High-intensity strobe lights are located on the aircraft to aid in collision avoidance. Navigation lights in civil aviation are required to be turned on from sunset to sunrise.

5.5a-IR strobe concept 720High-intensity white strobe lights are part of the anti-collision light system, as well as the aviation red or white rotating beacon. The anti-collision light system (either strobe lights or rotating beacon) is required for all aircraft operating in poor visibility and is recommended for good visibility operations.

In a hostile environment these visible strobes are converted to infrared strobes to reduce the visible detection by the enemy. These strobes are converted back to visible light strobes when the aircraft returns to friendly environments. The purpose of this IRAD program was to develop an alternative solution to an existing visible strobe in an effort to provide the U.S. Army aviation community with a highly reliable Infrared (IR) Strobe integrated with a selectable visible strobe.

5.5b-IR strobe 720Environmental:

  • Acceleration: 8g all axis
  • Temperature: +160 to -60 F
  • Altitude: 50,000 ft.
  • Vibration: Curve IV IAW MIL-E-5400
  • Shock: 8g all axis; 6 cycles
  • Salt Fog: 2 day exposure; 2 day drying
  • Rain: heavy precipitation IAW MIL-E-5400

Chemical Exposure: IAW MIL-E-5400
Electromagnetic Compatibility: IAW MIL-E-5400
Crash-loads: IAW SES-700700
Testing conducted as a completed assembly

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