Term
| Why are two antennas usually required for an ILS system? |
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Definition
| One is for the localizer receiver and the other one for the glide slope |
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Term
| How often does the ATC transponder require certification? |
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Definition
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Term
| What are the basic components of a communication system? |
|
Definition
Microphone and headset
Transmitter and receiver
transmitting and receiving antenna
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Term
| What are the sensing elements of an autopilot system? |
|
Definition
Altitude control, attitude gyro
Turn-and-bank and direction |
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Term
| What are three basic autopilot components? |
|
Definition
Gyros, servos and an amplifier |
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Term
| What are the actuating elements of an autopilot system? |
|
Definition
| Servos that operate the control surfaces |
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Term
| What is the most common communication system in use? |
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Definition
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Term
| What are the components of a typical airborne VOR system? |
|
Definition
A receiver, frequency selector,
visual indicator, antenna and
a power supply |
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Term
| How should coaxial cables be routed from an antenna to a receiver? |
|
Definition
| Secured every 2 feet, not routed with other wire bundles, and bends at least ten times the cable diameter |
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Term
| What is the purpose of a radio shock mount bonding jumper? |
|
Definition
| To provide a low-impedance ground return |
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Term
| How may the determination be made to replace the batteries in an ELT even though the set operates? |
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Definition
| The replacement date is marked on the outside of the transmitter |
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Term
| What method is used to monitor the output signal during an ELT test? |
|
Definition
| VHF communications receiver tuned to 121.5MHz |
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Term
| What type antennas do most transponders have? |
|
Definition
| Short stub usually mounted on the lower surface of the fuselage |
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Term
| Where should DME antennas be located? |
|
Definition
| On the lower surface of the aircraft in a position that will not be blanked out by the wings in a bank |
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Term
|
Definition
| Distance Measuring Equipment |
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Term
| What information does a glide slope radio beam provide? |
|
Definition
| Vertical guidance for correct angle of descent |
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Term
| When may an ELT legally be checked for operation? |
|
Definition
| During the first 5 minutes of the hour |
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|
Term
| What is VOR equipment used for? |
|
Definition
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Term
|
Definition
| Automatic Direction Finder |
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Term
| What powers an emergency locator transmitter? |
|
Definition
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