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TITLE |
ITEM
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General
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SUBPART A:
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Applicability |
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Definitions and abbreviations |
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Requirement for certification |
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Application for certification |
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Issue of certificate |
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Privileges of certificate holder |
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Duration of certification |
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Renewal of certificate |
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Impose a penalty, suspension or revocation |
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Certification Requirements
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SUBPART B:
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Personnel Requirements |
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Network protection |
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Documentation |
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Records |
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Internal Quality Assurance |
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Organization Exposition |
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Training |
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Master Re- qualification Requirements skill requirements |
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Message
handling services (ATS MHS) |
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Security
for Telecom |
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CO
– ordination |
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Telecommunication
services |
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Categories
of the telecommunication officers |
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Operating Requirements
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SUBPARTC: |
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Continued
compliance |
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Identification codes and call signs |
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Communication procedures |
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Operating and Maintenance Instructions |
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Deviations |
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Limitations on certification holder |
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Changes to certification holder’s organization |
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OPERATIONS AFS |
SUBPARTD: |
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Division of service |
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Hours
of service |
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Changing normal hours service |
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Requesting change in hours service by and aircraft station |
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Supervision |
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Infringements |
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Serious infringements |
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Unusual
transmission phenomena |
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Superfluous transmissions |
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Interference |
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General |
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Extensions of service |
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Before closing down
|
174.225
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Working regularity in a network |
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Stations other
than continuous hours of operation |
174.229
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Acceptance transmission |
174.231
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The responsibility for determining the
acceptability |
174.233
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|
Messages
is deemed acceptable |
174.235
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The authority in control |
174.237
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Acceptable messages |
174.239
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Acceptance as a single message |
174.241
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Messages
handled for aircraft operating agencies |
174.243
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Messages
be delivered to more aircraft operating agencies |
174.245
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The responsibility for delivery by
aeronautical stations |
174.247
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Formation of delivery |
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Delivery of written messages |
174.251
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Messages originated in the aeronautical mobile service by an aircraft
in flight |
174.253
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Messages requiring transmission over aeronautical mobile service |
174.255
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|
Messages (including air-reports) |
174.257
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|
Messages
(including air-reports) |
174.259
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|
Universal Co-ordinated Time (UTC) |
174.261
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|
Date-time
group |
174.263
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|
Record of communications |
174.265
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|
Recording
the messages |
174.267
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|
Harmful interference |
174.269
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|
Written log |
174.271
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|
Radio log entries |
174.273
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|
Written log correction |
174.275
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Telecommunication logs, written or
automatic |
174.277
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|
Entries |
174.279
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Establishment
of radio communication |
174.281
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|
Minimum power |
174.283
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|
Use of abbreviations and codes |
174.285
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|
Use of abbreviations and codes other than
approved by ICAO |
174.287
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|
Cancellation of messages |
174.289
|
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|
SUBPARTE: |
|
General |
174.301
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|
Material
permitted in AFS messages |
174.303
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|
Messages using the ITA-2 code |
174.305
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|
Messages using IA-5 |
174.307
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The text of message |
174.309
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Wishing of alignment functions |
174.311
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Meteorological
operational channels and meteorological operational Telecommunication networks |
174.313
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|
Categories of messages |
174.315
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|
Distress messages |
174.317
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Urgency messages |
174.319
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Flight safety messages |
174.321
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Meteorological messages |
174.323
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Flight regularity messages |
174.325
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Aeronautical information services |
174.327
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|
