How often are reviews of change proposals sent to non-pilot units for resolution?

The correct frequency for sending reviews of change proposals to non-pilot units for resolution is biennially. This means that these reviews are conducted every two years, allowing ample time for the evaluation of proposals and their implications within the operational framework of non-pilot units without overwhelming them with unnecessary frequency.

This approach strikes a balance between keeping the units informed and engaged in the change process while also ensuring that the workload does not become burdensome. While proposals may emerge or change more frequently, addressing them on a biennial basis allows for a comprehensive review, taking into consideration enough data and insights that have emerged over time. Other frequencies, such as monthly or quarterly, would likely lead to logistical challenges and potential overlap of issues, while an annual review may not provide sufficient time to properly gauge changes and their impacts, potentially delaying necessary adaptations in the units.