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Judgment & ambiguity · Calibrating confidence

You're planning fuel for a flight to an airport with a single runway and a marginal forecast, and adding contingency and alternate fuel above the legal minimum costs payload — possibly bumping cargo or passengers. How much extra do you carry, and how do you justify the confidence behind that number?

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Fuel is a calibrated bet on how much the forecast could be wrong, and I size the bet to the consequence of being short, not to habit.

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