Definition
The angles the airplane's nose makes with the horizon along the lateral axis, observed and controlled by the pilot to manage airspeed, altitude, and flight path. Pitch attitudes are described as nose-up, nose-level, or nose-down relative to the horizon, and are referenced both visually outside the aircraft and on the attitude indicator.
Plain English
How high or low the nose of the airplane is pointing compared to the horizon. The pilot raises or lowers the nose to climb, descend, or hold level flight.
Context Anchor
Seen when setting and checking the airplane’s position in cruise, especially by looking outside at the horizon and confirming with the flight instruments.
Derivation
"Pitch" comes from the old sense of tipping or tilting forward and back, the same idea used for a ship pitching in waves. "Attitude" comes from Latin aptitudo, meaning fitness or position -- here, the airplane's position relative to the horizon. Together they describe the nose-up or nose-down position of the aircraft.
Why Pilots Care
The correct pitch attitude keeps the airplane at the desired altitude and airspeed without excessive power changes.
Intuition Check
Do not read attitude as emotional state here. In flying, attitude means the airplane’s position in relation to the horizon; pitch attitude is specifically the nose-up or nose-down part of that position.
Example Sentence 1
The instructor asked the student to establish a slight nose-up pitch attitude and trim for cruise airspeed.
Example Sentence 2
A nose-high pitch attitude at low airspeed increases the risk of a stall.