A cascade assembly of a nacelle for a turbofan engine comprising: a one-piece cascade fixed to a translating sleeve constructed and arranged to move between forward and aft positions along a centerline; a stationary structure; and a hook device including a first catch fixed to the stationary structure and a second catch fixed to the one-piece cascade, and wherein the first catch mates to the second catch for translating load when the cascade assembly is in a deployed state and the translating sleeve is in the aft position, characterised in that: the hook device includes a resiliently compliant member disposed between the first and second catches; or the first catch includes a first portion projecting radially outward from the fixed structure and a second portion projecting axially forward from the first portion, the first and second portions defining at least in-part a channel, and wherein the second catch includes a first segment projecting radially inward from the one-piece cascade and a second segment projecting axially aft of the first segment such that the second segment is disposed in the channel when the cascade assembly is in the deployed state, the hook device includes a resiliently compliant member disposed axially between the first portion and the first segment. a one-piece cascade fixed to a translating sleeve constructed and arranged to move between forward and aft positions along a centerline; a stationary structure; and a hook device including a first catch fixed to the stationary structure and a second catch fixed to the one-piece cascade, and wherein the first catch mates to the second catch for translating load when the cascade assembly is in a deployed state and the translating sleeve is in the aft position, characterised in that: the hook device includes a resiliently compliant member disposed between the first and second catches; or the first catch includes a first portion projecting radially outward from the fixed structure and a second portion projecting axially forward from the first portion, the first and second portions defining at least in-part a channel, and wherein the second catch includes a first segment projecting radially inward from the one-piece cascade and a second segment projecting axially aft of the first segment such that the second segment is disposed in the channel when the cascade assembly is in the deployed state, the hook device includes a resiliently compliant member disposed axially between the first portion and the first segment. the hook device includes a resiliently compliant member disposed between the first and second catches; or the first catch includes a first portion projecting radially outward from the fixed structure and a second portion projecting axially forward from the first portion, the first and second portions defining at least in-part a channel, and wherein the second catch includes a first segment projecting radially inward from the one-piece cascade and a second segment projecting axially aft of the first segment such that the second segment is disposed in the channel when the cascade assembly is in the deployed state, the hook device includes a resiliently compliant member disposed axially between the first portion and the first segment.