Aviation Dictionary

Top Of Descent (TOD)

Generally utilized in flight management systems, top of descent is an identifiable waypoint representing the point at which descent is first initiated from cruise altitude. TOD is generally calculated using the destinat…

Dictionary Term

Top Of Descent (TOD)

Definition

Generally utilized in flight management systems, top of descent is an identifiable waypoint representing the point at which descent is first initiated from cruise altitude. TOD is generally calculated using the destination elevation (if available) and the descent speed schedule.

References

Instrument Procedures Handbook · Federal Aviation Administration · 2017