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Extreme Turbulence in Singapore Airlines flight 321

Fear of Landing

A few days ago (21st of May 2024), Singapore Airlines flight SQ321 encountered heavy turbulence on a passenger flight from London-Heathrow to Singapore. A few seconds later, at 07:49 UTC, “all hell broke loose” as passenger Andrew Davies said to CNN. There were 229 on board, including eighteen crew members.

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AIRMETs Vs. SIGMETS: What’s the Difference?

Pilot Institute

These weather alerts each have their own role: AIRMETs warn about moderate conditions like turbulence, icing, and limited visibility, which can affect smaller or less equipped aircraft. SIGMETs alert pilots to more severe weather events like thunderstorms, volcanic ash, or strong turbulence that could pose serious risks to any flight.

UTC 52
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What Is a SPECI and When Is It Issued?

Pilot Institute

Cloud ceilings below 1,500 feet or cumulonimbus clouds can trigger a SPECI. Expect poor visibility, increased turbulence, and slippery runway surfaces. This information is vital for determining cloud ceilings, especially during landing approaches. Low cloud ceilings, especially below 1,500 feet, lower visibility in VFR.