This Aerospace Recommended Practice (ARP) defines and establishes design, construction, and performance requirements for a flexible, reuseable, water-vaporproof cover for environmental protection of internal combustion engines, major components, and other military and commercial items (see 6.1).

Classification:

Covers defined by this specification shall be of the following types, as specified (see 6.2):

Type I - For overseas and domestic shipment and storage. Desiccant replacement not required before 12 months.

Type II - For overseas and domestic shipment and storage. Desiccant replacement not required before 6 months.

Type III - For domestic shipment and storage. Desiccant replacement not required before 2 months.