# 4AIR

> 4AIR is a global aviation sustainability company that helps aircraft operators, corporations, and aviation stakeholders measure, reduce, and report aviation emissions through sustainability ratings, regulatory compliance, Sustainable Aviation Fuel (SAF) solutions, emissions accounting, and environmental claim verification.

## Website Pages & Resources

- [Sustainable Aviation Fuel (SAF) Solutions | 4AIR](https://www.4air.aero/en-us/sustainable-aviation-fuel)
- [ReFuelEU Aviation Compliance Services | 4AIR](https://www.4air.aero/en-us/refueleu)
- [4AIR Programs for Aviation Sustainability](https://www.4air.aero/en-us/our-programs)
- [CORSIA Aviation Compliance & Reporting | 4AIR](https://www.4air.aero/en-us/corsia)
- [Aviation Regulatory Compliance & Reporting | 4AIR](https://www.4air.aero/en-us/regulatory-compliance)
- [EU ETS & Non-CO2 MRV Aviation Compliance | 4AIR](https://www.4air.aero/en-us/non-co2-mrv)
- [EU, UK and Swiss Emissions Trading Systems | 4AIR](https://www.4air.aero/en-us/eu-uk-swiss-emissions-trading-systems)
- [4AIR Level 2 Silver | Aviation Sustainability](https://www.4air.aero/en-us/emissions-neutral)
- [Aviation Environmental Taxes & Compliance | 4AIR](https://www.4air.aero/en-us/other-taxes)
- [4AIR Level 3 Gold | Aviation Sustainability](https://www.4air.aero/en-us/beyond-neutral)
- [4AIR Level 4 Platinum | Aviation Sustainability](https://www.4air.aero/en-us/climate-champion)
- [Aviation Contrails & Non-CO2 Impacts | 4AIR](https://www.4air.aero/en-us/contrails)
- [4AIR Partners & Customer Stories](https://www.4air.aero/en-us/partners)
- [Aviation Facilities Sustainability Program | 4AIR](https://www.4air.aero/en-us/facilities-neutral)
- [4AIR Level 1 Bronze | Aviation Sustainability](https://www.4air.aero/en-us/carbon-neutral)
- [NBAA Sustainable Flight Department Accreditation | 4AIR](https://www.4air.aero/en-us/nbaa-accreditation-program)
- [Find Sustainable Aviation Fuel: SAF Map | 4AIR](https://www.4air.aero/en-us/saf-map)
- [Aviation Sustainability Advisory Board | 4AIR](https://www.4air.aero/en-us/advisory-board)
- [Contact 4AIR: Aviation Sustainability Services](https://www.4air.aero/en-us/contact)
- [Business Aviation Policy Tracker | 4AIR PolicyWatch](https://www.4air.aero/en-us/policywatch)
- [Voluntary Sustainability Programs | 4AIR](https://www.4air.aero/en-us/voluntary-sustainability-programs)
- [NBAA Accredited Companies Directory | 4AIR](https://www.4air.aero/en-us/directory-of-accredited-companies)
- [NBAA Accreditation Pricing & Application Process | 4AIR](https://www.4air.aero/en-us/overview-pricing)
- [Careers in Aviation Sustainability | 4AIR](https://www.4air.aero/en-us/careers)
- [NBAA Accreditation Resources, Forms & Guides | 4AIR](https://www.4air.aero/en-us/resources)
- [4AIR Privacy Policy](https://www.4air.aero/en-us/privacy)
- [4AIR Website Terms and Conditions](https://www.4air.aero/en-us/gap-terms-and-conditions)
- [4AIR Ratings: Voluntary Aviation Programs](https://www.4air.aero/en-us/ratings-summary)
- [Aviation Sustainability Learning Center | 4AIR](https://www.4air.aero/en-us/learning-center)
- [Flight Department Sustainability Best Practices | 4AIR](https://www.4air.aero/en-us/best-practices)
- [Untitled](https://www.4air.aero/en-us/cookie-policy)
- [About 4AIR: Aviation Sustainability Solutions](https://www.4air.aero/en-us/about-us)
- [Aviation Fuel Carbon Calculator: Jet A & AvGas | 4AIR](https://www.4air.aero/en-us/carbon-calculator)
- [SAF Emissions Reduction Calculator | 4AIR](https://www.4air.aero/en-us/saf-reduction-calculator)
- [Airline Flight Carbon Calculator & Offsets | 4AIR](https://www.4air.aero/en-us/commercial-calculator)
- [Aviation Sustainability Programs: Who 4AIR Serves](https://www.4air.aero/en-us/is-it-for-me)
- [General Aviation Sustainability Program | 4AIR](https://www.4air.aero/en-us/ga-flying)
- [Untitled](https://www.4air.aero/en-us/glossary)

## Whitepapers & Research

- [SAF Configurations under the GHGP AMI Multi-Statement Reporting Structure](https://www.4air.aero/en-us/whitepapers/saf-configurations-under-the-ghgp-ami-multi-statement-reporting-structure)
- [4AIR’s Take: 2025 Year in Review](https://www.4air.aero/en-us/whitepapers/4airs-take-2025-year-in-review)
- [An introduction to everything you need to know about sustainability in aviation.](https://www.4air.aero/en-us/whitepapers/an-introduction-to-everything-you-need-to-know-about-sustainability-in-aviation)
- [Why Offset “Comprehensively”?](https://www.4air.aero/en-us/whitepapers/offset-comprehensively)
- [SAF and CORSIA](https://www.4air.aero/en-us/whitepapers/saf-corsia)
- [How Carbon Allowances differ from Carbon Offsets](https://www.4air.aero/en-us/whitepapers/allowances-vs-offsets)
- [The Carbon Footprint of Corporate Flight Departments: Knowing The Scopes and Ways to Reduce Them](https://www.4air.aero/en-us/whitepapers/the-carbon-footprint-of-corporate-flight-departments)
- [Are You Ready for ReFuelEU?](https://www.4air.aero/en-us/whitepapers/are-you-ready-for-refueleu)
- [Clearing the Air: Opportunities & Hurdles in Electric Aviation](https://www.4air.aero/en-us/whitepapers/clearing-the-air-opportunities-amp-hurdles-in-electric-aviation)
- [2026 Aviation Decarbonization Policy Deep Dive & Outlook](https://www.4air.aero/en-us/whitepapers/2026-aviation-decarbonization-policy-deep-dive-amp-outlook)
- [4AIR’s Take: What Does the “One Big Beautiful Bill” Mean for Aviation Sustainability?](https://www.4air.aero/en-us/whitepapers/what-does-the-one-big-beautiful-bill-mean-for-aviation-sustainabilitynbsp)
- [Understanding France’s 2025 Aviation Solidarity Tax](https://www.4air.aero/en-us/whitepapers/understanding-frances-2025-aviation-solidarity-tax)
- [4AIR’s Take: SAF’s Growth Story—the Facts Behind the Headlines](https://www.4air.aero/en-us/whitepapers/4airs-take-safs-growth-storythe-facts-behind-the-headlinesnbsp)
- [2025 Aviation Decarbonization Policy Deep Dive & Outlook](https://www.4air.aero/en-us/whitepapers/2025-aviation-decarbonization-policy-deep-dive-amp-outlook)
- [Feedstock to Flight: Carbon Accounting During SAF Production](https://www.4air.aero/en-us/whitepapers/feedstock-to-flight-carbon-accounting-during-saf-production)
- [How Multiple SAF Incentives Impact The Green Premium](https://www.4air.aero/en-us/whitepapers/how-multiple-saf-incentives-impact-the-green-premium)
- [Sustainable Aviation Fuel 101](https://www.4air.aero/en-us/whitepapers/sustainable-aviation-fuel-101)
- [Feedstock to Flight: The Importance of Lifecycle Analysis in SAF](https://www.4air.aero/en-us/whitepapers/feedstock-to-flight-saf-lifecycle-analysis)
- [What are Carbon Offsets?](https://www.4air.aero/en-us/whitepapers/what-are-carbon-offsets)
- [Will Carbon Credits be Used When There’s Sustainable Aviation Fuel?](https://www.4air.aero/en-us/whitepapers/will-carbon-credits-be-used-when-theres-sustainable-aviation-fuel)
- [The Opportunity for SAF in the Middle East](https://www.4air.aero/en-us/whitepapers/the-opportunity-for-saf-in-the-middle-east)
- [Sustainable Aviation Fuel - An Introduction](https://www.4air.aero/en-us/whitepapers/sustainable-aviation-fuel-an-introduction)
- [Non-CO2 Emissions and Contrail Footprints in Business Aviation](https://www.4air.aero/en-us/whitepapers/non-co2-emissions-and-contrail-footprints-in-business-aviation)
- [ESG, What Does it Mean for a Flight Department?](https://www.4air.aero/en-us/whitepapers/esg-what-does-it-mean-for-a-flight-department)
- [SEC Reporting Impacts on Business Aviation](https://www.4air.aero/en-us/whitepapers/sec-reporting-impacts-on-business-aviation)
