On 15 September 2021 , during one of the experimen tal bottom trawls, ca rried out at a speed of 3.5 knot, SGB noticed a medium-sized dark petrel. It was feeding on discards from the fishing operation in the company of Northern Fulmars, Sooty Shearwaters, Great Shearwaters, Northern Gannets and Lesser Black-backed Gulls Larus fuscus. SGB identified it as White-chinned Petrel Procellaria aequinoctialis and took severa l photographs during the two hours that it spent around the vessel. It was seen by three more members of the scientific team. The initial observation took p lace at 14:48 UTC at position 52°27.45'N and 14°00.38'W, c 240 km off western Ireland, water depth 303 m. The conditions were 3-4 m swell, a 20 knot south w ind and 100% cloudy sky.

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