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Instructor » Mountain Flying » Horizon


Define Horizon

  • The line where the sky meets the sea.

Identification of real or imaginary horizon

Accurate identification of a useable horizon and being able to reference nose attitude to that horizon usually requires a lot of concentrated practice.



It is essential to be able to identify a useable horizon and to be aware of some of the pitfalls involved.


When flying among the mountains, or anywhere the horizon is not visible, the pilot must learn to imagine that horizon.


If pilots try to follow the artificial horizon, they will only ever react to the instruments, when they should have their eyes outside and be anticipating the attitude changes. In bush-clad areas there is a good highlevel horizon reference – the bush line (ie, mean winter snowline).

In New Zealand the bush grows up to an altitude of around 3500 feet, and it is a good means of locating a useable horizon reference in steep mountainous terrain.

Super-imposing a useable horizon on any variable background

In the mountains, visualise where this line is as if the mountains were transparent, and superimpose it on the terrain.

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