Definition
The interdependent relationship between the aircraft's pitch attitude (nose up or down) and engine power setting, where a change to one almost always requires a change to the other to maintain a desired flight condition such as airspeed, altitude, or rate of climb or descent.
Plain English
Pitch and power work together. When you change one, you usually have to change the other to keep the aircraft doing what you want — holding altitude, climbing, descending, or maintaining a target speed.
Context Anchor
Seen in instrument flying when a pilot sets a known nose attitude and power setting to get a predictable result, such as level flight, a climb, or a descent.
Derivation
Pitch originally described an up-and-down motion, especially on ships. Aviation uses it for the airplane’s nose-up or nose-down attitude. Power comes from the idea of ability or force; here it means the engine output available to help move the airplane through the air.
Why Pilots Care
Correct application prevents unwanted airspeed or altitude changes during instrument flight.
Grounding Statement
If the pilot raises the nose without adding enough power, the airplane may slow down; if the pilot adds power without adjusting pitch, the airplane may speed up or begin to climb.
Intuition Check
Do not read pitch as sound or throwing something, and do not read power as electrical power. Here, pitch means nose-up or nose-down attitude, and power means engine output; the airplane’s result comes from the two working together.
Example Sentence 1
When the instructor reduced power for the descent, the student also lowered the nose slightly, applying the pitch/power relationship to maintain the target airspeed.
Example Sentence 2
During the descent, reducing power required a small nose-down pitch adjustment to hold the target airspeed.