Maximum Take-off Mass Limits

In plain language

You must never fly your drone at a weight that exceeds the specified Take-off Mass (TOM) for the operation, and this TOM must not be higher than the maximum limit set by the manufacturer.

Requirement as structured

All flights must be conducted without exceeding the specified Take-off Mass (TOM), which must not exceed the Maximum Take-off Mass (MTOM) defined in the UAS flight manual.

Original regulatory text

All flights should be conducted without exceeding that the specified TOM. The TOM may be different from (however, not exceeding) the MTOM defined by the UAS design organisation in the UAS flight manual.