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Cleared to KnowThe Library
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 · 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 →