- [2024 Aviation Decarbonization Policy Deep Dive & Outlook](https://www.4air.aero/en-us/whitepapers/2024-aviation-decarbonization-policy-deep-dive-amp-outlook)
- [An Intro to Carbon Sequestration & What it Means for Aviation](https://www.4air.aero/en-us/whitepapers/an-intro-to-carbon-sequestration-what-it-means-for-aviation)
- [Understanding Continuous Descent Operations](https://www.4air.aero/en-us/whitepapers/understanding-continuous-descent-operations)
- [Revolutionizing Aviation: Understanding The Transformative Power of Power-to-Liquid Fuels](https://www.4air.aero/en-us/whitepapers/revolutionizing-aviation-understanding-the-transformative-power-of-power-to-liquid-fuels)
- [Navigating Carbon Offsets: How to tell good offsets from bad offsets](https://www.4air.aero/en-us/whitepapers/navigating-carbon-offsets-how-to-tell-good-offsets-from-bad-offsets)
- [What’s Greenwashing & How to Avoid It?](https://www.4air.aero/en-us/whitepapers/whats-greenwashing-and-how-to-avoid-it)
- [A Brief Introduction To Emissions Trading For Aircraft Operators](https://www.4air.aero/en-us/whitepapers/a-brief-introduction-to-emissions-trading-for-aircraft-operators)
- [Unleaded Avgas: The SAF for Pistons?](https://www.4air.aero/en-us/whitepapers/unleaded-avgas-the-saf-for-pistons)
- [Contrails in 2023: Their Environmental Impact and Emerging Regulations](https://www.4air.aero/en-us/whitepapers/contrails-their-environmental-impact-and-emerging-regulations)
- [The Power of Book and Claim in Aviation Sustainability: An Introduction](https://www.4air.aero/en-us/whitepapers/the-power-of-book-and-claim)

## Press & Media

- [Atlantic Aviation teams with 4AIR for 100% SAF Book & Claim at NBAA-BACE](https://www.4air.aero/en-us/press/atlantic-aviation-teams-with-4air-for-100-saf-book-claim-at-nbaa-bace)
- [Electric flying experience to be opened up to people living with disabilities, as 4AIR partners with Aerobility](https://www.4air.aero/en-us/press/electric-flying-experience-to-be-opened-up-to-people-living-with-disabilitiesnbspnbspas-4air-partners-with-aerobilitynbsp)
- [CADO SAF Registry, 123Carbon, and Assure SAF Registry Collaborate on Interoperability Pilot to Strengthen SAF Attribute Integrity Across Sectors](https://www.4air.aero/en-us/press/cado-saf-registry-123carbon-and-assure-saf-registry-collaborate-on-interoperability-pilot-to-strengthen-saf-attribute-integrity-across-sectors)
- [Aviation Sustainability Leader 4AIR Expands Full-Service Monitoring & Compliance Program to Include 21 New Regulatory Schemes](https://www.4air.aero/en-us/press/aviation-sustainability-leader-4air-expands-full-service-monitoring-amp-compliance-program-to-include-21-new-regulatory-schemes)
- [George J. Priester Aviation Announces Partnership with 4AIR to Support Sustainability in Aviation](https://www.4air.aero/en-us/press/george-j-priester-aviation-announces-partnership-with-4air-to-support-sustainability-in-aviation)
- [4AIR Announces ForeFlight Integration for Simplified Regulatory Compliance](https://www.4air.aero/en-us/press/4air-announces-foreflight-integration-for-simplified-regulatory-compliance)
- [4AIR Partners with the Western University to Support Contrail Research](https://www.4air.aero/en-us/press/4air-partners-western-university-contrails)
- [Technical FAQs: SAF Registry Interoperability Pilot](https://www.4air.aero/en-us/press/technical-faqs-saf-registry-interoperability-pilot)
- [4AIR Celebrates Monumental Milestone: 100+ Worldwide Locations Now Have Sustainable Aviation Fuel Available for Business Aviation Aircraft](https://www.4air.aero/en-us/press/4air-celebrates-monumental-milestone-100-worldwide-locations-now-have-sustainable-aviation-fuel-available-for-business-aviation-aircraft)
