Airline Transport Pilot and Type Rating for Airplane Category › VII. Emergency Operations › Task A. Emergency Procedures

AA.VII.A.S2c

Skill

Use proper procedures for an emergency situation(s) presented by the evaluator, such as:

Decompression

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

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Pilot's Handbook of Aeronautical Knowledge p. 7-36
Chapter 7: Aircraft Systems › Pressurized Aircraft
climb or descent. A cabin rate-of-climb instrument and a cabin altimeter are illustrated in Figure 7-42. Decompression is defined as the inability of the aircraft’s pressurization system to maintain its designed pressure differential. This ... caused by a malfunction in the pressurization system or structural damage to the aircraft. Physiologically, decompressions fall into the following two categories: • Explosive decompression—a change in cabin pressure faster than the lungs can decompress, possibly resulting in lung damage…
Aeronautical Information Manual p. 8-1-5
Chapter 8. Medical Facts for Pilots › Section 1. Fitness for Flight › 8-1-3. Hyperventilation in Flight
altitude decompression sickness due to evolved nitrogen gas can occur during exposure to reduced barometric pressure (i.e., low cabin pressure) associated with increased altitude and may lead to a serious inflight emergency. 2. The recommended wait time before going ... feet is at least 12 hours after diving that did not require a controlled ascent (i.e., non-decompression stop diving), and at least 24 hours after diving that required a controlled ascent (i.e., decompression stop diving). The recommended wait time…
Pilot's Handbook of Aeronautical Knowledge p. 17-18
Chapter 17: Aeromedical Factors › Hydraulic Fluid › Altitude-Induced Decompression Sickness (DCS)
Altitude-Induced Decompression Sickness (DCS) Decompression sickness (DCS) describes a condition characterized by a variety of symptoms resulting from exposure to low barometric pressures that cause inert gases (mainly nitrogen), normally dissolved in body fluids and tissues, to come ... body is exposed to decreased barometric pressures (as in flying an unpressurized aircraft to altitude or during a rapid decompression), the nitrogen dissolved in the body comes out of solution. If the nitrogen is forced to leave the solution…
Pilot's Handbook of Aeronautical Knowledge p. 17-19
Chapter 17: Aeromedical Factors › Health and Physiological Factors Affecting Pilot Performance › DCS After Scuba Diving
skin, accompanied by tiny scar-like skin depressions (pitting edema) Figure 17-10. Signs and symptoms of altitude decompression sickness. evolved gas can occur during exposure to low altitude and create a serious inflight emergency. The eye functions much like ... require controlled ascent (nondecompression stop diving), and at least 24 hours after diving that does require controlled ascent (decompression stop diving). The waiting time before going to flight altitudes above 8,000 feet should be at least 24 hours after…
Aeronautical Information Manual p. 8-1-4
Chapter 8. Medical Facts for Pilots › Section 1. Fitness for Flight › 8-1-2. Effects of Altitude
pilot performance. 4. If a sinus block does not clear shortly after landing, a physician should be consulted. d. Decompression Sickness After Scuba Diving. 1. A pilot or passenger who intends to fly after scuba diving should allow the body ... sufficient time to rid itself of excess nitrogen absorbed during diving. If not, altitude decompression sickness due to evolved nitrogen gas can occur during exposure to reduced barometric pressure (i.e., low cabin pressure) associated with increased altitude and may lead…