When SAR is privatised the current SAR aircrew will just leave the RAF/RN and take their skills to who ever gets the contract.
When these aircrew retire in time where will the new aircrew come from and will the operator be prepared heavily to invest in training the next generation of aircrew?
Although it will happen I'm in favor of using "full time reservists" who although under the control of the MoD would be considerably cheaper to employ than regular service personal.
I only know of Australia, Ireland and New Zealand who use civilians for SAR but am curious to know are there are any other nations?