International Organization for Standardization (ISO)
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ISO 9662:1994
Scope
Applies primarily to civil and transport aircraft and specifies the test requirements and various test procedures for aerospace equipment which could be subjected to moisture ingress, frosting and condensation, resulting from the passage through atmospheric conditions of high humidity, in combination with or induced by changing temperature and pressure.
ISO 9662:1994 history
1994ISO 9662:1994 Aircraft equipment; environmental and operating conditions for airborne equipment; humidity, temperature and pressure tests