Cognitive Scaffold

Preparing your thinking workspace

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MENTAL MODEL · M4835

Coffin Corner

Coffin Corner
BusinessHigh supportEconomics
Included
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Version 1.0.0 · Updated 2026-07-30

CORE DEFINITION

When an aircraft flies at high altitude, the gap between stall speed (too slow will cause a stall) and critical Mach number (too fast will cause structural failure) becomes extremely narrow. The pilot must control the speed within a very tight range; being slightly slower or faster can lead to disaster.

SCAFFOLDING EFFECT

psychology

Reduce cognitive load

A metaphor for low fault tolerance in extreme states. When an economy, company, or individual leverages to the extreme, or optimizes efficiency to the limit, it enters the "coffin corner." At this point, any minor fluctuation (acceleration or deceleration) can cause system collapse.

anchor

Anchor fast decisions

The 'coffin corner' refers to the dangerous zone in high-altitude flight where stall speed and maximum speed (MO) approach the same point; any slight deviation leads to loss of control. The narrow window is the death zone.

MINIMUM ACTION

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Source support: Explicit

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    en.wikipedia.orghttps://en.wikipedia.org/wiki/Coffin_cornerZH · Explicit
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