The status of Senior Captain is the highest achievable rank at Air Child and is linked to special privileges.
Unlike the lower ranks, it is therefore not set in stone forever. Just like a real flight license, it must be
renewed regularly. This happens automatically: the rank of Senior Captain is maintained as long as at least
one scheduled flight was completed in the preceding month.
If this is not the case, the Senior Captain drops to the status of "Frozen Senior Captain".
With this status, they hold the same privileges as a Captain (see above).
As soon as the condition above is met again, the Frozen Senior Captain automatically becomes a Senior Captain
again — with all associated privileges restored.
Operating Charter Flights is one of the privileges lost while frozen — a Frozen Senior Captain may not operate
Charter Flights again until the scheduled-flight requirement above is met. Because Charter Flights are
unscheduled, flying one does not count toward that requirement; only an approved scheduled flight does.