AUTO position on transponder control panel

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1st May 2005 | 05:43

#1 (permalink)

TOPBUG

Thread Starter

Joined: Jan 2002

Posts: 15

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From: UK

AUTO position on transponder control panel

Can anyone enlighten me on this? I cant find any info anywhere.

1st May 2005 | 09:10

#2 (permalink)

dv8

Joined: May 2001

Posts: 376

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From: Location Location

It automatically changes from TARA to TA only when below +/- 1000 agl

1st May 2005 | 09:29

#3 (permalink)

t6 sparky

Joined: Mar 2005

Posts: 25

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From: sandhurst

What does "plus or minus 1000 above ground level" mean?

1st May 2005 | 11:13

#4 (permalink)

airbusbatics

Joined: Sep 2003

Posts: 49

Likes: 0

From: SouthEast Asia

On the A320, the transponder mode selector has 3 positions, being:

STBY : Both ATC transponders are electrically supplied but do not operate.

ON : Selected transponder operates.

AUTO : In flight : Selected transponder operates.
AUTO : On ground : Selected transponder operates only in mode S (Selective aircraft interrogation mode).

Holpe this helps...