C‑DRONE
Aerial view of a construction site with a tower crane

🏗️ CONSTRUCTION SITE MONITORING · ANNEMASSE (74) · €250–800 LE PASSAGE

Drone construction site monitoring in Annemasse

Drone construction monitoring documents progress with a regularity and completeness impossible to achieve from the ground: identical camera angles reproduced at every visit, top-down views of the entire footprint, orthophotos comparable month over month. Project owners, developers and main contractors use it for management (progress records, trade coordination), communication (a spectacular construction timelapse) and pre-litigation purposes (existing conditions, records of neighbouring structures).

The classic formula is a monthly or fortnightly visit for the duration of the project: 20 to 40 photos from the same angles, a flyover video, and optionally a georeferenced orthophoto for overlay on the drawings. At the end of the project, all visits are assembled into a construction timelapse — a communication asset developers value highly for marketing and opening ceremonies.

Free quote — construction site monitoring in Annemasse

Rates

€250–800 le passage — the range observed on the 2026 French market, including regulatory preparation, flight and delivery. The exact quote depends on the site, the deliverable and the airspace context in Annemasse.

Common use cases

The local context in Annemasse

Urban heart of the French Genevois, Annemasse forms with Geneva a cross-border conurbation of more than 600,000 inhabitants, linked by the Léman Express. For drone pilots it is a textbook case: the Geneva-Cointrin CTR spills far over the French side and severely caps flights across the whole sector, Annemasse aerodrome (LFLI) — very active in light aviation — adds its own zone, and the nearby Swiss border means knowing Swiss rules the moment you cross it. The Salève, "Geneva's balcony" reached by cable car, offers spectacular panoramas over Lake Geneva and Mont Blanc.

The local economy is driven by cross-border employment, booming construction (Greater Geneva's property pressure is among the highest in France) and commerce. Common drone missions: monitoring of housing and infrastructure projects (tramway, Léman Express), real estate, imagery of the Salève and the Arve valley — always after a careful study of authorised ceilings.

Applicable regulations

A construction site is a controlled area: people present (workers, supervisors) can be considered involved persons if briefed about the flight, which simplifies operations. In clear areas, open category A2 or A3 is sufficient; in built-up areas, recurring visits are flown under the STS-01 scenario with prefectural declaration — the advantage being that one declaration can cover recurring flights at the same location for several months. Height under 120 m, coordination with tower cranes (protocol with the crane operator, no flying through load paths), AlphaTango registration and checking nearby aviation zones on Géoportail, as sites near airports are common.

Frequently asked questions

How often should the drone fly over a site?

Monthly is most common: it matches progress-payment cycles. Fast phases (earthworks, lifting, structural work) justify fortnightly or even weekly visits for a dense timelapse.

Can the drone fly while the crane is operating?

Yes, with a protocol agreed with the crane operator: flight zones and slots defined in advance, radio contact during the flight, and never crossing the load path.

Can site photos be used in a dispute?

Yes: dated, geolocated images reproduced from the same angles are excellent factual evidence of progress or condition. For maximum evidentiary weight, they can be appended to a bailiff's official report.

Can this service be flown anywhere in Annemasse?

Almost: CTR de Genève-Cointrin débordant côté français (plafonds très bas); Aérodrome d'Annemasse (LFLI); Frontière suisse : réglementation drone différente. Depending on the exact location, the pilot picks the right framework (open or specific category) and files the required declarations — included in the quote.

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