KEYNOMEN AVIATION

About Certificates Pricing Log In

Keynomen Aviation

Home
About
Certificates
Pricing
Log In
Start Free

About Contact Pricing CFI Program Methodology

Terms of Service Privacy Policy Disclaimer

Keynomen Aviation is a study and reference tool, not flight training. Always check your POH, current FAA regulations, and with your flight instructor.

© 2026 Keynomen Aviation. All rights reserved.

positive AOA — Aviation Definition | Keynomen Aviation

Words for: Takeoffs, Landings, Go-Arounds

← Back to Takeoffs, Landings, Go-Arounds

90 words in this area · Next word: surface irregularities →

Sign up free to keep track of the words you’ve cleared.

positive AOA

AOA is the abbreviation for angle of attack.

Plain English Meaning

The wing is tilted slightly nose-up into the oncoming air, so it starts producing lift. On a soft field, the pilot pulls back on the yoke during the roll to keep the wing in this attitude and get airborne as early as possible.

Full Definition

An angle of attack greater than zero, in which the wing's chord line is inclined upward relative to the oncoming relative wind, producing lift. On a soft-field takeoff, the pilot holds back-pressure on the controls during the takeoff roll so the wing meets the air at a positive angle of attack, allowing the to the as soon as enough lift is generated.

positive AOA

Context Anchor

Seen during soft-field and rough-field takeoff technique, especially when the pilot holds back pressure to keep weight off the nose wheel and help the airplane lift off smoothly.

Derivation

Positive' here means greater than zero, not 'good' or 'certain.' Angle of attack (AOA) is the angle between the wing's chord line and the relative wind. A positive AOA simply means that angle is on the lift-producing side of zero.

Why Pilots Care

Establishing positive AOA allows the wings to generate lift with minimal forward speed, reducing the risk of the airplane remaining stuck on soft surfaces.

Grounding Statement

Picture the nose slightly raised as the airplane rolls: the wing is now meeting the air at an upward angle and can begin carrying some of the airplane’s weight.

Intuition Check

Positive does not mean “good” or “safe” by itself; it means the angle is greater than zero. Attack does not mean force or aggression here; it means how the wing meets the airflow.

Example Sentence 1

On the soft-field takeoff roll, the pilot held the yoke aft to keep the wing at a positive AOA so the airplane would lift off as soon as it generated enough lift.

Example Sentence 2

After liftoff the pilot maintains a positive AOA at the recommended climb speed to continue gaining altitude.