AAIB Report: Various aircraft, Blockage of pitot probes by insects, Heathrow Airport

Between 9 June 2021 and 19 July 2021, several aircraft suffered from abnormal pitot/static system events, two of which resulted in rejected takeoffs.

https://www.gov.uk/government/news/aaib-report-various-aircraft-blockage-of-pitot-probes-by-insects-heathrow-airport