https://www.gov.uk/aaib-reports/westland-bell-47g-3b1-soloy-g-smri-24-july-1985
Westland Bell 47G.3B1 Soloy, G-SMRI, 24 July 1985 - GOV.UK
bell 47g
https://www.gov.uk/aaib-reports/bell-47g-5-g-bayx-7-june-1986
Bell 47G-5, G-BAYX, 7 June 1986 - GOV.UK
bell 47gjune 19865uk