Originally Posted by
Ricky Bobby
ATO's are given a delegate's handbook with guidelines concerning such matters.
http://www.casa.gov.au/manuals/regul...del/053r09.pdf
which includes -
The duration of the test depends on whether it is for an initial issue or renewal of a rating.
For initial issues, the ground component usually takes an hour, while the flight
component takes 2½ to 3 hours.
For renewals, the ground component averages 20 minutes and the test 1½ to 2 hours.