Last Month's ATN Performance Metrics

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This page shows the set of data link performance statistics at the level of the ATM Network (i.e. in principle all ANSPs but currently only Maastricht UAC and Skyguide are providing data) for all ATN equipped aircraft for May 2013. As the tool to create these metrics is still under test and validation not all the metrics are available yet. There is a corresponding set of graphs for FANS equipped aircraft and a further limited set of graphs that show the trend of these metrics over the preceding year.

Click on the graph to bring up a description of what the metric is measuring.


General Performance Measures

Technical Round Trip Delay (Sept 2013)

 The Technical Round Trip Delay Month in Detail

Trend over past year.

Provider Aborts Count (August 2013)

Total Provider Aborts No. of CPDLC Sessions PAs as a Percentage
1022 6020 16.00%

Trend over past year.

CPDLC Technical Error Counts

Error Message Total
Not
Available
Yet

Trend over past year.

Context Management


DLIC Initiation Logon Counts (August 2013)

 DLIC Initiation Logon Counts Month in Detail

Trend over past year.

DLIC Contact Transaction Delay (August 2013)

 DLIC Contact Transaction Delay Month in Detail

Trend over past year.

DLIC Contact Continuity

DLIC Contact Expired Transactions Total No. Of DLIC Contact Transactions Continuity
Not available yet

Trend over past year.


CPDLC Ground Initiated Transactions

CPDLC Ground Initiated Transaction Delay (August 2013)

 CPDLC Ground Initiated Transaction Delay

Trend over past year.


CPDLC Ground Initiated Continuity

Expired Events Total Transactions Continuity
Not yet available

Trend over past year.


CPDLC Uplink Message Usage (August 2013)

 CPDLC Uplink Message Usage Trend

Trend over past year.

Uplink Error Counts (August 2013)

Error Text Count
ATC TIMEOUT - REPEAT REQUEST 95
CONTROLLER TERMINATED CPDLC - USE VOICE 11
CPDLC MESSAGE FAILED - USE VOICE 137
CPDLC TRANSFER NOT COMPLETED - REPEAT REQUEST 6
DOWNLINK DELAYED - USE VOICE 97
DOWNLINK MESSAGE REJECTED - SEND 2 ELEMENTS MAX. 1
DOWNLINK TIMESTAMP INDICATES FUTURE TIME 159
DOWNLINKED REQUEST CLOSED BY CONTROLLER - USE VOICE 59
DOWNLINKED RESPONSE RECEIVED AFTER TIMEOUT - USE VOICE 22
ELEMENT COMBINATION REJECTED - USE VOICE 5
LEVEL REQUEST REJECTED - REPLY TO LEVEL UPLINK FIRST 2
REQUEST AGAIN WITH NEXT UNIT 1
ROUTE REQUEST REJECTED - REPLY TO ROUTE UPLINK FIRST 7
TOO MANY LEVEL REQUEST - EXPECT ONLY ONE REPLY 1
TOO MANY ROUTE REQUEST - EXPECT ONLY ONE REPLY 2
TOO MANY ROUTE REQUESTS - EXPECT ONLY ONE REPLY 1
TRANSFER SUPPORT REQUEST REJECTED - REPLY TO TRANSFER SUPPORT UPLINK FIRST 5

Trend over past year.

CPDLC Air Initiated Transactions

CPDLC Air Initiated Transaction Delay

 CPDLC AirInitiated Transaction Delay

Trend over past year.


CPDLC Air Initiated Continuity

Expired Events Total Transactions Continuity
Not available yet

Trend over past year.

CPDLC Downlink Message Usage (August 2013)

 CPDLC Downlink Message Usage Trend

Trend over past year.

Downlink Error Counts (August 2013)

Error Text Count
AIR SYSTEM TIMEOUT 87
AIRCREW HAS INHIBITED CPDLC 87
UPLINK DELAYED IN NETWORK AND REJECTED. RESEND OR CONTACT BY VOICE 564

Trend over past year.