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Old 26th February 2025 | 08:52
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dcoded
 
Joined: Oct 2009
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TCAS RA without receiving TA beforehand?

Hi,

Like the title says, is it possible a flight could get an RA issued without being issued a TA before?

On aircraft such as A320 which has automatic TCAS BLUE, how would such a system cope with the RA if "TCAS BLUE" wasnt armed by triggering the TA?

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