The B5 and C5 tower types are over 1400′ tall and no more than 1750′ excluding any appurtenances and are lit by 15 flashing L-856 white high intensity beacons.
B5 Towers
- B towers have no appurtenances greater than 40′ so no L-865 beacon is required
C5 Towers
- C towers have appurtenances greater than 40′ and 1 L-865 white medium intesity beacon is required on top