Medium Intensity Red Obstruction Light – ICAO Type B

Double (Main + Stand-By) medium intensity white obstruction light for night time marking of structures that present a hazard to aviation: flare stacks, chimneys, off-shore platforms. Red Flashing. Meet explosion proof requirements.

Aircraft Warning Light for Explosion Proof MIOLB-E1_xxD: Double, Medium Intensity Type B
Order CodeMIOLB-E1_24DMIOLB-E1_48DMIOLB-E1_23D
Light Type:Medium-Intensity, Type B
Typical use:Night time
Light source:LED
Type of beacon:Double flashing
Colour:Red according to CIE Chromaticity Boundary
Light Intensity:> 2000 cd
Flashing rate:20-40 fpm (flash per minutes)
Material of the body:Die cast aluminum alloy copper free
Material of the transparent cap:Glass
Input voltage:24 Vdc40 – 54 Vdc110 – 230 Vac (50-60 Hz)
Average power consumption:7 watt @ 25fpm 𝜏 = 500 ms7 watt @ 25fpm 𝜏 = 500 ms8 watt @ 25fpm 𝜏 = 500 ms
Peak power consumption:35 + 35 W*35 + 35 W*38 + 38 W*

* Worst case consumption if for a minor fault both main and stand-by lights are working

Download the PDF data sheet.

Download the technical data sheet in PDF format with complete information and technical drawings.


  • designed and manufactured in Italy
  • extremely low power consumption

  • very high resistance to corrosion

  • very easy installation / plug ‘n’ play connections

  • extremely low wind factor
  • 360° horizontal coverage

  • no maintenance required over service life (up to 100.000 hours)

  • wide range of operating voltage: 24, 48 Vdc and 110-230 Vac

  • wide range of operating temperature range: -20 C° to +60 C°


  • use as a stand-alone light or in a multiple light system with control board

  • integrated GPS based flash synchronization between lights (in a multiple light system)
  • remote monitoring and management with the Telemetry© system

  • easy maintenance management with the Retractable© system


ICAO (International Civil Aviation Organization, a specialized agency of the United Nations)ICAO ANNEX 14, Volume I, Chap. 6 Visual aids for denoting obstacles. Type B, Medium-Intensity obstacle light.
FAA (Federal Aviation Administration, an agency of the United States Department of Transportation)FAA AC 150/5345-43 Specification for obstruction lighting equipment. Type L-864, Medium-Intensity obstacle light.
CAA-CA Civil Aviation Authoritynone Medium-Intensity obstacle light.
ATEX EU directives describing allowed equipments in environments with explosive atmosphereATEX Directive 2014/34/EU, Equipment for potentially explosive atmospheres.
IECEx Standards relating to equipment for use in explosive atmospheresIECEx Standards relating to equipment for use in explosive atmospheres.
EAC Eurasian Conformity CU TR 012/2011 on the safety of equipment in explosion hazardous environments.

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Success stories

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Easy maintenance, in challenging circumstances

Customer: The world’s largest flare manufacturer
Location: Abu Dhabi, UAE
Year: 2009

Flares are combustion smokestacks used in petrochemical plants to burn dangerous gases. They are vertical structures with heights greater than 45 m, made […]