That is the ATSB report from 18 years ago - rather dated but of some relevance.
You can also download the original from the ATSB web site at
http://www.atsb.gov.au/publications/1991/limit_see_avoid.aspx in PDF
format - so this may be a less bulky way for those with dial-up to
obtain and print it.
Unfortunately they never published a report on the limitations on use
of radio for collision avoidance - and hopefully we all know that
FLARM is never intended to be used as a primary collision-avoidance
tool but only as a last-resort defence when radio and lookout have
already failed to reduce the collision risk. It only gives a maximum
of 25 seconds warning of an impending near-collision, and often less
than 10 seconds. Just the same as TCAS for faster aircraft, it is a
last line of defence and gives an idea of where to look to see the
collision threat, if you have time!
Wombat
At 01:25 5/11/2009, you wrote:
Thanks to David Pietsch here is article on vision and aviation from
Defence Aviation Air Force Safety.. Page 5 graph is what i was
talking about - 55 year olds. There is a bit in the article and
some of less interest to gliding but unfortunately I can say 100% of
time i do not see other aircraft but young kids see them all!!!!
Macca.
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