Challenge Air

Challenge Air is an airline from Germany — ICAO code CLS. Its radio callsign is “AIRISTO”. No one has caught Challenge Air aircraft in Skydex yet — the first catch is still open.

ICAO code
CLS
Radio callsign
AIRISTO
Country
Germany

Questions

What is the airline code of Challenge Air?

ICAO CLS. Its radio callsign is AIRISTO.

Which country is Challenge Air from?

Germany.