instrument /.nstrυm.nt/ noun a
device for recording, measuring or con-trolling, especially functioning as part of a control system . Airspeed is given
123 intake
on an instrument called the airspeed indicator.
instrument approach procedure
/.nstrυm.nt .pr.υt. pr.sid./
noun a set of procedures which a pilot must follow when approaching an air-port under instrument flight rules
