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
2
Q
Dipping distance formula?
A
miles = 2.08 × (√ (height of eye h metres + √ height of light H metres )