Field notes and technical writing

What we have learned flying survey missions across India - accuracy, method, regulation and the mistakes worth not repeating.

Accuracy

How accurate is a drone survey, really?

Vendors quote centimetres. Here is what actually determines the number, why check points matter more than the specification sheet, and how to read an accuracy statement critically.

15 August 20261 min readBy Xorian Survey Team

Method

LiDAR or photogrammetry: choosing correctly the first time

The decision comes down to one question - is there anything between the sensor and the ground you care about? Everything else is secondary.

31 July 20261 min readBy Xorian Survey Team

Regulation

DGCA permissions: what clients should actually know

Airspace zones, Digital Sky filings, type certification and the timelines that catch project managers out. A plain-language guide for the person commissioning the survey.

14 July 20261 min readBy Xorian Flight Operations

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