Singapore Airlines SQ321 Fatal Turbulence Incident Over Myanmar – Weather Radar Investigation
Singapore Airlines flight SQ321, a Boeing 777-300ER (9V-SWM), encountered severe clear-air turbulence over southwest Myanmar on 21 May 2024 while en route from London Heathrow to Singapore, resulting in one fatality and 56 serious injuries. Singapore's Transport Safety Investigation Bureau is investigating whether a weather radar 'underpainting' malfunction failed to display hazardous conditions to the crew. The aircraft diverted to Bangkok, and subsequent testing revealed possible intermittent radar underpainting. Investigators have recommended development of cockpit weather radar recording capability, which is currently absent on pre-2023 certified aircraft types.
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Impact verdict
Medium impact. MEDIUM: High-row recalibration. The Singapore Airlines SQ321 turbulence event creates Aviation Liability, passenger injury, potential hull and regulatory exposure. Impact is not HIGH absent hull loss, fleet-wide grounding, product-liability finding, major claims estimate, or market-wide aviation pricing response.
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