondary
Surveillance Radar Improvements
and Collision Avoidance
Systems Panel
Creation of Volume IV and introduction of Standards and
Recommended Practices and related guidance material for the
airborne collision avoidance system (ACAS).
20 March 1995
24 July 1995
9 November 1995
71 Air Navigation Commission;
Fourth and fifth meetings of
the Secondary Surveillance
Radar Improvements and
Collision Avoidance Systems
Panel (SICASP)
Changes to material related to SSR Mode S air-ground data link
system and the carriage of SSR transponders.
12 March 1996
15 July 1996
7 November 1996
72 — No change. —
73
(2nd edition)
Air Navigation Commission;
Sixth meeting of the Secondary
Surveillance Radar
Improvements and Collision
Avoidance Systems Panel
(SICASP)
Addition of specifications for the SSR Mode S system;
introduction of material related to the performance of the
collision avoidance logic; changes to guidance material related
to the airborne collision avoidance system; introduction of
Human Factors related material.
19 March 1998
20 July 1998
5 November 1998
74 Air Navigation Commission Note related to the waiving of patent rights on Mode S
extended squitter technique.
18 March 1999
18 March 1999
—
75 — No change. —
76 Seventh meeting of the
Aeronautical Mobile
Communications
Panel (AMCP)
Note related to update of references to the ITU Radio
Regulations.
12 March 2001
12 March 2001
—
77
(3rd edition)
Seventh meeting of the
Secondary Surveillance
Radar Improvements and
Collision Avoidance
Systems Panel (SICASP)
SSR Mode S (Chapters 2 and 3); and ACAS (Chapters 1 and 4). 27 February 2002
15 July 2002
28 November 2002
78 — No change. —
79 — No change. —
80 — No change. —
81 — No change. —
23/11/06
No. 81

Trarzsrnirtal Note
SUPPLEMENT TO
ANNEX 10 - AERONAUTICAL TELECOMMUNICATIONS
VOLUME IV
(SURVEILLANCE RADAR AND COLLISION AVOIDANCE SYSTEMS)
(Third Edition)
1. The attached Supplement supersedes all previous Supplements to Annex 10, Volume IV, and includes differences
notified by Contracting States up to 30 January 2004 with respect to all amendments up to and incIuding
Amendment 78.
2. This Supplement should be inserted at the end of Annex 10, Volume IV (Third Edition). Additional differences
and revised comments received from Contracting States will be issued at intervals as amendments to this
Supplement.
SUPPLEMENT TO
ANNEX 10 - AERONAUTICAL TELECOMMUNICATIONS
Volume IV
(Surveillance Radar and Collision Avoidance Systems)
(Third Edition)
Differences between the nationaI regulations and practices of Contracting States
and the corresponding InternationaI Standards and Recommended Practices
contained in Annex 10, VoIume IV, as notified to ICAO in accordance with
　
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