Lights Flashcards

1
Q

How would you describe Fl(2)10s72m25M Horn(3)45s?

A
  • White light
  • Flashes twice every 10 seconds
  • Distance between focal plane and MHWS / HAT is 72m
  • Nominal range is 25 miles
  • In fog, horn sounds thrice every 45s
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2
Q

Dipping distance formula?

A

miles = 2.08 × (√ (height of eye h metres + √ height of light H metres )

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