Flying Through the Center of a Trough Should Have Been Uneventful

A combination of weather and decision-making leads to a flight narrative worth sharing.

Thursday, April 25, 2024 at 09:50 AM ET

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FLYING contributor Scott Dennstaedt says he learned some valuable lessons on a memorable 2006 flight from the right-hand seat. [iStock]

Key Takeaways:

The author, a meteorologist and CFI, recounted a challenging flight as a passenger where the pilot chose an "eastern" route into adverse weather despite the author's preference for a safer "western" route.
The flight encountered rapid clear ice accretion at the freezing level, heavy rain, and severe chop between 4,500 and 8,000 feet, prompting a diversion to Richmond, Virginia.
Post-diversion analysis confirmed the severe turbulence was caused by significant vertical speed and directional wind shear within an unstable atmospheric layer, rather than embedded thunderstorms.
A key lesson learned was the importance of negotiating alternative routes with Air Traffic Control once in radar contact to avoid predicted hazardous weather, which would have made the flight uneventful.

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Over the last 25 years, I have been asked to speak on various aviation weather topics at dozens of aviation events and gatherings.

During these events, it’s quite common for a pilot to walk up and ask me about how I handled my most challenging flight as it relates to weather. Maybe they were expecting to hear something juicy; I don’t know. While I don’t want to disappoint them about a harrowing recount of one of my prior flights, my response is usually the same. I don’t have such a story since I am always diligent about minimizing my exposure to adverse weather when I am the pilot in command (PIC).