Drones for surveying and mapping in France: surveys, ZICAD, data

Who it is for

• Survey firms, engineering consultancies and mapping companies adding drones (photogrammetry, lidar) to work in France
• Professional drone operators, including foreign operators, selling orthophotos, terrain models, point clouds or volumes in France
• Developers, quarry operators, local authorities and BIM managers commissioning or receiving aerial surveys of French sites

What this guide does not do: Readers looking for a photogrammetry course or software settings: this guide covers the legal and contractual framework, not processing · Anyone hoping to establish a legal property boundary by drone: in France that is reserved to the géomètre-expert, and the guide explains why · Anyone expecting a ready-made permit: C-DRONE issues neither authorisations nor training

Contents of the complete guide

1. Before you quote a survey: five questions that decide everything (free extract below)
2. ZICAD: check, work around, or apply for a derogation
3. Large sites: A3, STS-01, STS-02 or authorisation
4. Accuracy, tolerances and liability for deliverables
5. Data: ownership, publication and GDPR
6. Quarries, construction sites and BIM: special situations
7. Four worked cases
8. Printable checklists
9. Templates to copy

Included: 25 checklist items and 3 decision or reference tables.

Introduction

In France, a drone survey is an ordinary flight from an aviation standpoint, but it is also a capture of geographic data, often accurate to the centimetre, often shared, sometimes used in a land-registry procedure or a BIM model. That dual nature is what makes the trade specific: a surveyor can be fully compliant as a pilot and still commit an offence as a data collector (ZICAD zones), or deliver a flawless point cloud whose use goes beyond what the contract and French law let them stand behind.

This edition is for professionals who fly or commission surveys in France: topographic survey, photogrammetry, lidar, orthophotography, stockpile volumes, construction monitoring and digital twins. It is written for readers who may know EASA rules well but not the French layer on top. The common regulatory foundation (categories, AlphaTango registration, pilot competence, built-up areas, penalties) is covered in The complete guide to French drone regulations 2026; here we only cover what changes for surveying, down to the practical steps: decision tables, procedures, printable checklists and templates.

This guide is up to date as of 30 September 2026. French legal texts can be checked on Légifrance and airspace restrictions on Géoportail, the official French map portal.

Before you quote a survey: five questions that decide everything

Most problems with a drone survey in France are settled before the quote, not on flight day. Five questions, asked in this order, frame around 90% of missions. Each can add weeks to the schedule, which is why they belong in the first conversation with the client.

Question 1: am I allowed to record data here?

This is the survey-specific question, and the one most often missed. Since 1 January 2023, article L. 6224-1 of the French transport code prohibits, inside zones where aerial data capture is prohibited (ZICAD), capturing, recording, transmitting, storing, using or disseminating data collected from an aircraft by any sensor: photo, video, lidar, thermal, multispectral. The right to fly and the right to capture are separate. Check: the ZICAD layer on Géoportail, in addition to the drone restriction map.

Question 2: where will I fly, and over what?

Built-up area or not, uninvolved people or not, distance to housing, aerodromes, restricted zones. This decides the category (open A1/A2/A3, STS-01, STS-02, operational authorisation) and, over populated areas, the prior notification to the préfecture (the local state representative) on form cerfa 15476*04, at least 10 working days before the flight.

Question 3: does the site fit within visual line of sight?

Beyond a few dozen hectares or along a corridor, BVLOS becomes tempting. STS-02 exists but is tightly bounded; beyond it, you need a DGAC authorisation, which takes weeks or months.

Question 4: what will the deliverable be used for?

Feasibility study, contractual volume, construction drawing, planning application, preparation of a boundary survey: required accuracy, coordinate system and liability differ. A drone survey never fixes a property boundary in France: that act is reserved to the géomètre-expert (chartered land surveyor).

Question 5: who will see the data, and what does it show?

A 2 cm orthophoto shows gardens, vehicles, sometimes people. The GDPR applies from the moment of capture; publication adds copyright, confidentiality and, inside a ZICAD, criminal-law issues.

Summary table

Frequently asked questions

How do I receive the guide?

Right after payment you are redirected to the complete guide's page. Bookmark it, or print it to PDF (Ctrl+P or Cmd+P, “Save as PDF”). Stripe also emails you the receipt.

Do I get an invoice?

Yes: Stripe generates the invoice and emails it. You can enter your company name and VAT number at checkout.

Is the guide kept up to date?

Yes. The guide's page is updated when the rules change; your access stays valid and you always read the latest version.

Does this guide replace the official texts or a training course?

No. C-DRONE is neither the French civil aviation authority (DGAC) nor a training organisation: the guide explains and organises the paperwork, with links to the official sources, which alone are authoritative.

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