Eyrix — Blog

Aircraft utilisation for regional & ACMI operators: 5 gaps that quietly erode it

Utilisation is the main lever for a small operator, but in practice it's usually measured after the fact — too late to steer. These are the five gaps that come up most often.

1. The wrong tail on the wrong leg

Assigning a larger or longer-range aircraft to a leg a smaller tail could have flown keeps the more expensive asset tied up while a cheaper one sits idle. It happens most when a planner under time pressure grabs the first available tail instead of the best-fitting one.

2. Positioning and deadhead legs that aren't weighed

An aircraft or crew that has to reposition empty between duties yields fewer productive block hours than a rotation that closes cleanly in one region — even though both look "full" on the roster. Unweighed deadhead is utilisation leaking in plain sight.

3. Qualification that constrains the roster unnecessarily

When type-ratings and recency live only in someone's head, a tail sometimes gets rostered light because the planner isn't sure which crew may legally step in — while a qualified crew member was in fact available. The constraint is real; the uncertainty is the waste.

4. Maintenance and AOG that aren't visible in the roster

An aircraft in a check window or AOG that isn't blocked as such in the roster leads to double assignments discovered at the last moment — and last-minute recovery is expensive.

5. No view of patterns over time

Without a dashboard showing utilisation per tail and duty hours per crew per week, it stays unclear whether a low figure is an incident or a recurring pattern — and therefore whether it's worth steering on fleet size, base placement or pricing.

The common thread

All five gaps share one thing: they're invisible at the moment the roster is built, and visible once it's already too late. That's exactly the gap a scheduling engine closes — not by recording the roster, but by checking at every assignment, up front, whether it's actually feasible and optimal.