PPRuNe Forums - View Single Post - How often do aircraft get an external clean?
Old 2nd Jun 2016, 07:04
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PDR1
 
Join Date: Nov 2015
Location: Mordor
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I think he's confusing "spoilers" with "speed brakes". Of course the spoilers won't deploy unless/until the aeroplane goes weight-on-wheels for [what I hope are] obvious reasons...

PDR
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