Operations Managers can use many techniques to solve problems. Some of these techniques can be solved using computer programs. In this assignment, you will use Excel$$ and PowerPoint$$ to solve real$-$world problems that may be faced by operations managers.

Airplanes only make money when they're in the air! Therefore, airline managers strive to achieve the shortest possible $$turnaround time$$ through a carefully choreographed process.

The chart below provides a general flow for turning an aircraft. Your task is to create a Gantt chart, draw an Activity on Node Network $($AON$)$ diagram and determine the critical path.

Activity Description Immediate Predecessors Time $($Min$)$

A Aircraft stops at the gate $-$ :$00$

B Jet bridge connected A :$05$

C Passengers deplane B :$10$

D Baggage offloaded A :$15$

E Refueling$/$water servicing D :$20$

F Gallery servicing C :$15$

G Cabin cleaning C :$15$

H Baggage loaded D :$10$

I Passengers boarded E$,$ F$,$ G :$15$

J Aircraft ready for departure H$,$ I $-$