I bet a lot of people don't realise that Goulburn has an airport.
Goulburn Airport - International Airport Code GUL - is a regional airport located 7km south of Goulburn. It is mainly used for Pilot Training and Skydiving activities.
To find this Multi cache, go to the posted coordinates. There you will see a sign advertising one of the above mentioned activities. On that sign there is a 10 digit number. Let this number be (AB) CDEF GHJK.
The cache is located at :
S34 48 . (B+1) (C-1) (G+1)
E149 44 . (K+3) (E+1) (H+J+E+F-1)
Good Luck and BYO Pen.