About us
Professional drone surveys, delivered with precision.
The operator
Arch City Aerial is a St. Louis-based drone survey and photogrammetry company operated by a licensed FAA Part 107 remote pilot. We specialize in turning flight data into actionable deliverables — 3D models, georeferenced maps, and CAD-ready artifacts — that engineers, architects, and project managers use from day one.
We fly with professional-grade equipment, process with industry-standard photogrammetry software, and deliver files formatted for the tools you already use. No conversion steps, no proprietary viewers.
Equipment & pipeline
DJI Matrice 4E — RTK enabled
The Matrice 4E is a professional mapping drone with a high-resolution survey camera and an integrated RTK module. Connected to the Missouri DOT (MoDOT) CORS network, it achieves 2–5 cm absolute positioning accuracy — the same CORS network used by professional land surveyors in Missouri.
RTK-corrected coordinates mean every mission is in the same absolute coordinate space. When you step through weekly scan dates in the viewer, the site doesn't appear to shift — only real change is visible.
Processing pipeline
- Photogrammetry processing with DJI Terra / WebODM
- 3D Tiles output (B3DM format) for browser-native streaming
- GeoTIFF orthomosaic export at full sensor resolution
- DXF/DWG export via photogrammetry mesh
- Tiles hosted on AWS S3 with immutable cache headers
Credentials & coverage
FAA Part 107
Licensed FAA Part 107 remote pilot. Commercial UAS operations are authorized and legal anywhere we fly.
Insured
Fully insured for commercial drone operations. Certificates of insurance available on request for clients who require them for site access.
Service Area
Based in St. Louis, Missouri. Available throughout the greater St. Louis metro area and broader Missouri. Contact us for projects outside Missouri.
Featured project
Louiselle Park Neighborhood — St. Louis, Missouri
An ongoing weekly photogrammetric survey of an active construction and development site. Since March 2026 we've flown and processed six scan dates, producing RTK-aligned 3D models and an orthomosaic layer for each visit.
Stakeholders can step through every scan date in the browser, use built-in measurement tools (distance, height, area), and toggle the orthomosaic overlay — all without installing any software.
Let's talk about your project.
Tell us what you're mapping and we'll put together a quote. We typically respond within 1–2 business days.
Request a Quote