Aeronautical administrative messages |
174.329
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|
The selection of priority |
174.331
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|
Service messages |
174.333
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Service messages preparation |
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Priority of service messages |
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Service message previously transmitted |
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Service messages |
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Reply to a service message |
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Text of a service message |
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SS service message |
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Service message |
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Order of priority |
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Messages having the same priority indicator
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Routing of messages. |
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Predetermined diversion routing |
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Diversion routing |
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Disposing traffic over the aeronautical
fixed service |
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Supervision of message traffic |
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Missing channel-sequence numbers |
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Responsibility for transmission of the
message |
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If the channel sequence less than that
expected |
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Correcting the channel sequence number |
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Misrouted messages |
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Receiving a misrouted message |
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Misrouted message |
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Interrupted
circuit |
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Failure of
communications |
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Alternative
circuit |
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Failing
attempts |
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Failing of
radio circuits due to propagation conditions |
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Action be taken in case of radio communication failure |
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Diverted traffic |
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AFTN traffic records |
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AFTN
destination stations |
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Period of
retention of traffic at the AFTN radio station |
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Period of
retention of traffic at the AFTN radio station |
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Acknowledgement |
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Test messages
|
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Messages
using (ITA-2) |
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Heading |
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Contents of
the circuit identification |
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Three digits
channel- sequence numbers |
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The use of
four digit channel sequence number |
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The
transmission identification |
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Teletypewriter
operation |
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Optional service
information |
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Misinterpretation |
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Address |
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Priority
indicator |
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An addressee
indicators |
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Address has
not been allocated an ICAO |
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Message
addressed to an aircraft in flight |
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The complete
address |
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Messages
offered in page copy |
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Completion of each line of addressee |
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Origin |
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The filling
time |
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The origin
indicator |
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Organization
has not been allocated an ICAO |
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Message
originated by an aircraft in flight |
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Messages
relayed over AFTN |
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The priority
alarm |
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The inclusion
of optional data |
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The presence
of the optional data |
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Additional
addressing information in a message |
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Separate address
for service messages |
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The origin
line |
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Drafted
messages |
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|
Beginning of the text |
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ICAO three
letter designator |
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ICAO three letter designator YXY, YYY or ZZZ |
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ICAO three letters designator (s) YXY, YYY or ZZZ |
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Alignment
function |
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Teletypewriter operation |
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Error cases |
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Action be taken before
the local delivery |
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The end of text |
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The length of
text |
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The ending |
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AFTN messages |
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Stripped
address |
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Characters
and spaces |
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Line of the
text of a message |
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Channel-check
transmissions |
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Periodical
check |
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In case of
periodical check not received |
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Channel check
transmission |
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|
Channel check
transmission |
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Action be
taken in case of multichannel circuits |
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Automatic
error correction |
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Periodical
responsibility |
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Predetermined
responsibility list |
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In case of containing identical location indicator in the address |
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AFTN message
originator not capable of handling service messages |
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Form of
transmission |
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Message format
|
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The heading
line |
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Re-processing
procedures |
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Transmission of address |
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Acknowledgement of
receipt |
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The receipt
