How maintenance due dates affect the schedule
How a maintenance requirement coming due makes an aircraft unbookable before the limit is reached.
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A maintenance requirement coming due makes the aircraft unbookable in the schedule before the limit is reached. You do not have to remember which aircraft are close to a check. The schedule works it out from the aircraft's counters and blocks the slot ahead of time.
How it works
Each maintenance requirement has an interval on hours, cycles or the calendar, with a tolerance. FlyerOS projects the aircraft forward at your real rate of flying and works out when it will reach the limit. A booking that would fly the aircraft past due is blocked, with a reason naming the check and the date.
Why forward projection matters
Checking "is it due now?" is too late. An aircraft due for a 100-hour check on Friday, at its current rate, cannot be safely booked for a long trip on Thursday that would take it past the limit. Because the schedule looks ahead to the time of each flight, it stops the booking now, while there is room to plan the check in.
Planning the work in
The due list shows what is coming and when, so you can schedule maintenance on your terms rather than being surprised mid-week. When a work order grounds the aircraft, its bookings are flagged the same way a defect's are, so nothing is left stranded. See Reporting a defect for unplanned work.