Dr. Banners article in Julys issue, In-Flight Fires, mentions to bank 45 degrees during an emergency descent to create positive g loading and help offset negative g forces.Question: Generally speaking, why can airplanes withstand (or be certified for) greater positive g load limits than negative? Stated another way: Why are negative g loads more restrictive?Thanks for a great publication!
Airplanes are certified for greater positive g-load limits than negative primarily because they are already at 1g at rest, making the actual difference less substantial, and extreme negative g-loads are less frequently encountered in flight.
Although not required for private pilot certification due to past training accidents and "spin-proof" modern aircraft, spin training is still recommended for student pilots to enhance safety.
Existing lightning safety standards for ground personnel may be inadequate, as lightning can strike much further from a storm (6-8 miles or more) than often assumed.
Dr. Banner’s article in July’s issue, “In-Flight Fires,” mentions to bank 45 degrees during an emergency descent to create positive g loading and help offset negative g forces.
Question: Generally speaking, why can airplanes withstand (or be certified for) greater positive g load limits than negative? Stated another way: Why are negative g loads more restrictive?
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