Quite simply a split duty goes to total duty from original sign to final sign off. The total then applies to total 14 day cumulative duty. However a smart operator (no offence intended) is already preparing to transition to an FRMS which will provide greater flexibility,and ultimately productivity, whilst aptly managing fatigue. I know of one GA operator that went to an FRMS some years ago and has never looked back.
The clock is ticking on the standard industry exemption to CAO48. One hopes most operators will transition sooner rather than later to avoid the last minute scramble that will leave them choking under the non-FRMS rules while waiting for CASA approval of their FRMS. A number of companies in Australia now specialise in designing and implementing company specific FRMS.
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