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9.8.1.4 Determining true altitude, density, pressure

At the bottom of the minute scale there are three windows that are used in

connection with determining true altitude, density and pressure.

Depending on what information you have and what information you want to
obtain, these three windows are used together, or they are used in connection

with the minute and distance scales.

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9.8.2 The wind side

The other side (2), the wind side, is used in connection with the slider (the

square part that is inserted into the round part).

This side also consists of a fixed and a rotatable part.

The fixed part is provided with an index.

The model shown is CRP1W.

This model has a wind arm.

The model CRP1 does not

have a wind arm, but

otherwise it is completely
similar.

Flyveteori PPL(A)(UL)/LAPL Henning Andersen, Midtjysk Flyveskole© 2025 857