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E2 Tower Type

The E2 tower type is over 350′ tall and should be lit by 3 dual L-864/L-865 medium intensity beacons.


FAA AC 70/7460-1M

  • Tower height cannot exceed 700′
  • Dual L-864/L-864 beacons include red, infrared and white LEDs.
  • L-864 red/infrared beacons must flash in sync at 30 fpm.
  • Infrared LED strings must be monitored, and an IR outage is a NOTAM-worthy event.


FAA AC 70/7460-1L

  • Tower height cannot exceed 700′
  • L-864 set at 30 flashes per minute


FAA AC 70/7460-1K

  • E2 tower heights cannot exceed 500′
  • Tower with heights of more than 500′ but less than 700′ are classified as F2 and are lit with 1 dual L-864/L-865 beacon, 4 L-864 medium intensity beacons, 6 L-856 high intensity beacons and 6 L-810 steady-burning marker lights (8 if square)


FAA AC 70/7460-1J and FAA AC 70/7460-1H

  • Tower height cannot exceed 700′