.
fleet control level (currently the responsibility of the operators and their operations centers)
After reviewing the data obtained from interviews with airline operations personnel, private aircraft operators, and so forth, we have identified the goals and indicated the associated stakeholders shown in Table A.
Goals Fleet Area Individual Aircraft
Passengers: get to destination early or on time, be comfortable, minimize cost X
Take a desired course (e.g., tour flight) (GA) X
Shippers: get cargo to destination early or on time, minimize cost X
maintain safety X X X
maintain overall schedule X
have resources available: . aircraft . crew . ground support X
avoid turbulence X X
avoid weather X X X
save fuel save time compensate for: . late departure . weather change . traffic change . airport status change . wind change . medical emergency . mechanical . bad model or prediction data . pax discomfort (GA) . arbitrary change of plans (GA) X X X X X X X X X X X X X X X X X X X X X X X X X X
save equipment costs X
save crew costs X
enforce route decision X X X
Table A: The goals of route planning and their associated stakeholders
In the next step, each goal is associated with its relevant constraints, functions, and information requirements, shown in Tables B.
Goals Constraints Functions Information
Passengers: get to destination early or on time, be comfortable, minimize cost area congestion anticipate delays . preflight: predicted . in flight: actual
schedule plan departure and arrival times times: . departure . arrival connections
turbulent areas fasten seat belts turbulent areas time to enter, leave
Goals Constraints Functions Information
Take a desired course (e.g., tour flight) (GA) area congestion avoid area congestion area congestion levels, current and anticipated
turbulent areas and altitudes avoid turbulence turbulent areas and altitudes, current and anticipated
weather . avoid weather . predict weather weather (current and anticipated): . departure . en route . arrival
aircraft performance: . takeoff . landing . altitude . speed . payload . range pilot currency (GA) landing fees (GA) aircraft capabilities (GA) time/attention it takes to replan (GA) plan route (or change route): . lateral path . altitudes . speeds . payloads . fuel . weight and balance . alternates . payload . winds . performance requirements . delays . taxi times . weight . fuel costs . lateral path . speeds . altitudes . alternates . RVR . pressures . weather . congestion . traffic delays . fuel range . aeronautical charts (GA) . freezing level charts (GA)
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