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Session 29 Tomas Klemets
1. CrewAlert – management of crew fatigue in airline operation Transportforum, Linköping, Januari 2012 Tomas Klemets, Head of Scheduling Safety, Jeppesen Systems
2. IX812, Mangalore 22 May 2010… Mangalore-Dubai-Mangalore 21:35-06:30 Air India Express
3. IX812, Mangalore 22 May 2010… Mangalore-Dubai-Mangalore 21:35-06:30 Air India Express
4. IX812, Mangalore 22 May 2010… Mangalore-Dubai-Mangalore 21:35-06:30 Air India Express
9. Where should fatigue be managed? Crew management processes * Today Correct data Salary events Recruit? Transition training? Base size? Qualification structure in cabin? Crew negotiations? Leave Promote instructors? Enough instructors? Leave Leave of absence? Move crew btw bases? Adjust the schedule? Productivity Real costs Robustness Quality of life Use reserves Trip trades Maintain productivity Maintain sby levels Crew quality Long term manpower Mid term manpower Planning Maintain planning DEC JAN FEB ...MAY … JAN‘13 * Passenger focus Legality / feasibility Secure revenue Day of operation Today JAN Follow-up
10. Answer: Where it’s introduced. Crew management processes * Today Long term manpower Mid term manpower Planning Maintain planning Follow-up Manpower Planning Applications: Crew Rostering Crew Pairing Crew Rostering Crew Pairing Day of operation Today Crew Tracking Time table planning * The flight ”context”: Surrounding activities/flights on the roster, Individual history and circumstances Maintain what has been planned... DEC JAN FEB ...MAY … JAN‘13 JAN Station, Departure time, Equipment, Augmentation, Choice of hotel, Deadheading, ...
11. Crew working time rules and planning objectives Maximum monthly block time Maximum monthly duty time Maximum weekly duty time Maximum weekly block time Minimum days off per month Maximum consecutive working days Minimum rest after duty Maximum duty time Maximum duty time, f(start time, sectors) Maximum block time in duty, f(start time, sectors) Robustness Quality Productivity Minimize costs
12. Fatigue/Alertness Models Fatigue Models represent the most practical, and precise, method of applying current fatigue/sleep science to crew scheduling: Time S represent the homeostatic effect of time awake S’ represents the recovery effect associated with sleep C represents the effect of the ~24hr circadian rhythms S + C (+ other factors and processes) are summed to predict alertness as a function of prior work and sleep history
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14. Another, less obvious, example 1402 Savings opportunity? Spending opportunity? Round the world tour. Kuala Lumpur – Hong Kong – Anchorage –Chicago – Dallas – Bruessels – Sharjah – Kuala Lumpur
Summary: We now have a human touch; the optimizer is aware of human physiology. The process runs well The effect to date is limited Again: we do not have a full FRMS in place BUT: we control a safety KPI through the process, we can quantify changes, and we are building experience for levaraging this further down the line. Thank you.
