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Protocol Deep-Dive

Technical breakdowns of VerSky's altitude-direction encoding, hexagonal grid, and AACP.

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Protocol Deep-DiveMay 11, 2026

What AACP actually does (and what it deliberately doesn't)

A great deal of AACP's design is about preventing AI from doing the wrong things. The AI layer exists and does real work — but the load-bearing safety properties of the airspace are deliberately kept out of it.

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Protocol Deep-DiveMay 11, 2026

Hex cells, capacity, and the asymmetric-traffic problem

Altitude encodes direction. Hex cells provide the spatial substrate. This post is about why the substrate is hexagonal, what a cell's capacity actually means, and how the model handles traffic that refuses to be symmetric.

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Protocol Deep-DiveMay 11, 2026

Why altitude can carry information

The cheapest piece of state every aircraft already has is its altimeter reading. The protocol question is whether that reading can also carry direction information — and whether doing so is a notational trick or something more durable.

8 min readRead