Definition
A specialized wire-end terminal fitting used in aircraft control cable and rigging wire installations, formed by wrapping the wire end and securing it with a swaged or crimped sleeve to create a permanent loop or eye. The Martin clip provides a reliable, high-strength termination on small-diameter steel cables and tie rods used in early aircraft structural and control systems.
Plain English
A small metal fitting that grips the end of a steel wire or cable, forming a secure loop so the wire can be attached to something. It's a way of finishing off a wire end so it can carry load without slipping or unraveling.
Context Anchor
Seen during aircraft maintenance or inspection of flight-control cables, especially where cable tension is adjusted with turnbuckles.
Derivation
Named after its originator or manufacturer (Martin), as is common with proprietary aviation hardware fittings. The 'clip' part refers to the way the fitting clamps or grips the wire end.
Why Pilots Care
Properly installed Martin clips prevent wire movement that could cause chafing, short circuits, or binding of flight controls.
Analogy
It is like a small lock on an adjustable connector: once the connector is set, the clip keeps it from backing off.
Intuition Check
Do not think of a Martin Clip as an office paper clip or a general-purpose clamp. In aircraft use, it is a specific locking clip for a cable turnbuckle.
Example Sentence 1
During the restoration, the mechanic replaced the worn Martin clips on the rudder cables with new fittings of the original specification.
Example Sentence 2
During preflight, the pilot noticed a loose Martin clip and had maintenance secure the wiring before flight.