Night lighting requirement for heavy unmanned free balloons
Verified from official sources2.39Version 1Effective -Verified 21 August 2026
In plain language
If you operate a heavy unmanned free balloon at night in Finland below 18,000 meters (60,000 feet) pressure altitude, you must ensure that the balloon, its auxiliary parts, and its payload are illuminated. This lighting requirement applies even if these parts separate from each other during the flight.
Requirement as structured
Heavy unmanned free balloons must not be operated below a pressure altitude of 18,000 meters (60,000 feet) at night unless the balloon, its auxiliary parts, and its payload are illuminated.
Original regulatory text
Raskasta miehittämätöntä vapaata ilmapalloa ei saa käyttää 18 000 metrin (60 000 ja-lan) painekorkeuden alapuolella yöllä, jollei ilmapalloa ja sen lisäosia sekä hyötykuor-maa ole valaistu riippumatta siitä, irtoavatko ne toisistaan käytön aikana.
Applies when
- country
- Finland
- time of day
- night
- balloon type
- heavy
- regulatory category
- General