Definition
The orientation of an aircraft in flight in which its longitudinal axis is parallel to the horizon, so the aircraft is neither climbing nor descending. In this attitude the wings are also held level laterally, with no bank.
Plain English
The way the airplane is sitting in the air when its nose is pointed straight along the horizon and the wings are even — not climbing, not descending, not banking.
Context Anchor
Seen in basic flight training, straight-and-level flight practice, and attitude flying by outside visual reference or instruments.
Derivation
‘Attitude’ comes from the Italian ‘attitudine’ and the Latin ‘aptitudo,’ meaning ‘posture’ or ‘fitness for a position.’ In aviation it kept the older sense of ‘posture’ — how the aircraft is positioned in space — rather than the modern everyday meaning of ‘mood’ or ‘outlook.’
Why Pilots Care
Maintaining this attitude prevents unintended altitude or heading changes and is the reference state for instrument flight and trim adjustments.
Grounding Statement
In level flight, the airplane’s nose may not point exactly at the horizon; the correct sight picture depends on the airplane’s speed, power, and setup.
Intuition Check
“Attitude” does not mean emotional state here; it means the aircraft’s position relative to the horizon. “Level” does not mean the nose must be exactly on the horizon; it means the aircraft is maintaining altitude.
Example Sentence 1
After leveling off at 4,500 feet, the student trimmed the airplane to hold a level-flight attitude.
Example Sentence 2
Any deviation from the level-flight attitude of an aircraft during cruise is corrected with small elevator and aileron inputs.