PPL(A) Aviation Law - Poland

According to the law of which state the claims for compensation for damages resulting from aircrafts collission if the aircrafts are of the same nationality?

According to the law of which state the claims for compensation for the help provided by an aircraft is assessed if the party concerned and the aircraft are of the same nationality? 

During VFR flight in EPWW FIR, not having an individually assigned SSR code, and entering the airspace where the air traffic control requires secondary radar to be used, the pilot should turn on the transponder setting it at Mode A and the Code: 

Transition altitude is:

The transition altitude in the EPWW FIR in the airspace class G has been set at 6557 ft (2000 m) AMSL. This is the altitude: 

What parts does a flight training to obtain a license or rights consist of?

What parts does a flight training consist of? 

Unless otherwise stated by the ATC clearance and if the minimum height above the densely developed cities or settlements or assembly of persons in the open air will be maintained, VFR flights in FIR Warsaw in Class C space flight levels may be held at: