A2 exam questions

1. Question 1

   Which C class is used for A2?

   • AC1
   • BC2
   • CC3
   • DC4
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   Correct answer: B. C2

   Subcategory A2 is specifically for drones with a C2 class marking, which weigh between 900 g and 4 kg.

2. Question 2

   What is the minimum safe distance from uninvolved people when flying at a height of 40 m in subcategory A2 without the low-speed mode activated?

   • A40 m
   • B5 m
   • C15 m
   • D30 m
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   Correct answer: D. 30 m

   In open subcategory A2, the main rule is that the horizontal safety distance to uninvolved people must be at least 30 metres.

3. Question 3

   What is the maximum speed in low-speed mode?

   • A1 m/s
   • B3 m/s
   • C5 m/s
   • D10 m/s
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   Correct answer: B. 3 m/s

   Low-speed mode, which allows flying closer to uninvolved people in subcategory A2, is defined as a maximum speed of 3 m/s.

4. Question 4

   Which rule can be used to reduce the GRC?

   • AThe 2:1 rule
   • BThe 1:2 rule
   • CThe 1:1 rule
   • DThe 3:1 rule
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   Correct answer: C. The 1:1 rule

   The 1:1 rule, which says the horizontal safety buffer around the operating area must be at least as large as the flight height, helps reduce the ground risk class (GRC).

5. Question 5

   What kind of licensing does UA operation in the SPECIFIC category require?

   • ANo licence
   • BAn A2 certificate
   • CAn individual operational authorisation
   • DA general licence for all drones
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   Correct answer: C. An individual operational authorisation

   Flying in the SPECIFIC category requires an operational authorisation from Luftfartstilsynet, based on a risk assessment of the planned operation.

6. Question 6

   How does the wind change with height?

   • AIt weakens
   • BIt stays the same
   • CIt increases
   • DIt fluctuates randomly
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   Correct answer: C. It increases

   Wind speed generally increases with height because friction from the ground (terrain, buildings, trees) decreases.

7. Question 7

   What threatens a drone on the lee side of buildings?

   • ASignal loss
   • BImproved visibility
   • CTurbulence
   • DIncreased flight speed
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   Correct answer: C. Turbulence

   When wind blows around a building, it creates disturbed, swirling air, known as turbulence, on the lee side. This turbulence can be dangerous and hard for a drone to handle.

8. Question 8

   What do you expect when flying in temperatures from 0 to -12 °C?

   • AI expect no problems.
   • BThe air is thin, reducing flight performance.
   • CA risk of icing on the aircraft.
   • DA risk of solar storms.
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   Correct answer: C. A risk of icing on the aircraft.

   In this temperature range, especially with moisture in the air (cloud, fog), there is a significant risk of ice forming on the propellers and airframe. Ice can dramatically change the aerodynamics and weight and lead to loss of control.

9. Question 9

   Severe turbulence, hail and rain are hazards associated with which weather phenomenon?

   • ASupercooled fog
   • BA snowstorm
   • CA thunderstorm
   • DThe sea breeze
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   Correct answer: C. A thunderstorm

   Thunderstorms, especially in cumulonimbus clouds, are characterised by strong vertical air currents (turbulence), the formation of ice particles (hail) and intense precipitation (rain).

10. Question 10

    What is the effect of temperature on air density?

    • AThe lower the temperature, the denser the air
    • BThe higher the temperature, the thinner the air
    • CTemperature has no effect on air density
    • DAir density depends only on altitude
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    Correct answer: A. The lower the temperature, the denser the air

    Cold air is denser than warm air. At lower temperatures the air molecules move more slowly and come closer together, which increases density.

11. Question 11

    What happens to flight time when you fly in winter?

    • AIt increases
    • BIt stays the same
    • CIt gets shorter
    • DIt depends on the battery model
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    Correct answer: C. It gets shorter

    Low temperatures reduce the chemical reactivity of LiPo batteries, which lowers the available capacity and voltage under load. The result is noticeably shorter flight time.

12. Question 12

    How many satellites are ideal for an accurate GPS fix for a UA?

    • A3–4 satellites
    • BAt least 6 satellites
    • C10–12 satellites
    • DMore than 20 satellites
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    Correct answer: B. At least 6 satellites

    For a stable and accurate GPS position, the drone should be in contact with at least 6 satellites, but more is always better.

These are practice questions written to the syllabus, not copies of the official exam. Read the guide to the A2 exam for the format, requirements and fee, or start with the A1/A3 questions.