Provision must be made on all aeroplanes for the rapid egress of passengers and crew in emergency. Fulfilment of the requirements detailed below will normally be regarded as sufficient, but departures may be permitted or required in particular cases.
(1931), "Air Ministry Official Notices: Instructions to Aircraft Owners and Ground Engineers Regarding Essential Modifications", Aircraft Engineering and Aerospace Technology, Vol. 3 No. 12, pp. 319-326. https://doi.org/10.1108/eb029487
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