AIRCRAFT RECOVERY SYSTEM AIRCRAFT RECOVERY SYSTEM AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand AIRCRAFT RECOVERY SYSTEM AIRCRAFT RECOVERY SYSTEM François Soumis & Mirela Stojković François Soumis & Mirela Stojković AD OPT Research Consultants, GERAD AD OPT Research Consultants, GERAD
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AIRCRAFT RECOVERY SYSTEM AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand AIRCRAFT RECOVERY SYSTEM François Soumis & Mirela Stojković.
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AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
François Soumis & Mirela StojkovićFrançois Soumis & Mirela StojkovićAD OPT Research Consultants, GERAD AD OPT Research Consultants, GERAD
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
Altitude Suite of ProductsAltitude Suite of Products
• Altitude has developed a suite of crew planning, optimization and management solutions:
– Crew Pairing System
– Preferential Bidding System (PBS)
– Bidline System
– Manpower Planning System (MPP)
– Vacation Bidding System (VBS)
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
AIRCRAFT RECOVERY PROBLEMAIRCRAFT RECOVERY PROBLEM
PASSENGERSPASSENGERS
PLANNING
DECISIONS
PLANNING
DECISIONS
PERTURBATIONS
• FLIGHT DELAYS• AIRPORT CAPACITY
PERTURBATIONS
• FLIGHT DELAYS• AIRPORT CAPACITY
FLIGHTS
• CANCELLATIONS• DELAYS
AIRCRAFT
• ASSIGNMENT• ROUTING
FLIGHTS
• CANCELLATIONS• DELAYS
AIRCRAFT
• ASSIGNMENT• ROUTING
CREWCREW
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
AIRCRAFT RECOVERY PROBLEMAIRCRAFT RECOVERY PROBLEM
CREWFLIGHTS
• EXTENDED DUTIES
• SWAPS
CREWFLIGHTS
• EXTENDED DUTIES
• SWAPS
• REROUTING• REROUTING
PASSENGERS
• MINIMIZE DELAYS
• PRESERVE CONNECTIONS
PASSENGERS
• MINIMIZE DELAYS
• PRESERVE CONNECTIONS
• REROUTING• REROUTING
PLANNING
DECISIONS
PLANNING
DECISIONS
PERTURBATIONS
• FLIGHT DELAYS• AIRPORT CAPACITY
PERTURBATIONS
• FLIGHT DELAYS• AIRPORT CAPACITY
FLIGHTS
• CANCELLATIONS• DELAYS
AIRCRAFT
• ASSIGNMENT• ROUTING
FLIGHTS
• CANCELLATIONS• DELAYS
AIRCRAFT
• ASSIGNMENT• ROUTING
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
MODULAR SYSTEMMODULAR SYSTEM
INTERACTIVE MODULE (SMALL DISRUPTIONS)
• Graphical user interface
• Cost evaluation: aircraft, crew, passengers
• Network search engine
– 3 best swap alternatives for each disruption
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
Situation before reoptimizing aircraft itineraries:– Number of additional flights to be cancelled: 20
Situation after reoptimizing aircraft itineraries (aircraft swaps):– Number of additional flights to be cancelled: 0– Additionally modified aircraft itineraries: 22
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
Aircraft itineraries after the flight schedule modificationsAircraft itineraries after the flight schedule modifications
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
Aircraft Swaps at YYZAircraft Swaps at YYZ
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
New Aircraft ItinerariesNew Aircraft Itineraries
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
Sample of the planned passenger connections at YYZSample of the planned passenger connections at YYZ16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00
0149
0145
0135
YUL
ORD
0435
0823
1127
1121
0175
YUL
LGA
Reduction period
Stabilization period
0459
3050
0793LAX
YYC
0759
YEG
YQR
3553YYJ
3878
YWG
YOW
a Passenger connection
a: planned passengers
25
5
2
2
3
3
3
3
3 12
8
8
49
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand
Sample of the planned passenger connections at YYZSample of the planned passenger connections at YYZ16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00 00:00 01:00
0149
0145
0135
YUL
ORD
0435
0823
1127
1121
0175
YUL
LGA
Delayed flightReduction period
Stabilization period
0459
3050
0793LAX
YYC
0759
YEG
YQR
3553YYJ
3878
YWG
YOW
2; 0
5; 0
5; 4
a; b
Short connection
a: planned passengers
b: served passengers
33333
2
2
4
12
8
9
8
AIRCRAFT RECOVERY SYSTEMAIRCRAFT RECOVERY SYSTEM
AGIFORS Airline Operations June 15 -18, 2003 Auckland New Zealand