WG CDR AVK RAJU GD SPL (AV MED) AIR FORCE STATION MUMBAI

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<ul><li>Slide 1</li></ul> <p>WG CDR AVK RAJU GD SPL (AV MED) AIR FORCE STATION MUMBAI Slide 2 Slide 3 3 Slide 4 4 Slide 5 5 Slide 6 6 Slide 7 7 Slide 8 8 Slide 9 9 Slide 10 10 Slide 11 SENSE OF ONES POSITION MOTION ATTITUDE IN RELATION TO THREE DIMENSIONAL SPACE DEFINED BY SURFACE OF THE EARTH THE GRAVITATIONAL VERTICAL 11 Slide 12 AN AVIATOR FAILS TO SENSE CORRECTLY, HIS MOTION, POSITION AND ATTITUDE WITH IN THE FIXED COORDINATE SYSTEM PROVIDED BY THE SURFACE OF EARTH AND THE GRAVITATIONAL VERTICAL 12 Slide 13 13 Study on 55 pilots (Aggarwal, 1999) 1 episode of SD 91% &gt;1 episode of SD 60% Type I (22.2%); Type II (53.5%); Type III (24.2%) R accident analysis (Gomez, Ghosh) 1995-2000 Total Major accidents related to SD 12 Total Fatalities 18 Slide 14 1. VISUAL - FOCAL &amp; PERIPHERAL - FOCAL &amp; PERIPHERAL 2. VESTIBULAR 3. PROPRIOCEPTIVE - MUSCLE, TENDON &amp; JOINT - MUSCLE, TENDON &amp; JOINT 4. CUTANEOUS - MECHANORECEPTORS - MECHANORECEPTORS 5. AUDITORY 14 Slide 15 15 VISUAL 90 % VESTIBULAR 5 % PROPRIOCEPTIVE 5 % Slide 16 16 IMPORTANT FOR ORIENTATION IMPORTANT FOR ORIENTATION Slide 17 17 WHAT VISION WHERE VISION Slide 18 VISUAL ORIENTATION CUES BINOCULAR CUES Stereopsis Accommodation Convergence MONOCULAR CUES Size constancy Aerial Perspective Linear Perspective Motion Parallax Interposition Texture and gradient Slide 19 19 Slide 20 20 Slide 21 21 Slide 22 22 Slide 23 23 Slide 24 24 Slide 25 (Helicopter Aircrew) 25 Slide 26 SHAPE CONSTANCY 26 Slide 27 SIZE CONSTANCY 27 Slide 28 28 Slide 29 29 Slide 30 30 Slide 31 31 Slide 32 Slide 33 THE SHADOW CAST BY MOVING ROTORS PASSING OVER COCKPIT CAUSE THIS ILLUSION 33 Slide 34 34 Slide 35 35 Slide 36 TYPE I: UNRECOGNISED TYPE II: RECOGNISED TYPE III: INCAPACITATED 36 Slide 37 IMC NIGHT FLYING UN-NECESSARY HEAD MOVEMENTS FORMATION FLYING IN ADVERSE WEATHER CONDITIONS HYPOXIA PHYSICAL &amp; MENTAL HEALTH OF AIRCREW FATIGUE 37 Slide 38 . NIGHT. BAD WEATHER : RAIN, SNOW, FOG, MIST, HAZE. HIGH ALTITUDE. MONSOON. CLOUD. OVER FEATURELESS TERRAIN. ATMOSPHERIC WHITE OUT. BLACK-HOLE APPROACHES 38 Slide 39 PREVENTION OF SD AIRCREW FACTORS AIRCRAFT FACTORS OPERATIONAL FACTORS 39 SELECTION HEALTH &amp; MEDICATION INDOCTRINATION &amp; TRG IN-FLIGHT PROCEDURES INSTRUMENT PROFIENCY BREAK IN FLYING GOOD COCKPIT LAYOUT HUD AUTO PILOT DISPLAY Slide 40 DO NOT MIX IMC WITH VMC (IMF WITH VMF) TRUST YOUR INSTRUMENTS DO NOT ANALYSE THE SITUATION MAINTAIN INSTRUMENT SCAN PATTERN TALK, GIVE YOUR HEAD A SHAKE HAND OVER CONTROLS TO CO-PILOT CALL OUT EMERGENCY, SEEK HELP ENGAGE AUTOPILOT 40 Slide 41 DISO TRG IN IAF 41 Slide 42 42 </p>