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Cathay Pacific Trials Google AI Contrail Avoidance on Ultra-Long-Haul Flights

Cathay Pacific logoCathay Pacific
Sig3.29Sen+4.83Env+5.23Soc+0.10Gov+1.43
Alphabet (Google) logoAlphabet (Google)
Sig2.69Sen+4.39Env+3.73Soc+0.48Gov+0.98

Cathay Pacific has partnered with Google to advance research on contrail avoidance and begin testing on ultra-long-haul flights. A trial started in late 2025 targeting more than 100 flights, with over 80 routed for contrail avoidance. Google estimates about a 40% reduction in contrail warming impact, and altitude adjustments on one route drove over half the trial’s total climate impact. Insights are expected to inform broader airline adoption.

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