[P1_aka_P1]

Shortly followed by the counter argument, which maybe the crux of the matter.  Interesting discussion.

Folks,
RE. ASTRA:

ASTRA has never had a choice about ADS-B, yes or no!

Nor has ASTRA had any decisive say in the ADS-B mandate.

In early days, some several members of ASTRA raised questions about the AsA/CASA proposals, not limited to requesting formal justification (risk based) of the proposals, and far more important, a cost/benefit justification.

In the two major CASA attempts at cost/benefit, "benefits" of ADS-B were in fact benefits to AsA from the move to GNSS and the closing a large proportion of the ground based nav. aid system. Nothing to do with ADS-B.

A one senior Flight Operations rep. from Virgin said to me, at an ASTRA meeting; "I love the idea, but how am I going to justify the cost to my board".

That remains true to this day, it is not possible to identify savings from ADS-B, as opposed to other changes in airspace management in recent years over Australia.

Tootle pip!!

Lead Sled on target, as usual.