Division (5) ‘Small Airships’ refers to:

• all Hot-Air Airships independent of their size,

• Gas Airships up to a volume of 2 000 m³;

‘Medium Airships’ refers to Gas Airships with a volume of more than 2 000 m³ up to 15 000 m³;

‘Large Airships’ refer to Gas Airships with a volume of more than 15 000 m³.