FAA: Boeing's New 787 May Be Vulnerable to Hacker Attack

Mxsmanic wrote in
:

george writes:

If such an unlikely event might occur the pilots will go through
their drills.

There aren't any drills that would help.

Computerised systems falling over is not a new thing
That's why the aircrew are there and trained to handle such problems

They are not trained to handle such problems. When the aircraft is
controlled by computer and the computer fails, there isn't any
training that will make any difference.


Nope, wrong again.

Manual reversion is primitive in a 'bus, but adequate for the task.

Of course, don;'t take my word for it. I've only been trained to fly one
and have.

You are an idiot.


Bertie

On Wed, 9 Jan 2008 19:05:43 +0000 (UTC), Bertie the Bunyip
wrote in :

Manual reversion is primitive in a 'bus, but adequate for the task.

Are you implying that there is a physical link between the flight
controls and the control surfaces?

Larry Dighera wrote in
:

On Wed, 9 Jan 2008 19:05:43 +0000 (UTC), Bertie the Bunyip
wrote in :

Manual reversion is primitive in a 'bus, but adequate for the task.

Are you implying that there is a physical link between the flight
controls and the control surfaces?


Go **** yourself killfile boi



Bertie

On Jan 10, 8:16 am, Larry Dighera wrote:
On Wed, 9 Jan 2008 19:05:43 +0000 (UTC), Bertie the Bunyip
wrote in :

Manual reversion is primitive in a 'bus, but adequate for the task.

Are you implying that there is a physical link between the flight
controls and the control surfaces?

Oh lord no.
We pray toward the right and the aircraft responds by turning right.
It would be blasphemy to have a connection between controls and
control surfaces.
Cynical mode off

george wrote in news:df5c7fac-837e-4313-b2b5-a0bc3f04f011
@d70g2000hsb.googlegroups.com:

On Jan 10, 8:16 am, Larry Dighera wrote:
On Wed, 9 Jan 2008 19:05:43 +0000 (UTC), Bertie the Bunyip
wrote in :

Manual reversion is primitive in a 'bus, but adequate for the task.

Are you implying that there is a physical link between the flight
controls and the control surfaces?

Oh lord no.
We pray toward the right and the aircraft responds by turning right.
It would be blasphemy to have a connection between controls and
control surfaces.

The rudder and the stab are both stil physically ( hydraulics) attached to
the flight controls. Crews are trained to land the airplane using these
alone.
It hasn't had to be done for real yet.


Bertie

On Wed, 9 Jan 2008 19:43:17 +0000 (UTC), Bertie the Bunyip
wrote in :

The rudder and the stab are both stil physically ( hydraulics) attached to
the flight controls.

Unless there are hydraulic cylinders attached to the flight controls
to activate the rudder and elevator (doubtful), there is going to be a
requirement for hydrolytic pressure from a pump to activate those
control surfaces. If that hydraulic pump can be controlled by the
hypothetical hacker through the computer system, vulnerability exists,
if the Dreamliner systems are similarly engineered.

Larry Dighera wrote in
:

On Wed, 9 Jan 2008 19:43:17 +0000 (UTC), Bertie the Bunyip
wrote in :

The rudder and the stab are both stil physically ( hydraulics)
attached to the flight controls.

Unless there are hydraulic cylinders attached to the flight controls
to activate the rudder and elevator (doubtful), there is going to be a
requirement for hydrolytic pressure from a pump to activate those
control surfaces. If that hydraulic pump can be controlled by the
hypothetical hacker through the computer system, vulnerability exists,
if the Dreamliner systems are similarly engineered.



Go **** yourself Netkkkop


Bertie

Larry Dighera wrote:
On Wed, 9 Jan 2008 19:43:17 +0000 (UTC), Bertie the Bunyip
wrote in :

The rudder and the stab are both stil physically ( hydraulics) attached to
the flight controls.

Unless there are hydraulic cylinders attached to the flight controls
to activate the rudder and elevator (doubtful), there is going to be a
requirement for hydrolytic pressure from a pump to activate those
control surfaces. If that hydraulic pump can be controlled by the
hypothetical hacker through the computer system, vulnerability exists,
if the Dreamliner systems are similarly engineered.

Never seen a system where the hydraulic pump was controlled; valves, yes,
pumps, no.

What would one "control"?

--
Jim Pennino

Remove .spam.sux to reply.

wrote in :

Larry Dighera wrote:
On Wed, 9 Jan 2008 19:43:17 +0000 (UTC), Bertie the Bunyip
wrote in :

The rudder and the stab are both stil physically ( hydraulics)
attached to the flight controls.

Unless there are hydraulic cylinders attached to the flight controls
to activate the rudder and elevator (doubtful), there is going to be
a requirement for hydrolytic pressure from a pump to activate those
control surfaces. If that hydraulic pump can be controlled by the
hypothetical hacker through the computer system, vulnerability
exists, if the Dreamliner systems are similarly engineered.

Never seen a system where the hydraulic pump was controlled; valves,
yes, pumps, no.

What would one "control"?



The hydraulics are pressurised, just like on an earthmover or something.
Actuators on the surfaces move them. They're pumped up to 3,000psi in
just about every western airliner flying today.
In older "manual" anirplanes, like the 747, the pilot's controls move
the valves on the actuators ( power control units or PCU, actually).
With a FBW 'bus, the computer is in between the two, with the exception
of the stab trim, which moves the whole stab, like on a 'cub, and the
rudder, which works like any other hydraulic airplane. If the computers
all go tits up, the crew can disable the computers and fly the airplane
on the rudder and stab trim and the thrust levers can also be used
manually.
For certification, the 777 and 787 will have to have a similar
provision.


Bertie

On Wed, 09 Jan 2008 22:15:03 GMT, wrote in
:


What would one "control"?

The motor that drives the pump.