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1: Traffic Collision Avoidance System. A computerised system in a modern airliner which utilizes radar, transponder data and in-system logic with the aim of providing collision avoidance if Air Traffic Controll fails to.

2: The alarm itself in the cockpit
1: The Aircraft was fitted with a state of the art TCAS

2: The pilots were alerted to the situation by the onboard alarm, audibly sounding off "TCAS ALERT; TCAS ALERT", Their quick response warded off disaster.
TCAS by Trent Hopkinson June 10, 2005
Words you can keep
When you're fed up with a lot of stuff and a lot of people

They can all suck my dick
Man, f*ck this sh*t, tcasmd

I'm done for today, tcasmd

you know what, tcasmd
tcasmd by TJZilla September 17, 2020
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