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ICAO adopts stricter noise and CO2 standards for new aircraft — noise from 2029, CO2 from 2031

ICAO has adopted tighter international limits on aircraft noise and carbon dioxide emissions for new aircraft, with new noise standards taking effect in 2029 and updated CO2 rules following in 2031. The measures set global environmental certification baselines for future commercial aircraft.

Discovered 2026-03-27T14:24:56.835423-07:00 | 2026-03-27T14:24:56.835423-07:00

Briefing

What Hype is tracking

Establishes binding international environmental baselines with concrete compliance dates (noise: 2029; CO2: 2031) that will shape OEM development priorities and certification schedules.
Forces airlines, lessors and financiers to factor new regulatory compliance dates into fleet planning, orders and asset valuation — accelerating interest in lower-emission and quieter types.
Reinforces regulatory momentum toward greater emissions transparency and consumer-facing rules, complementing moves such as the UK CAA's per-flight carbon labels ([source:996dcdc8-c3ab-4c31-b5a4-d103aa9a306b]) and other recent aviation standards updates ([source:695c9879-01bb-4b75-87f0-1c3b11193468]).

Reported By

Airline Economics aeromorning.com ala.aero CAPA atcnews.org Flying Magazine