No. 24 of the year 1931. A case has occurred in which a fatal accident was attributed to a Sutton harness becoming unfastened during flight as the result of bending of the two‐pronged safety pin, and its subsequent failure to hold the release pin in place.
(1931), "Air Ministry Official Notices: Instructions to Aircraft Owners and Ground Engineers Including Important Cancellations", Aircraft Engineering and Aerospace Technology, Vol. 3 No. 7, pp. 175-175. https://doi.org/10.1108/eb029426
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