CIVIL AIRCRAFT ANTI-HIJACK DEVICE

摘要

FIELD: transport, aviation. ^ SUBSTANCE: civil aircraft anti-hijack device is arranged on passenger seat comprising seat pad and seat back mounted in passenger compartment furnished with video observation camera. The seat back rear of every seat is furnished with a cylindrical blind hole arranged at the level of, approximately, passenger chest and accommodating a compressed coiled helical spring provided with flexible non-conducting plate attached to the spring upper end face. Note that there are bent strips arranged in cantilever behind the previously mentioned plate to rule out the spring coming out from the aforesaid hole. Note that the said springs are made from alloy that features the shape thermo mechanical memory and several operation thresholds with increasing temperatures and strip bend fixed angles corresponding to aforesaid thresholds. The strip ends are connected to the crew cab control board panel terminals corresponding to those of the seat with the above-described device. ^ EFFECT: higher flight safety. ^ 3 dwg