ILLUMINATE
COVERING, enable or provide illumination.
INNER MARKER
INTERNAL markers, marker beacon located between the middle marker and the end of a runway equipped for instrument approach (ILS).
INOPERATIVE
Do not act, it can not be controlled or not working.
INSTRUMENT LANDING SYSTEM
Instrument landing system, precision instrument landing system, which usually consists of the following aircraft: Receiver localizer, glide path beacon receiver and marker beacon receiver.
INOP, cm.-INOPERATIVE
INTEGRAL TANK
Caisson-BAC, a metal container formed of the wing structure (longerons, bulkheads, paneling) for storing fuel on the plane.
INTEGRATED CIRCUIT
An integrated circuit, a small element of a semiconductor material which contains miniaturized electronic circuitry.
INTERLOCK
UNION, wiring, connected in series with the equipment or device, or a condition that prevents operation if all requirements are met.
INTERROGATOR
Integrators working amplifier whose output voltage is determined by the input voltage, input impedance, capacitance and the reciprocal of the time interval.
INVERTER
Inverter, electric appliance to change DC to AC for the spare (emergency) power supply of the electrical system.
ISOBARIC CONDITION
Isobaric conditions, the pressure in the cabin (height) remains constant with changes in aircraft altitude.
ISOLATION VALVE
The sealing valve, the valve in the system for dividing it into sections.