Definition
In the context of cockpit automation, over-reliance is the tendency of a pilot to depend so heavily on automated systems (such as autopilot, flight director, GPS, or flight management systems) that monitoring, manual flying skills, and independent decision-making are degraded. It describes a behavioral pattern in which the pilot trusts the automation to handle the flight without adequately cross-checking its inputs, outputs, or continued correct operation.
Plain English
Leaning on the automated systems too much, to the point where the pilot stops actively flying, watching, and thinking for themselves.
Context Anchor
Seen in discussions of automation management, especially when using autopilot, navigation systems, or other cockpit displays.
Derivation
From 'over' (too much) plus 'reliance' (dependence on something for support). The everyday English meaning carries directly into aviation use, but the FAA gives it a specific operational concern: it is not just leaning on automation, it is leaning on it enough to weaken the pilot's own performance.
Why Pilots Care
Creates complacency and leaves the pilot unprepared for automation failures or unexpected events.
Intuition Check
Over-reliance does not mean using automation is bad. It means using automation without enough active checking, understanding, and readiness to step in.
Example Sentence 1
The instructor warned that over-reliance on the autopilot during cruise can leave a pilot unprepared when the system disconnects unexpectedly in turbulence.
Example Sentence 2
Regular hand-flying practice helps prevent over-reliance on automation during normal operations.