The encyclopedia · Engineering & Operations · Technical decision · 1973–1977
Air Canada's AMOS simulator cut maintenance costs 5%
Air Canada simulated aircraft maintenance scheduling to raise flying hours between checks, cutting labour and material maintenance costs by 5 percent.
Air Canada
the move
By the early 1970s, planning aircraft maintenance at Air Canada had become so difficult that it sometimes took several weeks for planners to manually develop an acceptable aircraft schedule. The lack of an accurate, timely tool was itself a cost.
Air Canada developed the Aircraft Maintenance Operations Simulation (AMOS) model to schedule maintenance checks. Two years after its introduction, the airline improved the flying hours achieved between checks enough to cut the labour and material costs of aircraft maintenance by 5 percent, a reduction verified by a letter at the end of the article.
The result turned a planning bottleneck into a measured saving: more productive use of aircraft between checks lowered maintenance cost per flying hour, and AMOS became the standard planning tool.
why it works
- Simulation made weeks of manual scheduling an automated check.
- More flying hours per check lowered maintenance cost per hour.
- A verification letter made the 5% reduction auditable.
what transfers
When a constraint like maintenance makes schedules brittle, simulate it: modeling the checks lets planners push more flying hours between them, cutting cost per hour without compromising safety.
what came after
AMOS remained Air Canada's maintenance-scheduling tool after the documented 5 percent saving, and the Interfaces article became a reference case for simulation in airline maintenance planning.
references
- Air Canada Saves with Aircraft Maintenance Scheduling
- Air Canada Saves with Aircraft Maintenance Scheduling (archived copy)
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