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Physiology of Flight Objective: Know the protective equipment used in actual flight

Physiology of Flight Objective: Know the protective equipment used in actual flight

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Page 1: Physiology of Flight Objective: Know the protective equipment used in actual flight

Physiology of FlightObjective:• Know the protective

equipment used in actual flight

Page 2: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective Equipment: OverviewDescribe the protective

equipment used by pilots and astronauts.

Today’s lesson will focus on:Oxygen SystemsPressure SuitsCabin PressurizationG SuitsEjection Seats

Page 3: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentProtective Clothing and

Equipment• Three types of oxygen

breathing systems. Continuous-flow Diluter-demand Pressure-demand

• Oxygen masks are used above 10,000 feet in unpressurized Air Force aircraft.

Page 4: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentProtective Clothing and Equipment

• Oxygen was first supplied by an oxygen mask then by a pressure suit.

The pressure suit is the basis for space suits.• Partial Pressure suit

• Pressurization to chest and head, partial to arms and legs

• Full Pressure Suit• Incases the entire body, generally includes a self contained oxygen

generator to assist in movement

Page 5: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentPressurized Cabins

• The first American-built pressurized cabin was developed in 1937 with the XC-35.

• The difference in pressure between the atmosphere in the cabin and that on the outside is called the pressure differential.

• The Federal Aviation Agency (FAA) mandates that cabin altitude cannot exceed 8,000 feet on civilian airliners

• Most military and civilian cargo aircraft keep the cabin altitude a little higher to lessen the impact of decompression

Empty bottle of air closed at 8000 ft cabin pressure at sea level

Page 6: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentProtective Clothing and

Equipment• Modern G-suits

Blood

Pressure

Page 7: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentEscape Equipment

ParachutesEjection seat

Page 8: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentEscape Equipment

• Ejection-seat system • Usually equipped with

harness, guardrails, a footrest, and a headrest

Aces II“Zero/Zero”

Seat

Page 9: Physiology of Flight Objective: Know the protective equipment used in actual flight

Protective EquipmentTiming an Ejection

•0 seconds - Pilot pulls cord; canopy is jettisoned or shattered; catapult initiates, sending seat up rails. •0.15 seconds - Seat clears ejection rails at 50 feet (15 m) per second and is clear of surrounding cockpit; rocket catapult ignites; yaw motor fires, inducing slight yaw to assure man-seat separation. (Burn time of all motors equals 0.10 seconds.)

•0.50 seconds - Seat has lifted to about 100 to 200 feet (30.5 to 61 m) from ejection altitude.

•0.52 seconds - Seat-man-separator motor fires; cartridge fires to release crewmember and his equipment from seat; drogue gun fires parachute

•2.5 to 4 seconds - Main parachute is fully deployed.

Page 10: Physiology of Flight Objective: Know the protective equipment used in actual flight

Flight Simulators

Barany Chair• A rotating chair with a large

bearing system to ensure smooth operation.

• Allows trainee to both experience and witness the effects of spatial disorientation.

Page 11: Physiology of Flight Objective: Know the protective equipment used in actual flight

Aircrew TrainingEjection Seat Training Parachute

Training

Page 12: Physiology of Flight Objective: Know the protective equipment used in actual flight

Aircrew TrainingG-Force Training and

Simulator

Page 13: Physiology of Flight Objective: Know the protective equipment used in actual flight

Aircrew TrainingWater Survival

Training

Page 14: Physiology of Flight Objective: Know the protective equipment used in actual flight

Physiology of FlightObjective:• Know the protective

equipment used in actual flight