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Author: Michael HenryMichael Henry Date: Sep 7, 2008 03:36
I was reading this article about a Russian air crash - here is an excerpt...
Russian investigators have discovered that the cockpit-voice
recorder from the crashed Itek Air Boeing 737-200 contains no
trace of the ill-fated jet's final flight.
...
MAK adds that the quality of the flight-data recorder information
is "unsatisfactory" because of partial thermal damage to its
magnetic tape, caused by the intense fire which followed the crash.
Which made me think: magnetic tape?! Surely we've come far enough that
we can be using solid-state storage in flight data recorders?
Does anyone know why FDRs would still be using what, to me, is archaic
technology?
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Date: Sep 7, 2008 05:18
*Russian* ??
Michael Henry wrote:
> I was reading this article about a Russian air crash - here is an
> excerpt...
>
> MAK adds that the quality of the flight-data recorder information
> is "unsatisfactory" because of partial thermal damage to its
> magnetic tape, caused by the intense fire which followed the crash.
>
> Which made me think: magnetic tape?! Surely we've come far enough that
> we can be using solid-state storage in flight data recorders?
>
> Does anyone know why FDRs would still be using what, to me, is archaic
> technology?
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Author: Stealth PilotStealth Pilot Date: Sep 7, 2008 05:24
On Sun, 07 Sep 2008 20:36:59 +1000, Michael Henry
gmail.com> wrote:
>I was reading this article about a Russian air crash - here is an excerpt...
>
> Russian investigators have discovered that the cockpit-voice
> recorder from the crashed Itek Air Boeing 737-200 contains no
> trace of the ill-fated jet's final flight.
>
> ...
>
> MAK adds that the quality of the flight-data recorder information
> is "unsatisfactory" because of partial thermal damage to its
> magnetic tape, caused by the intense fire which followed the crash.
>
>Which made me think: magnetic tape?! Surely we've come far enough that
>we can be using solid-state storage in flight data recorders?
>
>Does anyone know why FDRs would still be using what, to me, is archaic
>technology?
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Author: Peter DohmPeter Dohm Date: Sep 7, 2008 08:55
"Michael Henry" gmail.com> wrote in message
news:00d3a924$0$20321$c3e8da3@news.astraweb.com...>I was reading this article about a Russian air crash - here is an
>excerpt...
>
> Russian investigators have discovered that the cockpit-voice
> recorder from the crashed Itek Air Boeing 737-200 contains no
> trace of the ill-fated jet's final flight.
>
> ...
>
> MAK adds that the quality of the flight-data recorder information
> is "unsatisfactory" because of partial thermal damage to its
> magnetic tape, caused by the intense fire which followed the crash.
>
> Which made me think: magnetic tape?! Surely we've come far enough that we
> can be using solid-state storage in flight data recorders?
>
> Does anyone know why FDRs would still be using what, to me, is archaic
> technology? ...
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Author: Sr20goerSr20goer Date: Sep 7, 2008 14:51
"GB" threefiddy.com> wrote in message
news:00d3c863$0$20308$c3e8da3@news.astraweb.com...> Michael Henry gmail.com> wrote in news:00d3a924$0
> $20321$c3e8da3@news.astraweb.com:SNIP
> It's not all that archaic. Aviation trails the bleeding edge by a
> very long margin, and with good reason. The bleeding edge usually
> draws blood at some point! I was initially surprised to learn, in
> circa 1999, that the B767 didn't use GPS for navigation. I
> subsequently learned that they don't need it... GPS isn't really
> up to scratch. (I'm not gonna explain that here, that's fodder
> for another post!)
>
> GB
GB
You referring to INS?
But they do now use GPS for 'local' navigation (SID, STAR, flextrack etc).
Brian
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Author: Sr20goerSr20goer Date: Sep 8, 2008 04:06
"GB" threefiddy.com> wrote in message
news:00d452a1$0$14351$c3e8da3@news.astraweb.com...>> You referring to INS?
>> But they do now use GPS for 'local' navigation (SID, STAR, flextrack
>> etc). Brian
>
> Yes I am, and yes I know. My (maybe badly made) point was that
> the new technology wasn't adopted for a very long time after
> it had become 'mainstream' in other fields.
>
>
> GB
No, not badly made, I was just wanting to check it was INS.
I agree re aviation 'lagging' with technology - same philosophy as you,
partly 'accreditation' of equipment, partly 100.1%% safety requirement :)
cheers
Brian
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Author: David LesherDavid Lesher Date: Sep 8, 2008 06:08
Michael Henry gmail.com> writes:
> MAK adds that the quality of the flight-data recorder information
> is "unsatisfactory" because of partial thermal damage to its
> magnetic tape, caused by the intense fire which followed the crash.
>Which made me think: magnetic tape?! Surely we've come far enough that
>we can be using solid-state storage in flight data recorders?
>Does anyone know why FDRs would still be using what, to me, is archaic
>technology?
Co$t is why. And while flash-based systems may offer more survivable
recording; consider the recent Qantas incident, where the
depressurization itself was overwritten by subsequent flight.
--
A host is a host from coast to coast.................wb8foz@ nrk.com
& no one will talk to a host that's close........[v].(301) 56-LINUX
Unless the host (that isn't close).........................pob 1433
is busy, hung or dead....................................20915-1433
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Date: Sep 8, 2008 14:35
On Mon, 8 Sep 2008 13:08:56 +0000 (UTC), David Lesher
panix.com> wrote:
>Michael Henry gmail.com> writes:
>>> MAK adds that the quality of the flight-data recorder information
>> is "unsatisfactory" because of partial thermal damage to its
>> magnetic tape, caused by the intense fire which followed the crash.
>
>>Which made me think: magnetic tape?! Surely we've come far enough that
>>we can be using solid-state storage in flight data recorders?
>
>>Does anyone know why FDRs would still be using what, to me, is archaic
>>technology?
>
>Co$t is why. And while flash-based systems may offer more survivable
>recording; consider the recent Qantas incident, where the
>depressurization itself was overwritten by subsequent flight.
They could put in a bigger chip for longer recording. I thought most
DRs were only about 1/2 hr looping?
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Author: Sr20goerSr20goer Date: Sep 8, 2008 14:57
>>
>> "GB" threefiddy.com> wrote in message
>> news:00d3c863$0$20308$c3e8da3@news.astraweb.com...>>> Michael Henry gmail.com> wrote in
>>> news:00d3a924$0 $20321$c3e8da3@news.astraweb.com:>> SNIP
>>
>> GB
>> You referring to INS?
>> But they do now use GPS for 'local' navigation (SID, STAR, flextrack
>> etc). Brian
>
>
> No, they use GPS to update the INS.
> Bertie ...
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