Principles of Flight

EASA ATPL Subject 081

151

Flashcards

EASA ATPL subject 081 — Principles of Flight covers subsonic and transonic aerodynamics, lift generation, drag types (induced, parasitic, wave), flight mechanics, aircraft stability (static and dynamic), control surfaces, high-lift devices, stalling, spinning, high-speed flight (Mach effects, shock waves), and propeller aerodynamics. The subject requires understanding aerodynamic principles while memorizing specific values and relationships.

ATPLCards includes 151 Principles of Flight flashcards covering the key aerodynamic facts, critical Mach numbers, stall characteristics, stability concepts, and the specific values that exams test alongside conceptual understanding.

Sample Flashcards

As flow narrows (converges), what happens to velocity and pressure?

Velocity increases, pressure decreases

What is induced drag proportional to?

∝ L² and ∝ 1/V²

What causes Dutch roll?

High lateral stability + low directional stability

Formula for stall speed in a turn?

Vst = Vs1g × √(1 / cos(bank angle))

Other ATPL Subjects

Air Law AGK Instrumentation Mass & Balance Performance Flight Planning Human Performance Meteorology General Navigation Radio Navigation Operational Procedures Communications

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