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Design verification report

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EASA guidelines for design approvals

After conducting the SORA, the operator determines the SAIL (the level of intrinsic risk of the operation) and identifies the level of robustness of the operational safety objectives (OSOs) to be demonstrated, as following, for the design related OSOs:

  • For SAIL I and II operations (classified as Lower risk): an operator may use a drone with a class identification label or with a declaration of compliance of the drone with the technical OSOs. However, for compliance of technical mitigations (M2) and enhanced containment the NAA may ask to use a drone assessed by EASA through a design verification report too in these cases;
  • For SAIL V and VI operations (classified as High risk):  the use of a drone with a type certificate according to (Regulation (EU) 748/2012) 2 (known as  Part 21) is required;
  • For SAIL III and IV operations (classified as Medium risk): a more appropriate, simplified and flexible option exists: the Design Verification Report.

The Design Verification Report (DVR)

This is a report that is issued by EASA that documents that the UAS design complies with the applicable OSOs, which includes any possible limitations or assumptions the actual drone model needs to operate (see more details below in the design verification basis). For a complete description of the design verification proves please consult the “Guidelines on Design verification of UAS operated in the “specific” category and classified in SAIL III and IV”

The list of issued design verification report, can be found below.

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How to apply for a DVR, duration and cost

Drone manufacturers should apply for a DVR using Application form for Unmanned Aircraft System Design Verification (FO.CSERV.00198).

EASA will conduct first a pre-application meeting where expects from the manufacturer a description of the program including plans. In this occasion EASA experts may provide some useful indications to the manufacturer that may then decide if they believe to be ready for the application or if they prefer to hold it.

After successful completion of the pre-application meeting, the EASA experts will agree with the manufacturer the applicable requirements derived by the SC light UAS. A matrix linking the design related OSOs and the SC light UAS can be found here:

The manufacturer will gather the documentation to show compliance with the applicable requirements and will submit it to EASA. After positive evaluation of the documentation EASA will issue the DVR. The duration of the process is heavily dependent on the complexity of the system to be assessed and on the responsiveness of the manufacturer to demonstrate compliance properly.

The cost for a DVR will be based on the actual time spent by EASA staff on assessing the documentation. EASA will charge using the applicable hourly rate equal to 250 Euro.

Operators applying for an operational authorization, using a drone having a DVR issued by EASA, appropriate for such operation, they need to show compliance to the NAA only for the OSOs related to operations and training.

What a DVR is not

An operator having a LUC can’t have the privilege to assess compliance of a drone with the design requirements. So based on the SAIL of the operation they conduct, they may need to use a drone assessed by EASA through a DVR

A Design Verification Report is a not a type certificate, and it is recognised only throughout EASA Member States.

Who can apply for a DVR

Any natural or legal person can apply. The applicant needs to be capable of demonstrating design compliance of a Drone, by mitigation means, containment or both (as applicable) as shown above.

The need for a DVR will be specified by the NAA in the operational authorisation. However, manufacturers may also decide, due to business considerations, to apply to EASA for a design verification independently of a request from the NAA. In such a case, the Guidelines on Design verification of UAS operated in the ‘specific’ category and classified in SAIL III and IV are also relevant.

Content of the EASA Design Verification Report - DVR

It will include:

  • Reference to applicable documents from the manufacturer
  • Suitable SAIL, Ground and Air Risk class, operational environment, etc. for the drone design.
  • Conditions / limitations under which the design is expected to perform adequately including as applicable e.g.
    • minimum ground/air buffers
    • Limits for density of population
    • RF environment
    • Specific elements regarding Continuing Airworthiness – CAW
    • Etc.

Check the DVR guidelines for more details:

Guidelines on Design verification of UAS operated in the ‘specific’ category and classified in SAIL III and IV are also relevant.

DVRs issued so far by EASA (under development)

Model Maximum SAIL Mitigation to reduce effect of ground impact (No, medium, High) Enhanced Containment (yes or no) Name Address Number Revision Date of Issuance Limitations/Conditions
K250 N/A High NO Dronus SpA Loc. Basovizza, SS14 KM 163,5 34149 Trieste (TS) 60079419 N/A 18.03.2022 Refer to DVR for further details
SenseFly eBeeX N/A MEDIUM/HIGH NO SenseFly SA Route de Genève 38, 1033 Cheseaux-sur-Lausanne, Switzerland 60078867 N/A 24.05.2022 Refer to DVR for further details
Nimbus PPL-612 PLUS EVO XL N/A NO YES Techno Sky Srl. Via del Casale Cavallari, 200 – 00156 ROMA 60081974 N/A 30.09.2022 Refer to DVR for further details
VC200-2 N/A NO YES Volocopter GmbH Zeiloch 20 | D-76646 Bruchsal | GERMANY 60078814 N/A 16.06.2021 Refer to DVR for further details

For additional information please contact the team.

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