Ist es zwingend erforderlich Luftstraßen zu benutzen?

[Dancer]

Sie Instruction Pack, L1 - VFR and IFR :

Distance from Clouds:
1500 m / 3 SM horizontally 1000 ft vertically

As far as the minimum cruising distance from ground when flying VFR is 500 ft, you need a ceiling of at least 1500 ft to remain at a minimum of 1000 ft below clouds.

Visibility (in-flight):
8 km / 5 SM at and above FL 100 or 10 000 ft
5 km / 3 SM below FL 100 or 10 000 ft

Dancer out.