• 1978 Air India 747 crash at night, Bombay.
  • 10-12 deg. climb = gradual 1.1G bank to inverted.
• Nocturnal IFR takeoff.
  • Normal SEL acceleration = 3-degree climb.
• Nighttime catapult launch off aircraft carrier.
  • Strong illusion of steep climb persists 30 sec.
• Glider winch launch.
  • Launch seems steeper than it is...
• Abrupt full spoiler in a glider on final.
  • Sense of nose-down pitch -> reflex back stick.
  • Oculogravic illusion makes you see the nose drop.

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