TM 1-1520-238-23
Glossary 12
R
Remote – A considerable distance away but in communication range.
Retaining – Describes a device or part that holds or restrains.
S
Scoring – Lines, grooves, or scratches worn into a surface.
Seat – Special surface or recess in which a part functions or rests. To place a part on that surface or recess.
Secondary – Subordinate. Not first in order of importance or function.
Sequence – The order in which things occur or are done.
Shim – A thin piece of material used to fill in space between parts for support, leveling, or adjustment.
Stable – Steady, dependable, not subject to changing course.
Stability – Steadiness, dependability.
Standby – A device or system ready for operational use but held in reserve.
Station – Positions on the helicopter measured from a point in front of the nose.
Surge – Sudden rise.
Swivel – To rotate in place.
System – A group of parts working together.
T
Torque – Measurement of the tightness of threaded hardware. A torque wrench is used to measure (and control) the
tightness of bolts, screws, nuts,etc.
Troubleshooting – Steps to locate and correct problems in systems.
U
Union – A point of connection where items are joined.
Utility – Serves for general, rather than special, use.
V
Vertical – Straight up and down; 90 degrees to the horizon.
W
Waterline – Distance from a point below the helicopter parallel to the fuselage center line.
