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Airbus A320 Question  
User currently offlineMb339 From Italy, joined Jun 2001, 238 posts, RR: 3
Posted (12 years 9 months 5 days 19 hours ago) and read 6280 times:

Hello!

I've got a question about Airbus A320 electrial system
If i press both p/b of the generator to the OFF position , AC BUS 1 and 2 will be no more powered.
The question is: Will the RAT deploy automatically or not in this case?

A clear explanation will be appreciated!

Thanks

1 replies: All unread, jump to last
 
User currently offlineA320FO From Austria, joined Oct 2000, 211 posts, RR: 1
Reply 1, posted (12 years 9 months 5 days 15 hours ago) and read 6201 times:

Short answer: Yes, the RAT will deploy.

The automatic deployment requires three conditions to be met: AC BUS 1 OFF, AC BUS 2 OFF, ADIRS 1 > 100KT
All fulfilled, the RAT will deploy. As a signal on airspeed is required, it can't happen on ground.
Manual extension is NEVER inhibited, it can be initiated at any time. Thats why the buttons are guarded.

A320FO


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