POLICY &
DOCUMENTATION
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POLICY & DOCUMENTATION
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Operational Requirements for facilities or services
are established through Regional Air Navigation
Agreement and are indicated in the Regional Air
Navigation Plan.
Asia and Pacific Regions Air Navigation Plan (Doc
9673)
Since 1997, the Plan is in two volumes
 Volume I – Basic ANP
 Volume II – Facilities and Services Implementation
Document (FASID)
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ATN Transition Plan envisages increase Bandwidth
and upgraded protocols for trunk circuits
ATN development to be in evolutionary and cost
effective manner
ATN infrastructure expected to be implemented in
three phases
 Phase 1: Upgrade existing AFTN circuits where necessary to
support the introduction of the ATN Backbone Boundary
Intermediate Systems (BBIS)
 Phase 2: Implementation of the ATN regional BBIS and
 Phase 3: Implementation of supporting ATN BIS
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States should consider establishment of gateways,
where required to allow inter-operation between
AFTN and ATS MHS
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Asia and Pacific Regions Air Navigation Plan (Doc 9673), Volume II
called Facilities and Services Implementation Document (FASID)
contains details of the facilities and services required to be provided in
order to fulfill the basic requirements of the plan and are as agreed
between the provider and the user States concerned.
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Such agreements indicate a commitment on the part of the State(s)
concerned to implement the requirement(s) specified.
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Most of the ASIA/PACIFIC FASID originated from the recommendations
of the Third ASIA/PAC Regional Air Navigation Meeting (ASIA/PAC
RAN/3) held in Bangkok in 1993 and Conclusions of Asia Pacific
Planning and Implementation Regional Group.
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Part IV of Asia and Pacific Regional ANP, Volume II lists the
Communication, Navigation and Surveillance facilities and services
needed to fulfill the requirements of Plan.
TABLE/CHART
TABLE/CHART NAME
Table CNS - 1 A
AFTN Plan
Chart CNS - 1 A
Rationalized AFTN Plan
Table CNS – 1 B
ATN Router Plan
Chart CNS – 1 B
ATN Router Plan
Table CNS – 1 C
ATS Message Handling Services (AMHS) Routing Plan
Chart CNS – 1 C
ATS Message Handling Services (AMHS) Routing Plan *
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Additional Tables and Charts for Communication Facilities and Services
are given below:
TABLE/CHART
TABLE/CHART NAME
Table CNS - 1 D
ATS Direct Speech Circuit Plan
Chart CNS - 1 D
ATS Direct Speech Circuit Plan
Table CNS – 1 E
ATS Interfacility Data Communication (AIDC) Routing Plan
Table CNS – 2
Aeronautical Mobile Service (AMS) and Aeronautical Mobile
Satellite Service (AMSS) Plan
Chart CNS – 2
HF en-route Radio Telephony Network
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FASID Tables and Charts for the Navigation and Surveillance Facilities
and Services are given below:
TABLE/CHART
TABLE/CHART NAME
Table CNS - 3
Table of Radio Navigation Aids
Chart CNS – 3 A
En-route Radio Navigation Aids
Chart CNS – 3 B
Aids to Final Approach and Landing
Table CNS – 4 A
Surveillance Systems
Chart CNS – 4 B
ATS Automation Systems
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First version of the Documentation Tree was
developed by ATN Task Force in 2002 and was
adopted by APANPIRG through its Conclusion
13/14.
The tree was further developed in 2003, 2004 and
2005 to include the updated planning documents
Currently Version – 3 is available on the website
indicated
The Document Tree contains all the ATN
implementation related documents except ICAO
Annex 10, ICAO Doc 9705, Doc 9880, Doc 9796
and Doc 9739.
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In order to provide guidance to the States on the
matters relating to the implementation of
Aeronautical Telecommunication Network (ATN) in
the region and to ensure uniform and harmonious
deployment, APANPIRG adopted a Regional
Strategy in its Sixteenth Meeting held in Bangkok
from 22 to 26 August, 2005.
APANPIRG/17 held in Bangkok from 21 to 25
August revised this Strategy and included the
provision of dual stack (OSI and IPS) for the region.
Strategy is being reviewed to consider the
developments that are taking place currently
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In addition to the guidance material developed by ICAO
HQ, Asia and Pacific Region has developed additional 25
ATN Related documents since 1999.
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These documents can be accessed on ICAO Asia and
Pacific Region Website at the address
 http://www.bangkok.icao.int or
 http://www.icao.or.th
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Some of the documents can be accessed using password
only. This password is known to the ATN Focal Points in
your administration.
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