FIELD: aviation.
SUBSTANCE: invention relates to aircraft engineering, particularly to aircraft engine protection against ingress of foreign objects. Onboard protective device is disposed on lower part of air inlet and a movable lower panel. In rear part of lower panel are located two small panels that can perform alternately oscillating movement downwards in transverse plane of lower panel.
EFFECT: higher efficiency of onboard engine protection device against ingress of foreign objects.
1 cl, 4 dwg
