1|Page
NCATT AET Aviation Electronics Technician
Certification Exam, National Center for Aerospace &
Transportation Technologies||Verified Exam!!!||,
2026/2027-Question Practice Assessment with Verified
Answers||Newest Exam!!!
What frequency bands were originally used for
radiotelegraphy - Answer-VLF and LF
What component generates the roll call for the
communication system - Answer-SLU
The exhale word between the SLU component(s) -
Answer-GPDC only
what is bit 36 of the 36-bit format used for by the ICCG -
Answer-120 kHz
What is the most important means of communicating in
the Navy today? - Answer-Radio
What frequencies are included in the super high-frequency
band? - Answer-3 GHz to 30 GHz
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How many LS-602/AI panels are there in a typical aircraft?
- Answer-Three
What type of encoding/decoding is used in the ICCG
system? - Answer-Manchester word encoding/decoding
frequency bands that have the most prominent feature of
ionospheric reflection - Answer-VHF and UHF
Electrical energy used by electronic communication travels
at what rate - Answer-The speed of light
What is the frequency range of the AN/ARC-197 VHF
transceiver - Answer-116.000 to 151.975 Mhz
What is the actual frequency range of the
AN/ARC-197 radio set? - Answer-116.000 to 155.975 MHz
How many preset channels are available with the
AN/ARC-187 radio set? - Answer-20
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What fault is indicated when the fault indicator on the C-
11950/ARC-187 control box flashes at a slow rate? -
Answer-An interface fault
The HF-2 long-wire antenna has degraded operation at
which frequencies? - Answer-7.9000 to 9.1000 MHz and
18.9000 to 20.1000 MHz
What is the purpose of the lightning arrester used in the
HF system? - Answer-To protect the radio if lightning
strikes the long-wire antenna.
What radio sets can be used with the data link system? -
Answer-HF-1, HF-2, and UHF-2
Who has primary responsibility for the hardware setup of
the data link system? - Answer-The NAV/COMM
Which unit in the TTY system provides the interface with
the radios? - Answer-The TTY signal data converter.
Which unit connects the TTY system with the central
computer? - Answer-Communications Interface No. 1.
NCATT AET Aviation Electronics Technician
Certification Exam, National Center for Aerospace &
Transportation Technologies||Verified Exam!!!||,
2026/2027-Question Practice Assessment with Verified
Answers||Newest Exam!!!
What frequency bands were originally used for
radiotelegraphy - Answer-VLF and LF
What component generates the roll call for the
communication system - Answer-SLU
The exhale word between the SLU component(s) -
Answer-GPDC only
what is bit 36 of the 36-bit format used for by the ICCG -
Answer-120 kHz
What is the most important means of communicating in
the Navy today? - Answer-Radio
What frequencies are included in the super high-frequency
band? - Answer-3 GHz to 30 GHz
,2|Page
How many LS-602/AI panels are there in a typical aircraft?
- Answer-Three
What type of encoding/decoding is used in the ICCG
system? - Answer-Manchester word encoding/decoding
frequency bands that have the most prominent feature of
ionospheric reflection - Answer-VHF and UHF
Electrical energy used by electronic communication travels
at what rate - Answer-The speed of light
What is the frequency range of the AN/ARC-197 VHF
transceiver - Answer-116.000 to 151.975 Mhz
What is the actual frequency range of the
AN/ARC-197 radio set? - Answer-116.000 to 155.975 MHz
How many preset channels are available with the
AN/ARC-187 radio set? - Answer-20
, 3|Page
What fault is indicated when the fault indicator on the C-
11950/ARC-187 control box flashes at a slow rate? -
Answer-An interface fault
The HF-2 long-wire antenna has degraded operation at
which frequencies? - Answer-7.9000 to 9.1000 MHz and
18.9000 to 20.1000 MHz
What is the purpose of the lightning arrester used in the
HF system? - Answer-To protect the radio if lightning
strikes the long-wire antenna.
What radio sets can be used with the data link system? -
Answer-HF-1, HF-2, and UHF-2
Who has primary responsibility for the hardware setup of
the data link system? - Answer-The NAV/COMM
Which unit in the TTY system provides the interface with
the radios? - Answer-The TTY signal data converter.
Which unit connects the TTY system with the central
computer? - Answer-Communications Interface No. 1.
