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Altomar718
What is TOC and TOD?

In simple terms (because I'm not that clever!) - What is TOC and TOD when creating the Nav Log please?

IBI101
TOC TOD

In aviation, the top of climb, also referred to as the TOC or T/C, is the computed transition from the climb phase of a flight to the cruise phase, the point at which the planned climb to cruise altitude is completed. The top of climb is usually calculated by an on-board flight management system, and is designed to provide the most economical climb to cruise altitude, or to meet some other objective (fastest climb, greatest range, etc.). The top of climb may be calculated manually with considerable effort.

Pilots of small airplanes need to do a flight plan to compute fuel usage and time of the trip, because they don't have a flight management system. Because climbing to cruise altitude burns fuel quicker, the takeoff to cruise altitude is calculated separately. The airplane's Pilot Operating Handbook has a table of fuel burned, time, and distance to reach a given altitude from sea level. To calculate the values for airport at 3000 feet, you subtract the values for sea level to 3000 from the sea level to cruise altitude.

 

In aviation, the top of descent, also referred to as the TOD or T/D, is the computed transition from the cruise phase of a flight to the descent phase, the point at which the planned descent to final approach altitude is initiated. The top of descent is usually calculated by an on-board flight management system, and is designed to provide the most economical descent to approach altitude, or to meet some other objective (fastest descent, greatest range, etc.). The top of descent may be calculated manually as long as the distance, air speed, and current altitude are known.

woofie5123
TOC & TOD

Thank you!  I was wondering what these two terms meant and now I know!