Obstruction Light Selection for Vertical Structures

ELEVATION 
MARKED
Low Intensity Obstruction Light Type - A/B
Medium Intensity Obstruction Light Type - A
Medium Intensity Obstruction Light Type - B/C
High Intensity Obstruction Light Type - A
<45m YES only night      
<45m NO only night      
>45m <105m YES only night 1

 

only night 2  
>45m <105m YES   only night    
>45m <105m NO   day night    
>105m <150m YES only night 1   only night 2  
>105m <150m YES   only night    
>105m <150m NO   day night    
>150m YES only night 1, 3   only night 2  
>150m YES   only night 3    
>150m YES       day night 4
>150m NO   day night 3    
>150m NO       day night 4

 

  1. Lower Level
  2. Upper Level
  3. More Than one level (Distance between levels 52m maximum)
  4. More Than one level (Distance between levels 75m maximum)

 



Technology & Support

Basic knowledge Obstruction Lights Definition Types of Obstruction Lights Need of Obstruction Lights Number of Obstruction Lights Lights Selection Warranty Policy Industry Regulation

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