USI SAFETY CERTIFICATION LEVEL 1
PRACTICE EXAM ACTUAL TEST PAPER
2026 QUESTIONS WITH ANSWERS GRADED
A+
⩥ 1. Which of the following control station types is also referred to as a
Pilot Control Box (PCB)? Answer: Handheld Control Station
⩥ 2. What part of a ground control station is also a hardware component
of the data link? Answer: Ground Data Terminal
⩥ 3. Which of the following is NOT a role that a control station can
serve? Answer: Relay for extended visual line of sight data links
⩥ 76. Weather conditions and obstacles are environmental challenges
that fall into which environmental domains? Answer: Operational
⩥ 5. Position Dilution of Precision (PDOP) is a measurement of
precision associated with which of the following? Answer: GPS
⩥ 6. A display that shows an aircrafts altitude, and airspeed is commonly
referred to as which of the following Answer: Primary flight display
,⩥ 78. Which of the following operations concepts uses multiple data
links to extend the range of an air vehicle? Answer: Beyond line of sight.
⩥ 79. What does the "dangerous" paradigm refer to in the context of
remotely piloted aircraft systems? Answer: Eliminating the need for
human pilots in dangerous situations.
⩥ 8. Which essential function of a control station describes the
processing and sharing of mission data and imagery? Answer: Data
Exploitation
⩥ 9. Which of the following describes a human-machine interaction
where the human operator receives and monitors data from the air
vehicle but has little to no control intervention? Answer: On the Loop
⩥ 10. A control interface and data storage devices are typical of what?
Answer: Hardware found in ground control stations
⩥ 11. The uplink, which describes the portion of the data link that
transmits commands and flight plan changes from the ground control
station to the air vehicle, is also known as which of the following?
Answer: Command Link
, ⩥ 12. Terrain masking, equipment failures, and electromagnetic
interference can cause which of the following conditions? Answer: Loss
of link
⩥ 13. If power and wavelength are equal, which antennas would have
the shortest range? Answer: Omni-directional
⩥ 14. Which of the following is NOT a function of a remotely piloted
aircraft system's data link? Answer: Providing return to home commands
in the event of an interruption
⩥ 15) Which of the following are typical hardware components of a data
link? (Select all that apply) Answer: Antenna , Modem , Receiver ,
Transmitter
⩥ 16) True or False. Frequency Modulation involves encoding
information into a carrier wave by varying the amplitude, amount of
energy carried by the wave. Answer: False
⩥ 17) Obstacles within the transmission path of a radio wave cause
which of the following? Answer: Radio Frequency Interference
⩥ 18) Which of the following is a measurement of the strength of a
signal relative to ambient noise? Answer: SNR
PRACTICE EXAM ACTUAL TEST PAPER
2026 QUESTIONS WITH ANSWERS GRADED
A+
⩥ 1. Which of the following control station types is also referred to as a
Pilot Control Box (PCB)? Answer: Handheld Control Station
⩥ 2. What part of a ground control station is also a hardware component
of the data link? Answer: Ground Data Terminal
⩥ 3. Which of the following is NOT a role that a control station can
serve? Answer: Relay for extended visual line of sight data links
⩥ 76. Weather conditions and obstacles are environmental challenges
that fall into which environmental domains? Answer: Operational
⩥ 5. Position Dilution of Precision (PDOP) is a measurement of
precision associated with which of the following? Answer: GPS
⩥ 6. A display that shows an aircrafts altitude, and airspeed is commonly
referred to as which of the following Answer: Primary flight display
,⩥ 78. Which of the following operations concepts uses multiple data
links to extend the range of an air vehicle? Answer: Beyond line of sight.
⩥ 79. What does the "dangerous" paradigm refer to in the context of
remotely piloted aircraft systems? Answer: Eliminating the need for
human pilots in dangerous situations.
⩥ 8. Which essential function of a control station describes the
processing and sharing of mission data and imagery? Answer: Data
Exploitation
⩥ 9. Which of the following describes a human-machine interaction
where the human operator receives and monitors data from the air
vehicle but has little to no control intervention? Answer: On the Loop
⩥ 10. A control interface and data storage devices are typical of what?
Answer: Hardware found in ground control stations
⩥ 11. The uplink, which describes the portion of the data link that
transmits commands and flight plan changes from the ground control
station to the air vehicle, is also known as which of the following?
Answer: Command Link
, ⩥ 12. Terrain masking, equipment failures, and electromagnetic
interference can cause which of the following conditions? Answer: Loss
of link
⩥ 13. If power and wavelength are equal, which antennas would have
the shortest range? Answer: Omni-directional
⩥ 14. Which of the following is NOT a function of a remotely piloted
aircraft system's data link? Answer: Providing return to home commands
in the event of an interruption
⩥ 15) Which of the following are typical hardware components of a data
link? (Select all that apply) Answer: Antenna , Modem , Receiver ,
Transmitter
⩥ 16) True or False. Frequency Modulation involves encoding
information into a carrier wave by varying the amplitude, amount of
energy carried by the wave. Answer: False
⩥ 17) Obstacles within the transmission path of a radio wave cause
which of the following? Answer: Radio Frequency Interference
⩥ 18) Which of the following is a measurement of the strength of a
signal relative to ambient noise? Answer: SNR
