Re: ORTA

["Tezza" <tezza2000@dingoblue.net.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.