PPRuNe Forums - View Single Post - Helipad Obstacle Guide / Plate (CAT A)
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Old 13th April 2011 | 02:12
  #13 (permalink)  
FlightPathOBN
 
Joined: Mar 2011
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From: engineer at large
It appears from his question he is asking about obstacles, so they can decide CatA or B...

the plates are examples of obstacles, and the regulatory guidance is for obstacle surveys and areas of survey.
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