21-13. OXYGEN SYSTEMS
All questions: 73
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Questions for exams: 30
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1. The passenger oxygen mask will supply:
2. Why should you not use oxygen masks when the cabin is affected by smoke?
3. When quick donning masks are in use, the pilot is:
4. The purpose of the first aid oxygen is to:
5. The equipment of an oxygen supply installation must be kept absolutely free of oil or grease traces as:
