I recommend that you read their 'blurb' carefully
Based on the results of all steps Darwin Airline Ltd. may propose an employment according the company needs and policy. Candidates are asked to pay a participation fee of CHF 400.00 as a partial cover of effective costs. Anyway, this amount will be deducted from the total cost of training if the pilot is hired by our Company.
My
bold emphasis.
I would want to know what I was commiting myself to before going much further.
HWB