Your height of eye is 40 feet (12.2 meters). What is the approximate geographical distance at which Ambrose Light, NY, could be visible? Refer to "Reprints from the LIGHT LISTS AND COAST PILOTS".

Correct Answer: Option A — 21.0 nm

Consulting the Light List for Ambrose Light, the structure height is 136 feet. Using the formula 1.17 * sqrt(136) + 1.17 * sqrt(40), we get 13.6 + 7.4 = 21.0 nm. This represents the maximum distance the light can be seen under clear conditions.