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Cleared to KnowArticles

Aviation, explained at the depth you're rated for. Four tiers — Private, Instrument, Commercial, CFI — and every article declares what to read first, what goes deeper, and how it's taught. Social is where you found us. This is where the depth lives.

BLOG 01 · AERO● LIVE

Aerodynamics

Why wings work — the honest version. The graph root: nearly every other domain's prerequisite chains terminate here.

6 ARTICLES · 4 TIERS

BLOG 02 · DATA○ IN PREFLIGHT

Flight Data

Data science taught over a synthetic Part 121 dataset whose defects are planted on purpose. Every lesson ends with the ground truth.

BLOG 03 · STRC○ NEXT DEPARTURE

Structures

Why airframes hold together. Two aerodynamics articles are already holding gates for it.

FOUR TIERS, ONE RULE

Tiers 1–3 answer how does this work at increasing depth. Tier 4 — CFI — is a mode, not a depth: how is this taught, and where do learners go wrong. Every CFI article names the article it teaches. How the tiers work →