of distress messages |
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Repetition of
multi-address message |
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During the
re-transmission of a message |
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Receiving service
Message for mutilated message |
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Before
re-transmission is commenced |
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After a message has been transmitted |
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If after transmission
of the text |
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Incomplete end of
message signal |
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Relay stations |
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Receiving completely mutilated address line |
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The text of this service message |
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The priority alarm |
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The inclusion of optional data |
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The presence
of the optional data |
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Additional
addressing information in a message |
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|
Separate
address for service messages |
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The origin
line |
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|
Drafted
messages |
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|
Beginning of
the text |
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|
ICAO three
letter designator |
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|
ICAO three
letter designator YXY, YYY or ZZZ |
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|
ICAO three
letters designator (s) YXY, YYY or ZZZ |
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Alignment
function |
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Teletypewriter
operation |
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Error cases |
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Action be taken before
the local delivery |
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The end of text |
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The length of
text |
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The ending |
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AFTN messages |
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Stripped
address |
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Characters
and spaces |
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Line of the text of a message |
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|
Channel-check transmissions |
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Periodical
check |
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In case of
periodical check not received |
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Channel check
transmission |
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|
Channel check
transmission |
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Action be
taken in case of multichannel circuits |
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|
Automatic
error correction |
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Periodical
responsibility |
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Predetermined
responsibility list |
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In case of
containing identical location indicator in the address |
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AFTN
message originator not capable of handling service messages |
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Form of transmission |
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Message format |
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The heading line |
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Re-processing
procedures |
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Transmission of address |
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Acknowledgement of
receipt |
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The receipt of distress
messages |
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Repetition of
multi-address message |
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During the
re-transmission of a message |
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Receiving service Message for mutilated
message |
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Before re-transmission
is commenced |
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After a message has been transmitted |
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If after transmission of the text |
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Incomplete end of message signal |
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Relay stations |
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Receiving completely mutilated address line |
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The text of this service message |
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Resuming the responsibility |
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Length of messages other than 8 letters |
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Service requesting correction in errors |
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Station receiving a service message |
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Unknown addressee indicator |
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Correct addressee indicator |
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The first relay station |
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The text of this service message |
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Action be taken on a service message |
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Receiving incorrect originator indicator |
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Text of the service message |
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The station receiving a service message |
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Typing of the ending |
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Predetermined distribution system |
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Predetermined distribution addressee
indicator (PDAI) |
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AFTN messages carrying predetermined
addressee indicator |
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States shall send their list of selected
predetermined list |
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The list of addressee indicator of (PDAI) |
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Message format |
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Heading |
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On point-to-point circuits |
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Channel sequence numbers |
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|
The expansion of the channel-sequence number |
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|
The transmission identification |
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|
Additional service information |
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|
Address |
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The priority indicator |
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Order of priority |
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Addressee indicator |
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Message be addressed to an organization |
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Message be addressed to an aircraft in flight |
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Three address lines |
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The completion of the addressee indicator |
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Messages offered on page copy |
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Origin |
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The filing time |
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The originator indicator |
