by TWR Lighting Inc.

Red flashing obstruction light for reliable night time marking of structures that present a hazard to aviation. Incorporates the benefits of advanced LED and control technologies to meet the challenges of the most demanding applications.

Key Features

  • Five year limited warranty
  • Simple cable connection for easy installation
  • Very low power consumption
  • Low cost of ownership
  • Stabilized intensity across full operational temperature range
  • Lightweight and easy to install
  • No maintenance required over service life
  • Modular construction controller

Standards / Certification

  • Obstruction light complies with:
  • United States Federal Aviation Administration AC 70/7460-1K; Obstruction Marking and Lighting
  • ICAO Annex 14, volume I; International standards and recommended practices: Aerodrome design and operations, 4th Edition, July 2004, chapter 6.3
  • Various national approvals

Performance Characteristics

  • Effective intensity 2,000 cd red night
  • 20 fpm red night flashing operating mode
  • Horizontal beam coverage = 360°
  • Vertical beam profile: 3° minimum
  • Form "C" Failure contact controller

Electrical Characteristics

  • Operating voltage: 24 V DC
  • Power consumption: Light 6 watts / 0.006 KVA. (With Beacon and two OL1VLED3, 8.5 watts / 0.0085 KVA

Physical Characteristics

  • Light Dimensions: 444x279mm / 17.5"x11" nominal
  • Controller Dimensions (L x W x H ): 304x355x152mm / 14"x12"x6" nominal
  • Light Weight: 10.4kg/23Lbs. Nominal
  • Controller Weight: 6.8kg/15Lbs. Nominal
  • Base material: Aluminum blue power coat
  • Operating temperature range: -55ºC to +55 ºC/-67ºF to +130ºF

System Design and Control

  • Proprietary reflector design
  • Use as a stand alone light or as part of a system


Flashes per Minute N/A 20
Power Consumption (W)
@ 20°C
<3 <6