What defines a near miss?

[acampbel]

Flew out of Sydney last Wednesday on the 9am Virgin flight to Brisbane. It was a beautiful morning and shortly after take-off we had a great view of the CBD, Opera House, Harbour Bridge ..... and then a Rex flight on approach to the airport.

I know aircraft often seem closer than they really are, but I would estimate the vertical separation at less than 50m and the horizontal at between 200 and 300m. The fact that we were banked over in a hard right turn at the time and then powered up into a steep climb out to sea made me think that it was the Virgin plane who was in the wrong place.

So what is the official (CASA?) minimum separation for aircraft in Sydney, and how do you find out if a reported "incident" took place?


Cheers,


Andrew

[Oops! - Wrong forum ...... someone will be along soon to move it.]

 

[Mal]

A serious event would end up here:

Transport Safety Investigation Reports

I don't know where the minimum clearances can be found.

 

[markis10]

Being terminal area ops I would say it was visual separation being used, however the rules can be found in chapter 10 here: http://www.casa.gov.au/rules/1998casr/172/172m10.pdf

 

[Dave Noble]

Isn't a near miss where 2 aircraft collide ( ie nearly missed )

Dave

 

[munitalP]

Isn't a near miss where 2 aircraft collide ( ie nearly missed )

Dave

"Aye, t'was the shortest runwey in da world laddie, but blessed be t'was the widest aye ave ever seen...."

 

[Expon]

So what is the official (CASA?) minimum separation for aircraft in Sydney, and how do you find out if a reported "incident" took place?

Visual sep could be done by the pilots or tower if close to the airfield, whihc means they can be very close if no collision risk exists. Terminal radar standard is 3 nautical miles. On final for the parallel runways they can be 760m apart as that is how far the runways are apart, however any variation to this will cause and aircraft to be broken off approach.

 

[SeatBackForward]

Isn't a near miss where 2 aircraft collide ( ie nearly missed )

Dave

Yeah as in "look, they nearly missed".

Also this one - the defintion of a good pilot is one with the same number of landings as take-offs.

 

[acampbel]

Isn't a near miss where 2 aircraft collide ( ie nearly missed )

Dave

Near miss (safety)

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A near miss is an unplanned event that did not result in injury, illness, or damage - but had the potential to do so. Only a fortunate break in the chain of events prevented an injury, fatality or damage. Although human error is commonly an initiating event, a faulty process or system invariably permits or compounds the harm, and is the focus of improvement. Other familiar terms for these events is a "close call", or in the case of moving objects, "near collision".


But moving on ........... after viewing the useful information provided by M&M, I have come to the opinion that regardless of the 50 different criteria for separation - what I had last Wednesday was definitely an airprox event.



Cheers,


Andrew

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