ip21 simulation result by darp for ksfo/klax (ipacg/40) enri
TRANSCRIPT
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IP21 SIMULATION RESULT BY DARP FOR KSFO/KLAX(IPACG/40)
ENRI
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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.
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Simulation about DARP
Weather Forecast
(before 6hours)
Flight Plan Data
Weather (Observed)
New DARP Route
DARP calculatio
n
Benefit ?
OriginalFlight Plan
Route
NoYes
Simulation
Scenario
ATC simulation(To keep ATC separation,
Altitude often changed)
TrajectoryFlight TimeFuel Consumption
TrajectoryFlight TimeFuel Consumption
Compare !
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Scenario ConstitutionScenario A Scenario B
Traffic type
SummerOptimum Route is similar to Great Circle.
WinterOptimum Route for KSFO/KLAX/PHNL is closely.
Flights 91 85
RNP4 74 flights (81%) 73 flights (86%)
Objected flight
36 (bound for KSFO or KLAX) 51(bound for KSFO, KLAX or PHNL)
Flight plan route
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Additional Evaluation (about Route filling)
Flight Plan change
EMRON TRK14
KALNA TRK3
A590 TRK1R591 TRK2
UPR started from ADGOR →TRK2
UPR started from KALNA (not G344) →TRK3
UPR started from KALNA (G344) →G334
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Original
DARP2
DARP 1
TimeFuel
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DARP Benefit (1/2)
020040060080010001200140016001800
0:00
0:03
0:06
0:09
150E(Calc) 150E(SIM) 160E(Calc) 160E(SIM)
Fuel
con
sum
ption
(lbs
)
Flig
ht ti
me
A Fuel B Fuel A Time B Time
Calc: Calculated DARP (Weather Forecast)SIM: Simulated (Observed Weather)
DARP @150E>@160E
Scenario A SIM<Calc @150E SIM>Calc @160E
↑traffic congestion
Scenario B Big improve !
↑traffic congestion
↑ ↑ weathercondition
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DARP Benefit (2/2)020040060080010001200140016001800
0:00
0:03
0:06
0:09
150E(Calc) 150E(SIM) 160E(Calc) 160E(SIM)
Fuel
con
sum
ption
(lbs
)
Flig
ht ti
me
A Fuel B Fuel A Time B Time
Calc: Calculated DARP (Weather Forecast)SIM: Simulated (Observed Weather)
020040060080010001200140016001800
0:00
0:03
0:06
0:09
150E(Calc) 150E(SIM) 160E(Calc) 160E(SIM)
Fuel
con
sum
ption
(lbs
)
Flig
ht ti
me
A(UPR) Fuel A(TRK) Fuel A(UPR) Time A(TRK) Time
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Traffic Congestion(Scenario B)
DARP at 150E
DARP at 160E
Red lines are bound for KLAX.
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Traffic Congestion(ScenarioB)
0 10 20 30 40
34E6035E6036E6037E6038E60
flights
DARP_160EDARP_150EORG
0 10 20 30 40
33E7034E7035E7036E7037E70
flights
DARP_160EDARP_150EORG
DARP_160EORG no for PHNLDARP_150E including for PHNL
ORG for KSFO/KLAX for PHNL
DARP_150E mixed for PHNL
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29000
33000
37000
41000
130 160 190 220 250
30
35
40
45
50
55
130 150 170 190 210 230 250
UPRnoDARP UPR_150E UPR_160E
130E 150E 170E 170W 150W 130W 110W
Sample Flight( Scenario A)
KALNA
47E70
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Sample Flight(Scenario A)
30354045505560
130 160 190 220 250
UPRnoDARP UPR_150E UPR_160E
130E 160E 170W 140W 110W
198000
198500
199000
199500
UPRnoDARP UPR_150E UPR_160EFuel
Con
sum
ptio
n (lb
s)
KALNA
47E70
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Sample Flight (Scenario B)
29000
33000
37000
41000
130 160 190 220 250
NoDARP DARP150E DARP160E
130E 150E 170W 140W 110W
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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