PPRuNe Forums - View Single Post - B737 Rapid Depessurisation headset or speakers on?
Old 30th September 2014 | 12:47
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Denti
 
Joined: Mar 2001
Posts: 4,563
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From: I wouldn't know.
Isn't step 2 "establish crew communications"? In that light it is not quite unimportant if one crewmember can hear the other.

We use the headset after the mask is on.
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