Night lighting requirement for heavy unmanned free balloons

Verified from official sources
2.39Version 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