6.8 SUMMARY OVERVIEW ................................................................................................... D-6-5

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Live ATC Trials are probably the least used validation method. Generally, this is because it is perceived as carrying the highest risks despite providing what is probably the highest degree of realism. When used, Live Trials tend to be aimed at assessing a very specific factor such as a SID or STAR, a new Terminal Area Procedure or a new Sector design with a very limited traffic sample.
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Live trials take place and are part of real-time air traffic operations using new/re-designed procedures (routes, airspace, etc) for a selected number of participants, in restricted condition and under a close supervision.
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6.3.1 LIVE TRIALS ADVANTAGES
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it is the most accurate validation method

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real data are collected

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gather feed-back from all users

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good acceptance of the results by the users

6.3.2 LIVE TRIALS LIMITATION
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safety implication

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very detailed required

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limited scope

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limited flexibility

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In this particular case the objectives are directly linked to the feasibility of the design implementation and they should follow the next principles: . objectives should be specific . objectives should be measurable
.  a clear deadline should be set for the completion of trials
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6.5.1 PREPARE DATA COLLECTION
Data collection method available for live trials:
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debriefings, questionnaires, interviews

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data recorded by ground systems (noise monitoring system records, radar tracks records, RT records, etc)

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data recorded by airborne systems (flight recorders, etc)

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6.5.2 PREPARATION OF LIVE TRIALS
Because live trials take place and are part of live operations, the preparatory phase is very important if objectives are to be achieved without compromising required levels of safety.
The preparation phase should involve all the participants and specific tasks and safety responsibility should be acknowledged by each of them.
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National Regulator:

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establish legal framework (liabilities, certification, other legal aspects)
　
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本文鏈接地址：EUROCONTROL MANUAL FOR AIRSPACE PLANNING 2(108)