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Search: Posts Made By: Graybeard
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Forum: Rumours & News
25th Mar 2007, 03:54
Replies: 1,634
Views: 675,101
Posted By Graybeard

You are saying the skin carries enough wing load...

You are saying the skin carries enough wing load that the spars can't hold the wing on if the lower skin fails? I doubt that. Else, why have spars?
GB
Forum: Rumours & News
5th Feb 2007, 02:55
Replies: 1,634
Views: 675,101
Posted By Graybeard

Here's some pure speculation: Maybe neither pilot...

Here's some pure speculation: Maybe neither pilot had flown the Legacy beyond radar range, and upon seeing "TCAS OFF" and "TPR SBY," they erroneously concluded this was normal for this airplane in...
Forum: Rumours & News
5th Feb 2007, 01:52
Replies: 1,634
Views: 675,101
Posted By Graybeard

The data busses out of the TCAS processor, ...

The data busses out of the TCAS processor, digital altitude source, and the transponder report one of three conditions: Valid, Fail, or No Computed Data.

If the transponder is in standby mode,...
Forum: Rumours & News
23rd Dec 2006, 15:04
Replies: 1,634
Views: 675,101
Posted By Graybeard

Good thought, Bobusse. Standby (or off) mode is...

Good thought, Bobusse. Standby (or off) mode is needed while the aircraft is at the gate, at least. It has been pretty much agreed there was a failure in the Legacy transponder or its control. Would...
Forum: Rumours & News
21st Dec 2006, 14:44
Replies: 1,634
Views: 675,101
Posted By Graybeard

Reply Lights

Reply lights were eliminated in the design of Mode S, in about 1987.

Regarding the old ATCRBS transponders, the lack of a reply light is not the best in human factors to draw attention.

GB
Forum: Rumours & News
15th Dec 2006, 00:23
Replies: 1,634
Views: 675,101
Posted By Graybeard

I'm not familiar with Embraers, but I seriously...

I'm not familiar with Embraers, but I seriously doubt the transponders are in a location to be affected by altitude and cold. They should be inside the pressure vessel. The antennas, otoh, are...
Forum: Rumours & News
3rd Dec 2006, 15:56
Replies: 1,634
Views: 675,101
Posted By Graybeard

Progress in the Media

Maybe it's been too subtle for you all to notice, but there has been a change in the tone of the Brazilian media. It's gone from "The Boeing was hit," to "the aircraft collided."

The press are...
Forum: Rumours & News
28th Nov 2006, 12:15
Replies: 1,634
Views: 675,101
Posted By Graybeard

Abbr. and Explanation

Sorry: R/T = Receiver/Transmitter, or Transceiver. It's also called a TCAS Processor. R/T is the part of consequence here.

Next time you're doing a preflight, take note of the DME and...
Forum: Rumours & News
27th Nov 2006, 23:18
Replies: 1,634
Views: 675,101
Posted By Graybeard

TCAS Tidbits

Greetings, all. I just joined, after slogging through all the posts in this thread. Some of what follows goes back to posts in the first days after the tragic accident, and may no longer be...
Showing results 1 to 9 of 9


 
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