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The Missing Instrument

Gemini Sparkle

Key Takeaways:

  • Modern general aviation cockpits feature advanced technologies, yet the crucial Angle-of-Attack (AOA) indicator remains largely absent from light aircraft.
  • AOA is a fundamental safety concept as wings stall due to excessive angle, not low airspeed, and its stall point is constant regardless of aircraft weight or load factor.
  • Despite its importance and presence in larger aircraft, AOA indicators are not standard in light GA planes due to cost and installation challenges, though they would greatly enhance safety and pilot training.
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When you think about the array of flight technologies available in today’s light general aviation airplanes, it’s sometimes hard to believe we’ve come so far so fast.

From infrared enhanced-vision systems and computer-generated synthetic-vision technology to satellite downlinked weather graphics and GPS precision-approach capability, all presented on bright, colorful flat-panel cockpit displays, the instrument panel of a Cessna Skyhawk built today looks amazingly different than it did in 172s flying 10, 20, 30, 40 or (can it really be possible?) 50 years ago.

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