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Old 30th December 2007 | 21:35
  #11 (permalink)  
MightyGem
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Joined: Jul 1999
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From: Warrington, UK
Where is it written that it is "not allowed"?
Hmmm...I thought it was in the ANO, but I can't find it. We've had this question on OPC tests, and the answer was that helicopters can show a white HISL anti coll by day, but it must be red at night.
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