The ornamental design for a storagecabinet for aircraft, as shown and described.
FIG. 1 is a front perspective view of a storage cabinet for aircraft;
FIG. 2 is a front view of the storage cabinet;
FIG. 3 is a top view of the storage cabinet;
FIG. 4 is a bottom view of the storage cabinet; and,
FIG. 5 is a first side view of the storage cabinet.
The dash-dot-dash broken line illustrates a boundary of the claimed design that forms no part thereof. The consistent length dash broken lines represent environment and structures that form no part of the claimed design.