FAA O&P- I.K.

What are the basic components of a radio communication system

A microphone, transmitter, transmitting and receiving antenna, receiver, and speaker/headphones

What frequency range is used by most modern voice communications systems

The VHF band, 118.0 to 136.975 MHz

What does the term “ ADF” stand for

Airborne direction finding (finder)

What is the function of VOR Equipment

Navigation

Name the components of a typical airborne VOR nav system

a receiver, antennas, frequency selector and a visual display indicator

What does DME stand for

Distance measuring Equipment

At what interval must an ATC transponder system be certified

Every 24 calendar months

Why are two antennas usually required for an ILS system

The localizer and glideslope signals are transmitted on different frequencies

What information does the glideslope beam provide

Vertical guidance to enable the aircraft to maintain the correct decent angle

What is the power source for an ELT

An internal battery

Describe one method of monitoring the signal output during an ELT test

Tune a communications receiver to 121.5 MHz

How would you determine if the batteries in an ELT are due for recharge or replacement

By looking for an expiration date for recharge or replacement on the battery and/or in the aircraft maintenance records

At what time is a test on an ELT permitted

during the first 5 minutes after the hour and no more than 3 sweeps

Where on the aircraft would you expect to find a DME antenna

Generally on the bottom of the fuselage in a location that isn't blocked by the wing during turns

Describe the shape and location of a transponder antenna

Either a short blade or a short wire with a ball end located on the bottom of the fuselage

Name the basic components of an autopilot system

Gyros, servos, a controller, and an amplifier or computer