Coming soon
What “1cm accuracy” actually means for a drone survey
The difference between an aircraft’s RTK positioning spec and the accuracy of the deliverable you receive, and how to check it.
Notes
Notes on aerial survey.
Practical writing for people who commission this work: what accuracy figures actually mean, when LiDAR is worth the money and when it is not, how airspace works on this coast, and how to specify a deliverable your software will open.
Coming up
First notes in progress
Coming soon
When LiDAR is worth it on Vancouver Island, and when photogrammetry wins
A straight comparison built around canopy, terrain and cost, including the case against LiDAR on open ground.
Coming soon
Flying in Victoria’s control zone
How the YYJ control zone, the Inner Harbour water aerodrome and NAV CANADA authorisation work in practice on the Saanich Peninsula.
Coming soon
How to specify a drone survey your software can open
Coordinate system, vertical datum, contour interval, file format and base surface: what to put in the request.
Coming soon
Fly the site before you clear it
Why a pre-clearing LiDAR survey is worth more than the same flight three months later.
Meanwhile
The FAQ answers most of it already
Twenty questions on accuracy, verification, formats, cost drivers, turnaround, airspace and certification — with the two things we deliberately do not do stated plainly.
Notes published here are general information and not project-specific advice. Survey deliverables are for information and planning purposes and are not a legal survey.