10 - ATM Seminar

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Taxi-Out Metrics Based on Events•Measure system performance with events to monitor changes•Well over ½ of taxi-out duration is excess time•Most of excess taxi-out duration is spent in the departure queuetaxi-out duration (minutes)regionunimpeded excess totalRamp 1.8 8.5 10.3Movement area (pre-queue) 3.6 1.4 5.0Departure queue 6.3 10.7 17.0Runway 1.0 2.2 3.2Total taxi-out 12.7 22.8 35.5Sensis Corporation Proprietary Data – See title page . © Sensis Corporation 201116
Benefits Study at JFK Airport•Before construction time period at 31L/13R•Before any metering in place in March 2010•Allows comparison to other US airports•Time period of study– August 8, 2008 - July 5, 2009– Data for 236 days with 125,034 operations– Data were not available during November, 2008 – January, 2009Sensis Corporation Proprietary Data – See title page . © Sensis Corporation 201117
Page 1 and 2: Benefits of Virtual Queuing atConge
Page 4 and 5: Differences in Taxi-Out Delays: EU
Page 10: Determining Unimpeded Taxi Duration
Page 13 and 14: Automatically-Derived Taxi-Out Rout
Page 15: Departure Taxi-Out EventsPush: 21:4
Page 19 and 20: JFK Airport Runway Layout13R13LAAL/
Page 21 and 22: JFK Departure Management Benefits
Page 23 and 24: Departure Queue Benefits at 22 US A
Page 25 and 26: Issues with Departure Management, I
Page 27 and 28: Main Message•Need same metrics, d

10 - ATM Seminar

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