That's it Vref+5. Not a thread drift, not even a mil. They didn't want the answer, so they didn't ask the question.
The deals been done, but for 100 hours/crew/year, surely it would be better to use a different platform and add or integrate SAR to/with an existing operation? SAPL DHC8s or RAAF P3s would at least provide aircrew with lots of practice. How does the cost compare? Who cares. It's only tax payer's money.
George