5.1. Windows
For windows cleaning, it is allowed the use of acrylic products employed for glass
and Pexiglas surfaces cleaning.
5.2. External surfaces
Aircraft surface is cleaned with soapy water; they are not allowed solvents or
alcohol based products. Died insects must be removed using hot water.
It is advisable to avoid outside aircraft parking for long periods; it is always
convenient to keep the aircraft in the hangar.
5.3. Propeller
To preserve its functionality avoiding wear and corrosion, the propeller
manufacturer uses, for external surface painting, an acrylic paint which is resistant
to all solvents. In any case it is advisable to clean the propeller using exclusively
soapy water.
5.4. Engine
Engine cleaning is part of the scheduled maintenance. Refer to the engine
manufacturer Maintenance Manual for operating and for planning its cleaning.
5.5. Internal surfaces
Interiors must be cleaned with a rate of 3 to 6 months. Any object present in the
cabin (like pens, lost property, maps, etc.) must be removed.
The instrumentation as a whole must be cleaned with a humid cloth; plastic sur-
faces can be cleaned with suitable products.
For parts not easily accessible, perform cleaning with a small brush; seats must be
cleaned with a humid cloth.