FAASTeamFAASTeam
WelcomeWelcome Stress, Fatigue and FlyingStress, Fatigue and Flying
FAASTeamFAASTeam
WelcomeWelcome Presenter: Dr. Karen DunbarPresenter: Dr. Karen Dunbar
FAASTeamFAASTeam
Some DefinitionsSome Definitions
StressStress
FatigueFatigue
FAASTeamFAASTeam
Physiological StressorsPhysiological Stressors
Sleep LossSleep Loss
Sleep Changes with AgeSleep Changes with Age
Individual FactorsIndividual Factors
FAASTeamFAASTeam
Physiological StressorsPhysiological Stressors
Circadian RhythmsCircadian Rhythms
Maximum alertness Maximum alertness 9 – 11 am / 9 – 9 – 11 am / 9 – 11 pm11 pm
Minimum alertness Minimum alertness 3 – 5 am /3 – 5 am / 3 – 5 3 – 5 pm pm
FAASTeamFAASTeam
Physiological StressorsPhysiological StressorsIllnessIllness
OverexertionOverexertion
HeatHeat
Poor NutritionPoor Nutrition
NoiseNoise
FAASTeamFAASTeam
Psychological StressorsPsychological StressorsEmotionalEmotional
SocialSocial
VocationalVocational
FinancialFinancial
FamilyFamily
Adaptation to Ongoing Adaptation to Ongoing StressStress
FAASTeamFAASTeam
Physiological Effects of StressPhysiological Effects of Stress
Release of stress hormonesRelease of stress hormones
Limbic System - emotionsLimbic System - emotions
Frontal lobe - memoryFrontal lobe - memory
Cardiovascular – blood pressure & Cardiovascular – blood pressure & pulsepulse
Respiratory – increased rateRespiratory – increased rate
Metabolism – release of stored sugarsMetabolism – release of stored sugars
FAASTeamFAASTeam
Physiological Effects of StressPhysiological Effects of Stress
Non-essential SystemsNon-essential Systems
Immune system – suppressedImmune system – suppressed
Spleen – emptiedSpleen – emptied
GI System – slowedGI System – slowed
Skin – reduced blood flowSkin – reduced blood flow
FAASTeamFAASTeam
Stress, Pilots and FlyingStress, Pilots and Flying
FAASTeamFAASTeam
Sleep DataSleep Data
Average sleep at homeAverage sleep at home
Problems getting to sleepProblems getting to sleep
Sleep promotersSleep promoters
Sleep interferenceSleep interference
FAASTeamFAASTeam
Flight InformationFlight Information
DelaysDelays
High/Low Density Operating High/Low Density Operating AreasAreas
Time on Ground Between LegsTime on Ground Between Legs
Types of FlightsTypes of Flights
FAASTeamFAASTeam
Duty Day Length and Duty Day Length and FatigueFatigue
Perception of fatigue as a significant Perception of fatigue as a significant safety safety factorfactor
Self-reported microsleep (nodding off) Self-reported microsleep (nodding off) and and short vs. long duty dayshort vs. long duty day
FAASTeamFAASTeam
FatigueFatigue
SignificanceSignificance
FrequencyFrequency
Interference with dutiesInterference with duties
FAASTeamFAASTeam
Research Based Research Based ConsiderationsConsiderations
Time on task Time on task
Time since awake Time since awake Task typeTask type
FAASTeamFAASTeam
Research Based Research Based ConsiderationsConsiderations
Duty Period DurationDuty Period Duration
Environmental FactorsEnvironmental Factors
Location of Task Location of Task
FAASTeamFAASTeam
Let’s Take a Simulated Let’s Take a Simulated FlightFlight
FAASTeamFAASTeam
Major Factors on “Most Major Factors on “Most Fatiguing Work Day”Fatiguing Work Day”
Factors contributing to subjects' most fatiguing work days flying corporate operations
0
100
200
300
400
500
600
700
No
. o
f R
esp
on
ses
FAASTeamFAASTeam
Pilot Reported Effects of Pilot Reported Effects of Fatigue on PerformanceFatigue on Performance
Effects of fatigue on flight performance
0
100
200
300
400
500
600
No
. o
f R
esp
on
ses
FAASTeamFAASTeam
Stress Management Stress Management StrategiesStrategies
Before the flight/All the Time!Before the flight/All the Time!
FAASTeamFAASTeam
Self-Management of StressSelf-Management of StressPhysicalPhysical
SocialSocial
BehavioralBehavioral
CognitiveCognitive
RecuperativeRecuperative
FAASTeamFAASTeam
Stress Management Stress Management StrategiesStrategies
During the FlightDuring the Flight
Strategies used by crewmembers to cope with fatigue during flights
0
100
200
300
400
500
600
No
. of r
esp
on
ses
FAASTeamFAASTeam
So, Where Does That Leave So, Where Does That Leave Pilots?Pilots?
I I llness llness
MM edication edication
SS leep leep
A A lcohol lcohol
FF atigue atigue
EE ating ating
Thank YouThank You
•Thank you for coming this eveningThank you for coming this evening
•Thank you for your participationThank you for your participation
FLY SAFELY !!!FLY SAFELY !!!
Recommended
