PPRuNe Forums - View Single Post - Armada EAV-8B Harrier II PLus (Matador) pair at RIAT 2019
Old 31st Jul 2019, 18:06
  #36 (permalink)  
Green Flash
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Helmet internal web tensioners, if memory serves. It pulls his fighting hat tighter onto his head and helps cut out the engine noise. Happy to be corrected if not.