South Arm Convict Trail - John Humphreys Multi-Cache

The South Arm Convict Trail is 4.5 km. This is one of many caches we have placed along the way. If you wish to walk, cycle or exercise the dog you can amble along from South Arm to Opossum Bay. Please allow one hour or two hours return.

If you wish to park and grab, the caches are on the trail, just choose a safe spot to pull off and park nearby.

Enjoy reading the convict history of the South Arm Peninsula.

This a simple two stage multi. 

At the listed coordinates answer the question What is the name of the Convict ship? Now work out GZ from the following:

Where A = Number of the letter "D"s in both words.

Where B = Total number of letters in both words minus 3.

Where C = Number of letter "B"s in both words.

Where D = Number of letters in the first word minus 5.

Where E = Number of letters in the second word plus 1.

Where F = Number of letters in first word plus 2.

GZ can be found at S43 01 ABC E147 25 DEF.