Generic differential tool
basic trim control tool, differential method
APPI provides a paragliding license based on a high quality of paragliding, and an education system that is recognised internationally among all APPI schools worldwide, and partner Associations and Federations.
APPI certifications awarded to a pilot is internal to the APPI system, and shows no particular right in the country where the activity is done, unless APPI is recognized by the legal authority managing free flight in that country. Your paragliding activity must comply with the laws of the country in which it is performed. Check with the local federation if such an agreement exists. In some countries, APPI is the official education system.