- [Mission Aviation Fellowship International's fleet becomes carbon neutral thanks to partnership with Textron Aviation and 4Air](https://www.4air.aero/en-us/press/maf-fleet-carbon-neurtal-textron-4air)
- [4AIR Achieves Several Major Milestones in Aviation Sustainability, Offsetting More Than 6 Million Metric Tons of CO2 Since 2020](https://www.4air.aero/en-us/press/4air-achieves-several-major-milestones-in-aviation-sustainability-offsetting-more-than-6-million-metric-tons-of-co2-since-2020)
- [Victor and 4AIR Voluntarily Publish Contrails Report Disclosing the non-CO2 Impact of On-demand Private Jet Charters](https://www.4air.aero/en-us/press/victor-and-4air-voluntarily-publish-contrails-report-disclosing-the-non-co2-impact-of-on-demand-private-jet-charters)
- [Leon Software integrates with 4AIR to streamline sustainability and emissions reporting](https://www.4air.aero/en-us/press/leon-software-integrates-with-4air-to-streamline-sustainability-and-emissions-reporting)
- [4AIR Automates Sustainability and Regulatory Reporting with New Flight Management Software and Data Integrations](https://www.4air.aero/en-us/press/4air-api-integration)
- [Ten leading global companies join Future Energy Global to cut aviation emissions with pioneering “Book & Claim” SAF pilot scheme](https://www.4air.aero/en-us/press/ten-leading-global-companies-join-feg-pioneering-book-and-claim-saf)
- [ITOCHU concludes successful SAF Environmental Attribute transaction with Future Energy Global](https://www.4air.aero/en-us/press/itochu-concludes-successful-saf-environmental-attribute-transaction-with-future-energy-global)
- [4AIR Launches Sustainability Initiative for General Aviation Making Carbon Offsetting Even More Accessible](https://www.4air.aero/en-us/press/4air-launches-sustainability-initiative-for-general-aviation-making-carbon-offsetting-even-more-accessible)
- [4AIR Achieves Major Milestone in Support of Sustainable Aviation](https://www.4air.aero/en-us/press/4air-achieves-major-milestone-in-support-of-sustainable-aviation)
- [Milestone 4AIR initiative enables pilots of the future to be trained on fully-electric aircraft](https://www.4air.aero/en-us/press/milestone-4air-initiative-enables-pilots-of-the-future-to-be-trained-on-fully-electric-aircraft)
- [IBAC Expands Industry Partner Programme Globally – Welcomes Three New Partners at NBAA-BACE 2023](https://www.4air.aero/en-us/press/ibac-expands-industry-partner-programme-globally-welcomes-three-new-partners-at-nbaa-bace-2023)
- [4AIR Launches Assure SAF Registry to Track and Validate Sustainable Aviation Fuel](https://www.4air.aero/en-us/press/assure-saf-registry)
- [4AIR Awarded Prestigious Recognition by Environment+Energy](https://www.4air.aero/en-us/press/4air-2024-environment-energy-leader-award)
- [4AIR Launches New Online Tool, PolicyWatch, to Track Legislation Affecting Business Aviation](https://www.4air.aero/en-us/press/policywatch)
- [Textron Aviation Announces New SustainableAdvantage Carbon Offset Program For Cessna, Beechcraft And Hawker Owners](https://www.4air.aero/en-us/press/textron-aviation-announces-new-sustainableadvantage-carbon-offset-program-for-cessna-beechcraft-and-hawker-owners)
- [4AIR to Partner with Southwest Airlines to Document Sustainable Aviation Fuel Use](https://www.4air.aero/en-us/press/4air-and-southwest-partner-on-saf-documentation)
- [4AIR featured in centenary project celebrating royal and parliamentary leadership](https://www.4air.aero/en-us/press/4air-to-feature-in-centenary-project-celebrating-royal-and-parliamentary-leadershipnbsp)
- [4AIR Business Aviation Analysis Finds Small Changes to Aircraft Routings Could Reduce Environmental Impact](https://www.4air.aero/en-us/press/4air-2024-contrail-analysis)
