IP21 SIMULATION RESULT BY DARP FOR KSFO/KLAX (IPACG/40) ENRI.

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Presentation transcript:

IP21 SIMULATION RESULT BY DARP FOR KSFO/KLAX (IPACG/40) ENRI

Background  DARP trial which has been carried out since August 22, 2013 brings some benefits.  At IPACG 38 and 39, ANA reported outcome from DARP trial of the arrival flight from PHNL/KLAX to RJTT/RJAA.  However, the number of flight applies DARP is not so many.  ENRI simulated the situation which almost flight tries DARP in the future for eastbound traffic.

Simulation about DARP Weather Forecast (before 6hours) Flight Plan Data Weather (Observed) New DARP Route DARP calculation Benefit ? Original Flight Plan Route No Yes Simulation Scenario ATC simulation (To keep ATC separation, Altitude often changed) Trajectory Flight Time Fuel Consumption Trajectory Flight Time Fuel Consumption Compare !

Scenario Constitution Scenario AScenario B Traffic type Summer Optimum Route is similar to Great Circle. Winter Optimum Route for KSFO/KLAX/PHNL is closely. Flights9185 RNP474 flights (81%)73 flights (86%) Objected flight 36 (bound for KSFO or KLAX)51(bound for KSFO, KLAX or PHNL) Flight plan route

Additional Evaluation (about Route filling) Flight Plan change EMRON TRK14 KALNA TRK3 A590 TRK1 R591 TRK2 UPR started from ADGOR → TRK2 UPR started from KALNA (not G344) → TRK3 UPR started from KALNA (G344) → G334

Ｏｒｉｇｉｎａｌ ＤＡＲＰ２ ＤＡＲＰ 1 Ｔｉｍｅ Ｆｕｅｌ

DARP Benefit (1/2) Calc: Calculated DARP (Weather Forecast) SIM: Simulated (Observed Weather) DARP Scenario A ↑ traffic congestion Scenario B Big improve ! ↑ traffic congestion ↑ ↑ weather condition

DARP Benefit (2/2) Calc: Calculated DARP (Weather Forecast) SIM: Simulated (Observed Weather)

Traffic Congestion(Scenario B) DARP at 150E DARP at 160E Red lines are bound for KLAX.

Traffic Congestion(ScenarioB) DARP_160E ORG no for PHNL DARP_150E including for PHNL ORG for KSFO/KLAX for PHNL DARP_150E mixed for PHNL

Sample Flight （ Scenario A) KALNA 47E70

Sample Flight(Scenario A) KALNA 47E70

Sample Flight (Scenario B)

Conclusion  DARP makes many benefits.  at 150E: larger benefit, but sometimes traffic concentration occurs. → low altitude  at 160E: smaller benefit, ATC operation is good.  Some flights assigned low altitude.  DARP from UPR  DARP from TRK  when: same Gatefix and closely location TRK & UPR

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