DONE 4J Emergencies - Pressurization Flashcards
- AIRPLANE ONLY*
2. What are the two types of decompression? (FAA-H-8083-25)
Explosive decompression—Cabin pressure decreases faster than the lungs can decompress. Most authorities consider any kind of decompression which occurs in less than 1⁄2 second as explosive and potentially dangerous. This type of decompression could only be caused by structural damage, material failure, or by a door “popping” open.
Rapid decompression—A change in cabin pressure where the lungs decompress faster than the cabin. There is no likelihood of lung damage in this case. This type could be caused by a failure or malfunction in the pressurization system itself, or through slow leaks in the pressurized area.”
Excerpt From: Michael D. Hayes. “Commercial Oral Exam Guide.” Aviation Supplies and Academics, Inc., 2013-08-23. iBooks.
This material may be protected by copyright.
Check out this book on the iBooks Store: https://itun.es/us/VYzzR.l
- AIRPLANE ONLY*
1. What is meant by decompression? (FAA-H-8083-25)
Decompression is the inability of the aircraft’s pressurization system to maintain the designed “aircraft cabin” pressure. For example, an aircraft is flying at an altitude of 29,000 feet but the aircraft cabin is pressurized to an altitude equivalent to 8,000 feet. If decompression occurs, the cabin pressure may become equivalent to that of the aircraft’s altitude of 29,000 feet. The rate at which this occurs determines the severity of decompression.”
Excerpt From: Michael D. Hayes. “Commercial Oral Exam Guide.” Aviation Supplies and Academics, Inc., 2013-08-23. iBooks.
This material may be protected by copyright.
Check out this book on the iBooks Store: https://itun.es/us/VYzzR.l
- AIRPLANE ONLY*
3. What are the dangers of decompression? (FAA-H-8083-25)
a. Hypoxia
b. At higher altitudes, being tossed or blown out of the airplane
c. Evolved gas decompression sickness (the bends)
d. Exposure to wind blast and extreme cold
