Fairing A cover made to streamline a surface.
Flange An angled or raised portion of a part; usually for fastening or fitting to another part.
Flexible Easily bent or shaped.
Flow Rate Amount of liquid, gas, or air passing a specific point in a measured amount of time.
Forward Toward the front of the helicopter.
Fragment Small particle or piece.
Friction When two objects or surfaces rub together.
Fuselage Station Distance from a point in front of the helicopter.
Galling Transfer of metal from one surface to another surface by welding and breakaway of particles during sliding
Glazing (Glazed) Appearance of being covered by a glassy film.
Hoist To raise by mechanical means. The machine to do so.
Horizontal Parallel to the horizon or a baseline (across).
Housing An enclosure in which mechanisms function.
Impact Two or more objects coming together with force.
Inboard Toward the center of the helicopter.
Initial The first.
Inlet An opening for intake of air, gas, or fluid.
Interchangeable Can be used in place of a similar item to do the same job.
Isolate To separate one item from others.