Domanda 24, Operational Procedure - PPL(A) English - Private Pilot License (Aircraft)

Sudden and apparently baseless change in altitude, airspeed, rate of climb or descent.
Sudden and apparently baseless change in heading, turning rate, engine speed or oil temperature
Sudden and apparently baseless change of oilpressure, oil temperature, engine speed and altitude
Rather unexpected onset of drizzle associated with high stratus clouds following previously clear skies and calm conditions