The Britmodeller discussion contains various non Canadian items and ideas later shown incorrect. In many ways it was the examination of the evidence rather than the conclusions.
The basic rule should be CCF built incomplete Hurricane airframes unless for the RCAF. A report in December 1941 noted stored mark I airframes were complete less wheels, brakes, tyres and tubes but needing engines, propellers, instruments, and all other appendix A Serial 1160 Embodiment Loan Equipment. The mark II then in production emerged from the factory in a similar state to those stored, "require from England, wheels, brakes, air compressors and drives and couplers for same, hydraulic pump drives and couplings, airscrews and instruments". The brakes being magnesium alloy castings.
To repeat all Canadian built Hurricanes either retained in Canada or shipped to Britain to be fitted with engines and other parts. Also Merlin 28 sent to Canada for Hurricanes were sent to Britain, either stand alone or attached to a Hurricane airframe. Apart from a few test flights as Hurricane mark III the Merlin 28 were used in Lancasters.
486 mark I, disposition of the final 60 were 30 to RCAF with new serials using engines and propellers from Fairey Battles, 30 shipped to Britain where they were recorded as mark II.
50 Sea Hurricane I, meant as a pool in Canada for the Cam ships, in practice used as RCAF, retained RAF serials.
514 mark IIB
1 to Dutch standards flown as serial HC3-287 with US Merlin, instruments etc., it shared its RAF serial AM270 with a Catalina.
400 mark IIB (Can) for the RCAF (became mark XII 16 April 1943 under RCAF AFRO 690), 150 were sent to Britain and given RAF serials.
Survivors of the mark I transferred to the RCAF and the Sea Hurricanes in Canada were upgraded with Merlin 29 to become XIIA and Sea XIIA respectively though by that stage the Sea versions had become land planes.
On 27 August 1941 Canada ordered 400 Hurricanes, 100 for the Netherlands East Indies, 300 for China, this changed to 72 for the Netherlands East Indies, 328 for the USSR, to use Merlin 28 and US built propellers and shipped across the Pacific. By the time production started it was 400 mark IIB (Can) for the RCAF, but in 1943 it was 250 RCAF mark XII and 150 RAF IIB, the 150 giving rise to the claim of the mark XI (Merlin 28 RCAF equipment), these 150 RAF PJ serial airframes were stripped so as to be the same standard as exported mark II production.
Britain records the arrival of 419 mark I airframes including the returning L1848, sent to Canada as the CCF Pattern aircraft, 447 mark II airframes and 234 mark II with engine fitted, 8 mark I and 11 mark II were lost at sea, 80 mark I and Sea retained in Canada, 250 mark XII, total 1,448 (plus L1848), leaving 3 unaccounted for, the Dutch aircraft and probably AM321 and AM322, these two have no known documentation.
When it came to allocations CCF built Hurricanes arriving in Britain were treated like those from British factories, sent to destinations as required. The one major exception was the 1942 rush order for Sea Hurricane II, the incomplete CCF airframes being easier to modify.
According to the RAF few IIB were fitted with wing racks, while most IIC were. CCF built mark IIB but many delivered in Britain as IIC.
And so on......
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