Seeking information on the death of Frank Lewis Jones; can you help

Known info:

Details from the 1939 Register @ Dillows, Cuckfield, Sussex. Frank L Jones, born 28 Jan 1892 occ Marine Insurance Manager other details Flt Lte & Adj No 78 Wembley Borough Squadron Air Defence Corps.

CWGC: FLIGHT LIEUTENANT, FRANK LEWIS JONES. Service Number: 61672, Royal Air Force Volunteer Reserve
78 Sqdn. Died 31 March 1942. Buried or commemorated at ALPERTON CEMETERY UK. Plot D. Grave 117.

Probate: Frank Lewis of 46 Oldborough Road, North Webmley, died 31 March 1942 at Leavesden Emergency Hospital Watford Hertfordshire.

Thanks in advance