scope:

This specification defines the requirements for a liquid cleaning compound which when diluted with water 1:9 v/v is suitable for cleaning the soiled exterior of Service aircraft.

The cleaning compound may be applied by spraying, either as foam or, liquid, by brushing or by swabbing,

The surfaces to be cleaned may be unpainted metal or painted with glossy or matt schemes, including strippable acrylic paint complying with DTD 5599.

This specification introduces tests to limit specific forms of corrosion that affect aircraft structural materials.