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Message originated by an organization |
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Messages relayed over the AFTN |
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|
Message originated by an aircraft in flight and
requesting handling over AFTN |
|
|
The priority alarm |
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|
The inclusion of optional data |
|
|
The presence of the optional data |
|
|
Exchanging of additional addressing
information |
|
|
Modifier SVC |
|
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The origin line |
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The text |
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Originator’s reference |
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|
ICAO three-letter designators |
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|
ICAO three-letter designators |
|
|
ICAO three-letter designator(s) |
|
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An alignment function |
|
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Corrections on page copy |
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The text of messages |
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|
Ending |
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Station terminal equipment (page printers) |
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|
Message does not transit ITA-2 |
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|
Messages length |
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|
Procedures for messages using IA5 cod |
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Reserved |
174.669 Through 174.677 |
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Transfer of AFTN messages |
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Starting of the messages |
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The end of the messages |
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The purposes of technical supervision |
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Technical supervision |
|
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The ATS message handling service |
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Inter-Centre Communications (ICC) |
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|
The highest standard of discipline |
|
|
ICAO standardized phraseology |
|
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The transmission of messages |
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Human performance |
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Test signals |
|
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Exception |
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Elapsed period |
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When an aeronautical station is called
simultaneously by several aircraft stations |
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|
Communications between aircraft stations |
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|
The categories of messages handled by the
aeronautical mobile service |
|
|
Distress message |
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|
Urgency messages |
|
|
Flight safety messages |
|
|
Meteorological messages |
|
|
Flight regularity messages |
|
|
Messages having the same priority |
|
|
Incomplete transmissions |
|
|
Held pending correction |
|
|
Cancellation |
|
|
Language |
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|
The English language |
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|
Language |
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Spelling |
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All numbers |
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All numbers |
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|
All numbers |
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|
Verification |
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|
Transmission of numbers |
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|
Transmission conduct |
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|
Speech transmitting technique |
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|
Words and phrases |
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|
Messages handled entirely by the
aeronautical mobile service |
|
|
Messages requiring handling by the AFTN |
|
|
Messages originated in an aircraft |
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|
Specification of the text 174.763 Specification of the text |
|
|
Message to be addressed to an aircraft in
flight |
|
|
The aeronautical mobile service transmission |
|
|
Call sign of the aeronautical mobile service |
|
|
Units of service |
|
|
Types of aircraft identification |
|
|
Abbreviated call signs |
|
|
Radiotelephony procedures174.777
Radiotelephony procedures |
|
|
Precautions for the safety |
|
|
Intervals of using full radio call sign |
|
|
The replay for the calls |
|
|
Communications |
|
|
Abbreviated radiotelephony call signs communication |
|
|
After contact has been established |
|
|
In order to avoid confusion |
|
|
Exchange of communications |
|
|
Abbreviated procedures |
|
|
Acknowledgement of receipt. |
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|
contents of acknowledgement |
|
|
Acknowledgement of receipt. |
|
|
End of conversation |
|
|
Correctness of errors |
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|
Correctness of errors |
|
|
Correctness of errors |
|
|
Correctness of errors |
|
|
Correctness of errors |
|
|
Correctness of errors |
|
|
Correctness of errors |
|
|
Communications watch/ Hours of service during flight |
|
|
Watching hours service |
|
|
Suspension of operation |
|
|
Suspension of operation174.825 Suspension of
operation |
|
|
Operational frequency for an aircraft174.827
Operational frequency for an aircraft |
|
|
Operation frequency for the aeronautical
radio station |
|
|
The consideration for designating radio
frequency |
|
|
Action be taken if the designated frequency
proves unsuitable |
|
|
Establishment of communications |
|
|
In case of communication from aeronautical station cannot be
established |
|
|
Transferred communication |
|
|
Transferred communication |
|
|
After establishing initial call |
|
|
Communications failure (Air-ground) |
|
|
Communications failure -Air-ground |
|
|
Action be taken in case of an aircraft
station unable to establish communication |
|
|
Action be taken by the pilot in command |
|
|
Aircraft unable to establish communication |
|
|
Ground-to-air communication |
|
|
Action be taken by the aeronautical
station |
|
|
Blind transmission |
|
|
Blind transmission |
|
|
Radio communication failure |
|
|
Distribution of air reports |
|
|
Forwarding messages to an aircraft in flight |
|
|
Unable to dispose the messages |
|
|
The aeronautical station forwarding the
message |
|
|
Distress and urgency messages |
|
|
Distress and urgency signals |
|
|
Distress and urgency signals |
|
|
Distress message174.879 Distress message |
|
|
No acknowledgement |
|
|
Distress and urgency frequencies |
|
|
Rate of speed for distress and urgency messages |
|
|
Action by the aircraft in distress |
|
|
First station acknowledging the distress |
|
|
Imposition of silence |
|
|
Station using the distress and urgency
signals174.893 Station using the distress and urgency signals |
|
|
Distress message |
|
|
Station acknowledging the distress |
|
|
Termination of distress communications |
|
|
Station controlled the distress
communication |
|
|
Silence conditions |
|
|
Aircraft reporting the urgency condition |
|
|
Action by the station addressed or first station acknowledging the urgency message |
|
|
Action by all other stations |
|
|
Action by an aircraft used for medical transport |
|
|
Announcing and identifying the medical transport |
|
|
Action by the station addressed or by other
stations receiving medical transport |
|
|
Communications related to acts of unlawful interference |
|
|
Broadcast material |
|
|
Frequencies and schedules |
|
|
Schedules and frequencies of all broadcasts |
|
|
Scheduled broadcasts |
|
|
After definite advice |
|
|
Where broadcasts are conducted on a time allotment basis |
|
|
In sequential collective type broadcasts |
|
|
Interruption of service |
|
|
Radiotelephone broadcast |
|
|
Rate of speech on radiotelephone broadcasts |
|
|
Preamble of the general call |