Thunderbumbers

As a committed subscriber I believe you have the best "bible" of information anywhere. Anyone who doesnt take advantage of Aviation Safety is cheating themselves. I have saved every issue for years. Regarding Aprils article on convective weather (On A Mission: Thunderstorms) I acknowledge the 20-mile principle in avoiding thunderstorms. However, after 35 years of Florida summers, flying in both VFR and IFR conditions, it is seldom that thunderstorms allow 20-mile avoidance, especially in the afternoon and evening. In non-turbo light twins and singles that cant climb high enough to "see" whats ahead, getting under the bases and using cockpit Nexrad provides a better choice of airports to run to when things look grim and a better visual picture to dodge mature cell activity.

Key Takeaways:

• A pilot offers alternative thunderstorm avoidance strategies, including cockpit Nexrad and flying under bases, arguing that the 20-mile rule is often impractical in Florida, and emphasizes the importance of knowing when not to fly.
• A letter criticizes a flight examiner who demonstrated a turnback maneuver following a simulated engine failure at low altitude (700-800 ft AGL) during a private pilot checkride, deeming it a dangerous error in judgment.
• An expert explains that aluminum rivets should never be used on carbon fiber structures due to galvanic corrosion, where aluminum becomes sacrificial, and potential fiber damage, recommending specific fasteners like titanium or A286 stainless steel and electrical isolation.

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