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Federal Aviation Administration Satellite Data-Link Communication Seminar GOLD Data Analysis 8 February 2012.

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Presentation on theme: "Federal Aviation Administration Satellite Data-Link Communication Seminar GOLD Data Analysis 8 February 2012."— Presentation transcript:

1 Federal Aviation Administration Satellite Data-Link Communication Seminar GOLD Data Analysis 8 February 2012

2 2 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Contents GOLD Data Analysis Overview CPDLC message sets / ADS-C downlink reports Performance Measures Examples of Aggregate CPDLC and ADS-C Monthly Performance RCP240 and RSP180 for SAT, VHF RCP400 and RSP400 for HF Examples of Performance by Specific Factor Station Identifier Operator Operator/Aircraft type/Airframe

3 3 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 GOLD Analysis Overview: CPDLC Message Set The guidance in the Global Operational Data Link Document (GOLD) specifies the message sets to be considered –All uplink communications transfer messages and typical intervention messages such as climb clearances with an observed CPDLC WILCO response attribute are assessed –These messages are considered to be intervention messages critical to the communications used when applying reduced separation standards –Uplink elements containing route clearances (UM79, 80, 83) are removed from message set

4 4 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 GOLD Analysis Overview: CPDLC Performance Measures Actual Communication Performance (ACP) –Total time required by the communication transaction –Begins when the CPDLC uplink message is sent to aircraft –Ends when the WILCO is received Actual Communication Technical Performance (ACTP) –Time required for the message delivery part of the communication transaction, includes: CPDLC clearance uplink transit time WILCO downlink transit time Pilot Operational Response Time (PORT) –Time required for crew response –Estimated by ACP - ACTP

5 5 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 GOLD Analysis Overview: CPDLC Performance Measures

6 6 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 GOLD Analysis Overview: ADS-C Messages and Performance Measure Surveillance Latency –All downlink ADS-C messages are included –Measures transit time for downlink message delivery –Begin time estimated by timestamp of aircraft when sent –End time estimated by timestamp of ATC receipt

7 7 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 In this example: the observed performance meets the 95% criteria but does not meet the 99.9% criteria, the latency of 95% of downlink ADS-C messages in data set is within 37 seconds the latency of 99.9% of downlink ADS-C messages in data set is not within 240 seconds GOLD Analysis Overview: Interpreting GOLD Charts

8 8 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 GOLD Performance Criteria Performance Measure Percent of Messages Required to Meet Criteria RSP180 Criteria (sec) RSP400 Criteria (sec) RCP240 Criteria (sec) RCP400 Criteria (sec) ADS-C Latency 95% % ACTP 95% % ACP 95% % PORT 95%-- 60

9 9 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Examples Monthly Performance

10 10 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012

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12 12 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012

13 13 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Summary of Observed Datalink Media Usage Media Percent of ADS-C Messages Percent of RCP CPDLC Messages SAT86.4%96.2% VHF11.9%1.6% HF1.7%1.2% Mixed Media--1.0%

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16 16 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012

17 17 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Examples Performance by Station Identifier

18 18 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Station/Gateway Identifiers SatelliteGES Location(s)SITAARINC Inmarsat I 3 Aussaguel, France: AOW2 AOE2 -- Eik, Norway: AOW3 AOE3 IOR5 XXE Perth, Australia: POR1 IOR2 -- Santa Paula, California, US:POR4XXC Inmarsat I 4 Fucino, ItalyEUA1XXF Paumalu, HI, US APK1 AME1 XXH MTSATKobe and Hitachiota, JapanMTS1-- IridiumPhoenix, Arizona, USIGW1IG1

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22 22 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Examples Performance by Operator

23 23 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Observed Datalink Performance by Operator July to December 2011 Oper Code Count of ADS-C % of Total ADS-C ADS-C 95% ADS-C 99.9% Count of CPDLC % of Total CPDLC ACTP 95% ACTP 99.9% ACP 95% ACP 99.9% PORT 95% BB63, %99.29%99.49%4, %99.03%99.13%99.01%99.36%95.99% AA61, %99.27%99.73%6, %99.75%99.84%99.36%99.66%96.84% L42, %97.00%99.27%3, %98.76%99.29%97.79%98.41%92.09% FF38, %97.57%99.16%2, %99.05%99.26%98.98%99.32%96.07% DD34, %97.01%99.32%2, %98.95%99.59%97.83%98.43%91.29% GG25, %99.47%99.83%1, %99.74%99.81%99.29% 95.92% EE24, %98.97%99.38%1, %99.46%99.62%98.86%99.24%93.24% HH20, %99.64%99.72%1, %99.61%99.71%99.03%99.42%96.00% R19, %97.13%99.58% %98.72%99.47%99.04%99.68%95.94% JJ18, %99.58%99.92% %100.0% 98.65%98.95%93.69% A15, %95.91%98.70% %98.28%98.63%98.46%98.97%95.03%

24 24 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Observed Datalink Performance by Operator July to December 2011 (Continued) Oper Code Count of ADS-C % of Total ADS-C ADS-C 95% ADS-C 99.9% Count of CPDLC % of Total CPDLC ACTP 95% ACTP 99.9% ACP 95% ACP 99.9% PORT 95% M14, %93.34%96.58% %95.74%96.43%94.37%95.88%91.07% CC14, %97.38%98.71%1, %99.15%99.23%98.81%99.32%94.30% PP11, %98.71%99.79% %99.44%100.0%99.44%99.72%95.69% LL11, %99.08%99.55%1, %99.48%99.55%98.81%99.26%97.24% MM11, %99.75%99.93% %99.64%100.0%99.28%99.46%96.04% KKKK11, %99.82%99.87%1, %99.92% 99.17%99.50%95.51% SS10, %98.29%99.51% %99.60% 98.41%99.01%92.06% ZZZZ9, %94.94%96.30% %98.31%98.79%96.38%96.62%88.65% WW6, %96.44%98.38% %98.05%98.44%97.66%98.05%96.88% DDDD6, %99.93%99.96% %100.0% 99.14%99.83%95.52%

25 25 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Examples Performance by Operator/Aircraft Type

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30 30 Federal Aviation Administration Satellite Data-Link Communication Seminar 8 February 2012 Examples Performance by Operator/Airframe

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