Quiz UAS Open Category Operations Intermediate

EASA UAS Open Category Operations Quiz

10 questions
~15 minutes
Intermediate level
Generated Mar 07, 2026
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Question 1
1 / 10

Which subcategory of the Open Category allows UAS operations over uninvolved people?

Explanation: The A1 subcategory permits operations over uninvolved people under specific conditions, such as using UAS marked with C0 or C1 class labels. This is defined in UAS.OPEN.020.

Reference: EASA Regulation 2019/947 Part A, UAS.OPEN.020

Question 2
2 / 10

What is the maximum take-off weight for a UAS in the A1 subcategory?

Explanation: UAS with a maximum take-off weight of 250g or less are allowed in the A1 subcategory, as long as they meet the requirements for C0 or C1 class labels.

Reference: EASA Regulation 2019/945 Annex Part 1

Question 3
3 / 10

In the A2 subcategory, what is the minimum safe horizontal distance that must be maintained from uninvolved people?

Explanation: The A2 subcategory requires maintaining a minimum horizontal distance of 30 meters from uninvolved people unless the UAS is equipped with a low-speed mode, which reduces this distance to 5 meters.

Reference: EASA Regulation 2019/947 Part A, UAS.OPEN.030

Question 4
4 / 10

Which UAS class label is required for operations in the A3 subcategory?

Explanation: UAS marked with C2, C3, or C4 class labels can operate in the A3 subcategory, which requires flying far from uninvolved people.

Reference: EASA Regulation 2019/947 Part A, UAS.OPEN.040

Question 5
5 / 10

What is required for a privately built UAS weighing over 250g to operate in the Open Category?

Explanation: Privately built UAS weighing over 250g require Article 16 authorisation to operate in the Open Category, ensuring compliance with specific safety and operational standards.

Reference: EASA Regulation Article 16

Question 6
6 / 10

What is the deadline for retrofitting EU class-marked UAS with UK class labels to continue Open Category operations?

Explanation: EU class-marked UAS must be retrofitted with UK class labels by 1 January 2028 to continue operating in the Open Category beyond this date.

Reference: EASA Regulation CAP 3170

Question 7
7 / 10

What is the purpose of UAS geographical zones designated by Member States?

Explanation: UAS geographical zones can exempt operations from one or more Open Category requirements while ensuring compliance with the remaining rules.

Reference: EASA Regulation Article 15(2)

Question 8
8 / 10

What is the maximum height above ground level for Open Category operations?

Explanation: Open Category operations are limited to a maximum height of 120 meters above ground level to ensure safe separation from manned aviation.

Reference: General knowledge based on EASA standards

Question 9
9 / 10

What must remote pilots do before operating in the Open Category?

Explanation: Remote pilots must complete online training and pass a competency test to demonstrate their knowledge of Open Category operational rules.

Reference: EASA Regulation 2019/947 Part A

Question 10
10 / 10

Which requirement applies to legacy UAS after 1 January 2028?

Explanation: Legacy UAS can continue operating in the Open Category after 1 January 2028 if they comply with the specific requirements outlined for legacy UAS.

Reference: EASA Regulation CAP 3170

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