Re: ORTA

["Dave Proctor" <daproc@spambait.ozemail.com.au>]

"Tezza" <tezza2000@dingoblue.net.au> wrote in message
39bb8c45$0$26542$7f31c96c@news01.syd.optusnet.com.au">news:39bb8c45$0$26542$7f31c96c@news01.syd.optusnet.com.au...
> "Dave Proctor" <daproc@spambait.ozemail.com.au> wrote in message
> > "avachat" <avachat@dingoblue.net.au> wrote in message
>
> > > The greatest danger is to shunters and train crews performing shunting
> > > utilising Shunt With Radio procedures. When two freighters pass each
> other the
> > drivers inform each other of any  unsafe condition that exists with
their
> train.
> >
> > That is not really safety critical - it is more safety advisory, and is
> the
> > same as if the train had not passed at that location (in other words, it
> > would have ontinued on without the knowledge). Totally different to
being
> > given permission to pass a signal at stop (that IS safety critical).
>
>
> The Shunt With Radio procedure *is* safety critical, which is why it was
> subject to a Union ban in the Metrop for so many years. Didn't stop
shunters
> and NRC staff from trying to get Drivers to do it though.
>
> > And as long as railway employees comply with current rules and regs, it
> > won't be a problem. Those of us involved with aviation have seen
dickheads
> > trying to pass off incorrect clearances, etc, enough to know that it is
a
> > non-issue, particularly with the advent of the new radio networks (if
and
> > when they get it to work properly).
>
> Sydney airport has had a few problems lately with dickheads giving
> unauthorised radio instructions.

Nothing major though, judging by the NOTAM's I have here.

Dave