ERFly
Posts: 162
Joined: Thu Aug 22, 2002 12:47 pm

WN Cockpit Question

Sat Aug 09, 2003 5:41 am

I have a quick question. What is the panel just under the ADFs in the picture? It is the one with the blue call light on it. What is it used for?


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Photo © Kevin E. Cook



[Edited 2003-08-08 22:42:22]
 
dash8tech
Posts: 708
Joined: Mon Jul 05, 1999 8:40 pm

RE: WN Cockpit Question

Sat Aug 09, 2003 6:25 am

That is the ATSCALL Decoeder panel, an improved version of SELCALL.

Usually used by dispatch or maintenance control. Can call one a/c, a select group of planes, or the entire fleet using "All Call" mode. Blue light rings and flashes, pilot answers and is able to talk over the VHF or HF Comm.
 
OPNLguy
Posts: 11191
Joined: Tue Jun 15, 1999 11:29 am

RE: WN Cockpit Question

Sun Aug 10, 2003 12:10 am

Yes, it's an ATSCALL decoder...

At SWA, MX doesn't use it, as the dispatcher is the only one capable of initiating contact with the aircraft. The station folks don't use it either. Also, SWA doesn't use it for groups/fleets of aircraft, just each individual tail number.

As an aside, the -300s/-500s/-700s are scheduled to have the ATSCALL boxes yanked out once ACARS installations are complete on these aircraft. When that happens, the dispatcher will simply send a message to come up on a specific location/frequency, and they'll then converse via voice. The -200s will keep their ATSCALL stuff until they're retired, with the last ones going in 2005.
ALL views, opinions expressed are mine ONLY and are NOT representative of those shared by Southwest Airlines Co.

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