Cirrus BRS deployment

http://makeashorterlink.com/?L10433EF7

Just reported on Aero News Net: Another Cirrus deployed it's chute when ALL
OF THE ELECTRONICS went out leaving the pilot stranded above an overcast...
The article cites recent maintenance of some sort... The issue here is
having all your eggs in one basket... I betcha the factory will say that it
is impossible for everything to fail at once - apparently they never met
Bubba the Mechanic... and just wait till you have your FADEC go poop on
take off...

Once all the magic smoke leaks out of those electronic chip thingies, life
is a bitch... Do not bet your life with a GA airplane that has a total
electronic panel... You still need a few steam gauges, and a spare
nav/com/ils on the back up battery, and at least one vacuum gyro...

denny

"Dennis O'Connor" wrote:
Once all the magic smoke leaks out of those electronic chip
thingies, life is a bitch... Do not bet your life with a GA
airplane that has a total electronic panel... You still need a
few steam gauges, and a spare nav/com/ils on the back up
battery, and at least one vacuum gyro...

Don't Cirruses have backups to the PFD?
--
Dan
C172RG at BFM
(remove pants to reply by email)

yes they do, in the bolster just below the PFD

John

"Dennis O'Connor" wrote in message
...
Just reported on Aero News Net:

ANN is the National Enquirer of aviation news. The pilot of this particular
Cirrus radioed for help, so his electrical system did not fail.

Might come as a bit of a shock to you, but Cirrus has backup instruments. So
do the new Cessnas.

ANN is the National Enquirer of aviation news. The pilot of this particular
Cirrus radioed for help, so his electrical system did not fail.

Nor did the Propwash say it did! See my post under another title,
quoting from the article.

The instruments failed "one by one", not the electrical system.

I enjoy the heck out of Propwash, and read it every morning in the
form of an email newsletter. (Skip through it, I should say; there's
too much to read.)

all the best -- Dan Ford
email: (put Cubdriver in subject line)

The Warbird's Forum www.warbirdforum.com
The Piper Cub Forum www.pipercubforum.com
Viva Bush! blog www.vivabush.org

Dennis,

You should go work for the NTSB, since you're clairvoyant an accident
causes.

Once all the magic smoke leaks out of those electronic chip thingies, life
is a bitch...


Once something fails, the regulation-mandated back-up kicks in. It doesn't
matter whether that's vacuum, a second battery or whatever else. There's
nothing inherently "better" about steam gauges - except they satisfy
reluctance in the face of progress. We'd still be living on trees if
everybody had that mindset.

--
Thomas Borchert (EDDH)

"Thomas Borchert" wrote in message
...

Once something fails, the regulation-mandated back-up kicks in. It doesn't
matter whether that's vacuum, a second battery or whatever else. There's
nothing inherently "better" about steam gauges - except they satisfy
reluctance in the face of progress. We'd still be living on trees if
everybody had that mindset.

We have backup trees in the front yard which we can
climb into if the house becomes uninhabitable for some
reason.

Assume you are in an automobile, boat, or locomotive with a glass cockpit,
and you have a total failure of the glass cockpit.

You close the throttle and/or apply the brakes and come to a stop. No big
deal.

But if you are in an aircraft and have a total glass cockpit failure you
have a major problem.

Contrary to your statement, there is something "better" about steam gauges:
a history. With steam gauges we have a history, we know about when they will
fail and what the failure points will probably be.

But with a glass cockpit, the only failure information we have is
computer-projected, we don't really know much about what their in-service
failure history will be.

Prudence would dictate not only that you back up an unproved system, but
that you back it up with a proved system.

Five years or so down the road, when we have some realistic, real-world
failure data, you will probably see pilots becoming more receptive to glass
cockpits. But until more service data is built up, a healthy dose of caution
is in order...





"Thomas Borchert" wrote in message
...
Dennis,

You should go work for the NTSB, since you're clairvoyant an accident
causes.

Once all the magic smoke leaks out of those electronic chip thingies,
life
is a bitch...


Once something fails, the regulation-mandated back-up kicks in. It doesn't
matter whether that's vacuum, a second battery or whatever else. There's
nothing inherently "better" about steam gauges - except they satisfy
reluctance in the face of progress. We'd still be living on trees if
everybody had that mindset.

--
Thomas Borchert (EDDH)

Unless you're completely immersed in IMC, even a "total failure" of a glass
cockpit should be more of an inconvenience than a safety issue. And if
you're talking about those IMC conditions, then you already have some
complex systems in use that you rely on which could just as easily fail as
the glass versions.


"Bill Denton" wrote in message
...
Assume you are in an automobile, boat, or locomotive with a glass cockpit,
and you have a total failure of the glass cockpit.

You close the throttle and/or apply the brakes and come to a stop. No big
deal.

But if you are in an aircraft and have a total glass cockpit failure you
have a major problem.

Contrary to your statement, there is something "better" about steam
gauges:
a history. With steam gauges we have a history, we know about when they
will
fail and what the failure points will probably be.

But with a glass cockpit, the only failure information we have is
computer-projected, we don't really know much about what their in-service
failure history will be.

Prudence would dictate not only that you back up an unproved system, but
that you back it up with a proved system.

Five years or so down the road, when we have some realistic, real-world
failure data, you will probably see pilots becoming more receptive to
glass
cockpits. But until more service data is built up, a healthy dose of
caution
is in order...





"Thomas Borchert" wrote in message
...
Dennis,

You should go work for the NTSB, since you're clairvoyant an accident
causes.

Once all the magic smoke leaks out of those electronic chip thingies,
life
is a bitch...


Once something fails, the regulation-mandated back-up kicks in. It
doesn't
matter whether that's vacuum, a second battery or whatever else. There's
nothing inherently "better" about steam gauges - except they satisfy
reluctance in the face of progress. We'd still be living on trees if
everybody had that mindset.

--
Thomas Borchert (EDDH)