"A lasting memorial to HMS Blackcap and those who served there can be found in the graveyard at St Cross Church, Appleton, being the graves of personnel who were killed at Blackcap whilst serving there. It includes two graves of two young Free Dutch Naval Officers serving in the Fleet Air Arm, killed when their planes collided over Budworth Mere whilst practicing for the D Day Landings.
There is a lovely story attached to these two graves, for on every Remembrance Day there appears two crosses of Poppies on their graves with a handwritten note pf condolence in Flemish, although it is known that they have no living relatives, somebody places the crosses there."
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The Dutch war graves commission lists only one grave at St Cross: Petrus Johannes Huijer, and the 15 March 1944 date fits, but the record shows he was killed in Hellcat JV161 at Stretton (also a mid-air, with JV166 of the same unit, 1840 Sqn, flown by Alexander Joseph Smith who is also buried at Appleton Thorn, but born in Java and so presumably not a Dutch national).
So unless there were two mid-airs involving Dutch pilots in the same month, the reference to Barracudas sounds suspect.
OGS slachtofferregister
Dutch FAA aviators killed or missing