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Thread: HF keying when refuelling represents fire hazard?
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Old 22nd March 2012 | 10:03
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hetfield
 
Joined: Mar 2006
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From: Choroni, sometimes
It's not the frequency (HF or VHF), it has to do with possible sparks at the antenna-coupler, in old days an electro-mechanical device.

AFAIK in modern planes fully electronic, so no restriction on refueling.
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