Optimizing Scheduling in Aerospace OEM and MRO Operations

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Optimizing Scheduling in Aerospace OEM and MRO Operations

Explains how to generate daily granular schedules for aerospace manufacturing and repair using probabilistic methods and a Bill of Resources instead of FIFO or macro heuristics.

Published

June 4, 2026

Read time

3 min read

Source

Aerospace OEM and MRO operations require daily micro-level schedules that assign specific parts, tools, and technicians while accounting for frequent resource unavailability. The document contrasts macro-level inventory policies with micro-level sequencing and shows why traditional approaches such as Min-Max and FIFO fail under high combinatorial complexity. It presents a probabilistic, stochastic optimization framework that regenerates feasible, financially ranked sequences within minutes when any element of the Bill of Resources changes.

Key takeaways

Aerospace scheduling must optimize a Bill of Resources (parts, tools, people) rather than a deterministic BOM.

Daily uncertainties are statistically normal; regeneration of the full schedule must occur in minutes, not through emergency meetings.

FIFO and other simple heuristics ignore financial impact and resource interdependencies at the task level.

Micro-level planning requires probabilistic forecasts and stochastic optimization to rank sequences by expected financial return.

Macro inventory policies alone are insufficient; daily granular assignment of every resource is needed for feasible execution.

Market overview

SCR methodology note

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