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737 missing over Brazil

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rchcfi

How slow can you go
Joined
Sep 18, 2002
Posts
385
The banner on CNN's website is saying that a 737 is missing over Brazil. But there is no story along with it. Anyone have any details?
 
SAO PAULO, Brazil (Reuters) -- Brazilian airline Gol said Friday it was
trying to locate a passenger plane that disappeared from radar and failed to arrive
at its destination.

The head of Brazil's airports authority, Infraero, said the Gol plane
collided with a smaller aircraft in the Amazon region, the Globo news agency
reported.

The smaller plane, an executive jet, landed with a damaged wing, Globo
reported.

Gol flight 1907 left Manaus in the afternoon but did not arrive in Brasilia
as scheduled, a spokesman for the Manaus airport said.

The company said the flight had 155 passengers on board but made no mention
of crew members. Brazil's civil aviation authority said the plane was
transporting 155 people.

Copyright 2006 Reuters
 
People asked about TCAS on pprune. IF this was a non radar enviroment even if both A/C had their transponders on correct me if I am wrong TCAS does'nt work because it gets it info from the radar facility?
 
People asked about TCAS on pprune. IF this was a non radar enviroment even if both A/C had their transponders on correct me if I am wrong TCAS does'nt work because it gets it info from the radar facility?

Not true. TCAS II can operate in a "wisper-shout" mode. If there is plenty of secondary radar inquiring aircraft in the area, TCAS operates in a low power mode. However, if there is little or no secondary radar activity, it ramps up the power to interrogate the local area. TCAS IS an active system and will work without secondary radar. But to see anything, responding aircraft MUST have an operating mode C transponder (only mode A will show a target, but with no altitude info), and the transponder MUST be turned on.

Some of the low cost "TCAD" systems that you see in GA aircraft these days are passive only, meaning that they require a ground facility to trigger interrogation. There is also the "traffic infomation system" or TIS, which is an entirely different sort of system (traffic info datalinked from ground stations).

Nu
 
Based on the list of passengers, I was able to go to the Brazilian version of Myspace (Orkut) and check who some of the passengers are. According to someone that was supposedly family of one of the victms, there are survivors. I don't know if this is just speculation or if it's inside info that the airline told the families but haven't been published yet.
 
If there are survivors, lets pray for them. Altho I would be highly skeptical. First, the plane, if it even "landed" in a controlled attitude, landed in 20 foot tree-ed rain forest, at night. There are over 20 species of ants (ants alone) in the rain forest. Along with monkeys, tigers, etc.

So I question the survivability of any "landing" in the rain forest by a 737. A Cessna, pancake it in, maybe. A 737? Doubt it.

Another note, how are the "survivors" getting word out? Via cell phone? Etc? It is highly unlikely the SAR teams can physically penetrate and see down to observe people walking around.

SAR Helicopters? They would have to launch from a major city, and get fuel along the way, then only be on station for XXX minutes. Fuel bladdres for a make-shift refuel station would need to be set up. Etc etc

SAR capablity in South America is pretty sucky except in Chile or Colombia, both countries that have fairly competent military teams and SAR network.

I have personally flown over that area many times. It is NOT a place to have bad luck in.

Survivors - lets hope so
 
The plane crashed nosedown attitute at 300mph. Survivors?

Also read that indians reached the place first and rescue crews must be roped down in the jungle canopy. That oughta be fun.

The Legacy was being delivered to Excel Aviation, I believe it also had the sales rep on board as well. Don't know if pilots were Embraer or Excel. Maybe Legacy Driver has more info?
 
I read it in article last night that the pilot was interviewed and he stated that he turned off his transponder and climbed to a higher level to gain fuel efficiency without letting ATC know.

This morning I found this article:
http://www1.folha.uol.com.br/folha/cotidiano/ult95u126570.shtml
(Translation kind of sucks, I did it myself)
Jet dissapeared from radar before colission with Gol aircraft

In no moment did Cindacta (Integrated Center of Air Defense and Air Traffic Control) in Brasilia detect the possibility of a colision, as the Legacy jet, made by Embraer, dissapeared from radar. There are different possibilities for this, such as a change of route or a failure of the electric system of the aircraft. Perhaps even a failure of one of the radars.

Jato sumiu de radar antes da colisão aérea com avião da Gol

Publicidade

da Folha de S.Paulo, em Brasília

Em nenhum momento as torres do Cindacta (Centro Integrado de Defesa Aérea e Controle do Tráfego Aéreo) em Brasília detectaram a possibilidade de colisão com o Boeing da Gol porque o jato executivo Legacy, fabricado pela Embraer, desapareceu dos radares aeronáuticos. Há diferentes possibilidades para isso. Uma é mudança de rota. Outra, pane no sistema elétrico da aeronave. Uma terceira, a falha de um dos radares.

The information above seems to support very well what the pilot claimed. If it was the pilot's fault, how much trouble could he be in?
 
If there are survivors, lets pray for them. Altho I would be highly skeptical. First, the plane, if it even "landed" in a controlled attitude, landed in 20 foot tree-ed rain forest, at night. There are over 20 species of ants (ants alone) in the rain forest. Along with monkeys, tigers, etc.

20 species of ants? I think ants would not be at the top of my list. I'd want to know if I can live to see an ant after crash landing into a jungle, at night, doing 200 kts.
 
20 species of ants? I think ants would not be at the top of my list. I'd want to know if I can live to see an ant after crash landing into a jungle, at night, doing 200 kts.

Next to ditching at sea, going down the jungle would be my last pick. The canopy is very tall and very dense, making any sort of visual ID next to impossible. The jungle is chock full of toxic insects/reptiles/critters just waiting to make a meal out of you. And jungles are usually located somewhere the SAR is, erm, less than state of the art. "Walking out" of the jungle would be very, very low on the probability scale.

Nu
 

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