4.3.3 Guidance for design and test engineers and test facility operators.
4.3.3.1 Natural environment (field/fleet) testing.
Plan for and conduct natural environmental field/fleet tests, incorporating the principles of environmental tailoring information into established field/fleet procedures and facilities.
4.3.3.2 Laboratory testing.
Plan for and conduct laboratory tests according to the tailoring information above and specific guidelines below in Part One, plus specific guidelines in each method of Part Two of this standard.