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Human Performance & Limitations

The complete Human Performance & Limitations book by Capt. Pankaj Pahil — 26 chapters covering aviation physiology, the senses, illusions, fitness to fly, and aviation psychology, from the atmosphere and hypoxia through CRM, stress, fatigue and decision-making, with a full mock-exam question bank.

28 Chapters60 min Exam0 Qs in Paper75% to Pass
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Chapters

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Foreword & How to Use This Book

The foreword, how to use this book, and the full table of contents.

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1

The Human Factor

What Human Performance & Limitations is and why it's examined, why the human element fails, the SHELL model of the pilot-system interface, the Dirty Dozen — twelve common precursors to error, and self-check memory aids.

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2

The Atmosphere

The atmosphere's composition and layers, the gas laws (Boyle's, Dalton's, Henry's), and how pressure and temperature vary with altitude.

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3

Altitude & Oxygen

Partial pressure of oxygen and the effects of increasing altitude, the physiological zones of the atmosphere, and self-check memory aids.

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4

The Brain & Nervous System

The brain and the nervous system — structure and function relevant to pilot performance.

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5

Breath & Blood

The respiratory system, the circulatory system, blood pressure, and the key numbers to know.

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6

Hypoxia

Hypoxia — types, symptoms, stages, and time of useful consciousness.

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7

The Silent Killers

Carbon monoxide poisoning and hyperventilation — symptoms, and how they mimic hypoxia.

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8

Pressure, TUC & Decompression

The baroreceptor reflex, the 48-hour blood-donation rule, cabin pressurisation and time of useful consciousness, decompression theory, decompression sickness, and the 24-hour flying-after-diving rule.

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9

Smoking & Alcohol

Smoking and alcohol — physiological effects and DGCA limits.

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10

The Cabin Environment

Humidity, temperature, vibration, glare and UV radiation in the cabin, in-flight incapacitation, and fits and faints.

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11

The Eye

The eye — structure and function, and the limitations of visual acuity.

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12

The Limits of Sight

Limitations of the visual system, protection of vision, visual defects, colour vision and colour blindness, and vision versus reaction time.

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13

The Ear & Balance

The ear's two functions and three sections, the middle and inner ear, the Eustachian tube, the audible range of hearing, noise and hearing loss, hearing protection, and the balance mechanism.

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14

Illusions & Spatial Disorientation

Conflicts between the ears and the eyes, illusions and spatial disorientation/vertigo, illusions while taxiing, on take-off, false outside-reference triggers, illusions in the cruise, illusions on approach and landing, protective measures, and air/motion sickness.

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15

The Forces

Acceleration and G-forces, the effects of increased-G manoeuvres, the DGCA reference figure of 1.41G at 45°, factors affecting G-tolerance, and negative-G/red-out.

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16

Fitness & Nutrition

Individual physical differences, exercise and weight, nutrition and food hygiene, hypoglycemia, and gastric distress from contaminated food.

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17

Fitness to Fly

Sinus blockage, dental pain (barodontalgia), dehydration, personal hygiene, and common ailments affecting fitness to fly.

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18

Drugs & Self-Medication

Drugs and self-medication, caffeine, anaesthetics and analgesics, hypothermia, toxic hazards, and dangerous cargo.

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19

Information Processing

Introduction to aviation psychology, human error and human reliability, workload, and a functional model of information processing.

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20

Memory & Skill

Types of memory and sensory memory, anticipation and perception, attention, vigilance and complacency, and motor programmes (the Anderson skill model).

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21

Workload, Error & Decisions

Reflexes, reaction time, surprise and startle, quantitative overload and human reliability, short- and long-term memory, learning/retention/motivation, and experience, response, cognition and hallucination.

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22

The Team & The Machine

Judgment and decision-making, personality/attitude/situational awareness, the mechanics of decision-making, communication and teamwork, automation, human characteristics in cockpit design, and displays and controls.

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23

Stress, Arousal & Fatigue

Stress tolerance, fatigue and arousal, and the well-being of operational personnel.

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24

Sleep & Body Clock

Body-rhythm disturbance and the circadian cycle, sleep stages (NREM and REM), mental health problems and disorders, and master reference tables and mnemonics.

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25

Numbers & Mnemonics

Quick-reference numbers and mnemonics across the whole subject: atmosphere and altitude, hypoxia/TUC/decompression, poisons and the cabin, vision and hearing, forces and fitness, and psychology.

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26

Mock Papers + Viva Bank

A 50-question mock exam covering the full syllabus, with worked answers and chapter cross-references.

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27

Glossary, Index & References

A glossary of terms used throughout the book, an alphabetical index by chapter, references and further reading, and a word about the author.

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Mid-Subject Test

After first 14 chapters · 40 questions · 50 minutes

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Full Subject Test

All 28 chapters · 0 Qs · 60 min · DGCA format

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DGCA Sample Papers

ATPL-style papers for HPL · Actual exam pattern

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