Definition
A pilot who has earned an FAA instrument rating, allowing them to legally fly under Instrument Flight Rules (IFR) and operate in instrument meteorological conditions (IMC) by reference to cockpit instruments alone, without outside visual reference to the ground or horizon.
Plain English
A pilot who is qualified and certified to fly using only the cockpit instruments, including in clouds or low-visibility weather where they cannot see outside.
Context Anchor
Seen in instrument flying discussions, weather decision-making, and cockpit procedures where the pilot must control the airplane mainly by looking at the flight instruments.
Derivation
Instrument comes from a Latin word meaning a tool or piece of equipment. Rated means officially classified or qualified. Together, instrument rated means the pilot is officially qualified to use the flight instruments as the main source of control information.
Why Pilots Care
It expands the pilot's ability to fly safely in low-visibility or cloud conditions that would otherwise ground a visual-only pilot, directly improving mission flexibility and safety margins.
Intuition Check
Rated does not mean the pilot is simply considered good at using instruments. Here, rated means the pilot has an official FAA qualification added to the pilot certificate.
Example Sentence 1
Because the forecast called for low ceilings and reduced visibility, only an instrument rated pilot could legally make the trip.
Example Sentence 2
After earning the rating she became an instrument rated pilot and could accept trips that required flying through weather.