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Stencilled lettering on an aircraft surface marking unsupported skin.
Also known as: No step stencil, Wing walkway marking
NO STEP stencilled on a wing or fuselage marks a panel that is not structurally supported from beneath. Standing on it dents the skin, which changes the airflow and can require a structural repair. It is addressed to ground and maintenance crew rather than to passengers, and it sits alongside a small vocabulary of other stencilled instructions — walkway markings showing where it is safe to tread, and rescue markings showing where a fuselage may be cut open.
Marks a panel that is not supported from beneath, where a footstep dents the skin, changes the airflow over it and may require a structural repair.
Contexts: Technical drawing, Navigation
Is addressed to ground and maintenance crew rather than to passengers, and belongs to a small vocabulary of stencilled instructions that also includes walkway markings and rescue cut-in markings.
Contexts: Technical drawing, Navigation
Stencilled capital letters applied directly to a painted metal surface, usually within a thin rectangular border or beside a dashed boundary line.
Both belong to the stencilled aircraft exterior vocabulary.