Flash Products

FTB 310 White Medium Intensity

White L-865 Xenon Tower Light

Designed to meet FAA L-865 obstruction lighting requirements, Flash Technology’s FTB 310 includes a white xenon flashing light for day and night operations. It is suitable for structures 200’ to 700’ AGL (FAA tower types D1-D2).


FTB 310 Features

  • Automatic fail-safe to day mode and notification if system has not changed states in 19 hours
  • 3 dry contact data points
  • Fresnel optics minimize light scatter
  • 12 LED indicators to convey operating status
  • 2-year parts warranty on all xenon system components including tubes
  • NEMA 4X stainless steel outdoor-rated enclosure
  • Accommodates 120 or 240 VAC, 50 or 60 Hz
  • TIA-222G certified for all mounting hardware
  • Listed on the FAA Buy American Act registry


FTB 310 Options

  • Advanced Relay Monitoring (ARM™) – 8 dry contact point with an Eagle port
  • GPS Synchronization – by adding the FTW 170


This product is ICAO-compliant.

Please fill out the form below or call 615.503.2000 with questions or to order this product.

Beacon Power Consumption

White day – 130 watts
White night – 55 watts

Beacon Photometrics

White day – 40 fpm – 20,000 ± 25% ECD
White night – 40 fpm – 2,000 ± 25% ECD

Input Voltage

120 or 240 VAC


50 or 60 Hz

FH Dimensions

17 x 18.25”

FH Weight

17 lbs. (7.7 kg)

FH Aerodynamic Wind Area

0.93 ft sq

Controller Dimensions

14 x 16.75 x 8.44”

Controller Weight

51 lbs. (23 kg)

Protection Rating



Intertek L865 certificate of conformance (AC 150/5345-43G)
Intertek L865 certificate of conformance (AC 150/5345-43H)
Intertek L866 certificate of conformance (AC 150/5345-43G)
Intertek L866 certificate of conformance (AC 150/5345-43H)



FTB 310 L-865
FTB 310 Catenary


Current Manual

FTB 310-7 Manual Rev 9 (2.0MB)
FTB 310-7VM Manual Rev 3 (2.0MB)
Manuals for older product revisions can be found in the Knowledge Base.