dig back through the list archives, about 3 months iirc. There was a guy
who posted (think he was a pilot). The whole bit went into about the
phases of the flight including durring takeoff and landing what they
call Sterile Cockpit, or something like that. It's basically the only
point in the flight where the flight crew really needs to be on the ball.
That's why its like first and last 10 min. of the flight. Durring that
time, you're so low to the ground that if something goes amiss, you've
barely got time to react if you have time at all. At cruising altitude
It's not that bad, hell you've got 30k feet to drop before you smack
the ground. Plenty of reaction time :-). But durring that startup time
they side on the side of caution and want no outside electronics on
just in case they could transmit some kind of interference...
appologies if facts and numbers are off, I just woke up
and this one is from memory.
-Jeffrey
--
The day MS makes something that doesn't suck
will be the day they start making vacuum cleaners.
On Mon, 13 Mar 2000, Andi Allan wrote:
>
> My guess is that while MDs and CDs don't "transmit" any signal, they
> probably do output a lot of RF interference. I can't work out at which stage
> this occurs though. The major problem comes from any oscillator that has
> harmonics in the frequency ranges that are used by the plane's control
> systems - you'll probably notice that the bans are only on Airbusses. I
> would also suspect that these harmonics probably interfere with some of the
> short range naavigation equipmemt, hence the ban on electrical device use at
> take-off and landing (though that could just be so you don't brain someone
> with your laptop iff there's a hard landing...)
>
> andi
>
> > Just wondering...why wouldn't the air crew let me listen to my Md during
> > flight? They said no cd's or md's, but certain other elictrical goods were
> > OK. That doesn't make sense as md's and cd's do not transmit any signal,
> > that I know of, that could interfere with the plans equip.
>
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