Aerial Ladder Reach
Horizontal and vertical reach from angle and extension.
Formula and source
Horizontal reach = ladder_length × cos(angle); vertical reach = ladder_length × sin(angle) + apparatus turntable height.
NFPA 1901 (Standard for Automotive Fire Apparatus) by name; manufacturer aerial-device technical data sheets (Pierce, E-One, Sutphen) by name.
Audience
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Posture
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