Terrain

Definition and stakes

Sun Tzu,  The Art of War (2000)

“ Sun Tzu said: We may distinguish six kinds of terrain, to wit:
(1) Accessible ground;
(2) entangling ground;
(3) temporizing ground;
(4) narrow passes;
(5) precipitous heights;
(6) positions at a great distance from the enemy.
”
Source: Wikisource

National Transportation Safety Board,  Korean Air Flight 801 investigation…

“ What I intend to talk about this afternoon is an overview of the Minimum Safe Altitude Warning system, the purpose that it was designed for, an overview of the history as to why it was developed, a brief description of how it functions, and steps that we have taken to optimize its performance and maintenance.
The Minimum Safe Altitude Warning is a function designed solely as a controller aid in detecting potentially unsafe aircraft proximity to terrain or obstructions. It generates an alert to the controller when a pilot is below or is predicted to be low -- below a specified altitude.
”
Source: Wikisource

Helen Ashe Hays,  The Adventures of Prince Lazybones…

“ Field upon field dotted with daisies, woodland as dense and wild as untrained nature leaves it, and hill upon hill clambering over one another, all so minute and yet so real, and dashing down from the tiny mountains was a stream of foaming water, winding about and gathering in from all sides other tributary brooks, so small that they would hardly have floated a good-sized leaf. ”
Source: Gutenberg

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