Definition of Unmanned Free Balloon

In plain language

Unmanned free balloons are only regulated as ultralight flying devices under these rules if they carry an external object weighing 2 kg or more.

Requirement as structured

An unmanned free balloon (무인자유기구) is classified as an ultralight flying device (초경량비행장치) only if it flies while carrying an external payload weighing 2 kilograms or more.

Original regulatory text

4. 기구류: 기체의 성질ㆍ온도차 등을 이용하는 다음 각 목의 비행장치 나. 무인자유기구(기구 외부에 2킬로그램 이상의 물건을 매달고 비행하는 것만 해당한다. 이하 같다)

Applies when

min mtom kg

2