Variable mode and variable configuration of small unmanned aircraft systems

This regulation allows a drone to qualify for multiple categories of operations over people (Categories 1-4) with the same aircraft, as long as the remote pilot cannot accidentally switch between different operating modes or configurations.

In practice, this means your drone might be eligible for Category 1 operations in one configuration and Category 2 in another—for example, with or without a protective guard, or at different weight settings. However, the aircraft must be designed so mode or configuration changes require deliberate action. You cannot have a simple switch or control that might be bumped or changed unintentionally during flight.

This matters because it gives operators flexibility to use one aircraft for different types of operations over people, while ensuring safety through intentional configuration management. The key requirement is preventing inadvertent changes—any mode or configuration switch must be purposeful and controlled.

*This is a plain-English summary for study only. The official 14 CFR text on this page is controlling — always read the current regulation and consult a CFI.*