- [4AIR Launches Regulatory Monitoring & Compliance Program to Meet National and International Aviation & ESG Reporting Requirements](https://www.4air.aero/en-us/press/4air-launches-regulatory-monitoring-compliance-program)
- [Global Aerospace Partners with 4AIR to Provide Sustainability Services to its General Aviation Clients](https://www.4air.aero/en-us/press/atlantic-aviation-teams-with-4air-for-100-saf-book-claim-at-nbaa-bace-dfn7g)
- [NBAA-BACE To Be Carbon Neutral](https://www.4air.aero/en-us/press/nbaa-bace-carbon-neutral)
- [4AIR Announces Clay Lacy Aviation as Official Rating Partner, Validating Its Facilities as Carbon Neutral and Offsets of Aircraft Carbon Emissions](https://www.4air.aero/en-us/press/4air-announces-clay-lacy-aviation-as-official-rating-partner-validating-its-facilities-as-carbon-neutral-and-offsets-of-aircraft-carbon-emissions)
- [4AIR to Offset Climate-Changing Emissions at Corporate Jet Investor London, Making One of the Industry’s Most Influential Conferences Carbon-Neutral](https://www.4air.aero/en-us/press/4air-to-offset-climate-changing-emissions-at-corporate-jet-investor-london)
- [4AIR Enables 250,000 Carbon-Neutral Flight Hours in First Year to Curb Private Jet Travel’s Impact on Climate Change](https://www.4air.aero/en-us/press/carbon-neutral-flight-hours)
- [4AIR Launches as the First Emissions Reduction Solution Provider Focused Solely on Private Aviation](https://www.4air.aero/en-us/press/4air-launch)
- [4AIR Marks Earth Day by Announcing that Jet Linx Aviation Clients Can Make Their Flight Activity Carbon-Neutral, Offsetting Climate Impacts](https://www.4air.aero/en-us/press/4air-marks-earth-day-by-announcing-that-jet-linx-aviation-clients-can-make-their-flight-activity-carbon-neutral-offsetting-climate-impacts)
- [4AIR Partners with Flexjet to Offset Climate-Changing Emissions from Its Flights in Europe and the United States](https://www.4air.aero/en-us/press/4air-partners-with-flexjet-to-offset-climate-changing-emissions-from-its-flights-in-europe-and-the-united-states)
- [4AIR, Del Monte Aviation and the Monterey Fuel Company Coordinate Sustainable Aviation Fuel Offering at Monterey Regional Airport](https://www.4air.aero/en-us/press/4air-del-monte-aviation-monterey-fuel)
- [4AIR Launches First Interactive Sustainable Aviation Fuel Map for Business Jets](https://www.4air.aero/en-us/press/4air-launches-first-interactive-sustainable-aviation-fuel-map-for-business-jets)
- [4AIR Congratulates Waterloo Institute of Sustainable Aeronautics “Designing the Flight School of the Future” Contest Winners](https://www.4air.aero/en-us/press/44air-congratulates-waterloo-institute-of-sustainable-aeronautics)
- [4AIR to Offset Emissions of Private Jets Flying to St. Moritz for the Snow Polo World Cup](https://www.4air.aero/en-us/press/offset-emissions-private-jets-snow-polo-world-cup)
- [4AIR and NATA Announce First-Ever SAF Delivery Receipt for Business Aviation](https://www.4air.aero/en-us/press/first-ever-saf-delivery-receipt-business-aviation)
- [4AIR Becomes the First Private Aviation Participant in the IATA Aviation Carbon Exchange, Reducing Impact on Climate](https://www.4air.aero/en-us/press/4air-becomes-the-first-private-aviation-participant-in-the-iata-aviation-carbon-exchange-reducing-impact-on-climate)
- [4AIR Announces #FORTHEAIR, Aerial Photograph Appreciation Contest during the month of April to Celebrate Earth Day](https://www.4air.aero/en-us/press/4air-announces-fortheair-aerial-photograph-appreciation-contest-during-the-month-of-april-to-celebrate-earth-day)
- [4AIR Partners with the University of Cambridge’s Aviation Impact Accelerator on Pathways to Net Zero Flight](https://www.4air.aero/en-us/press/aviation-impact-accelerator-partnership)
- [CADO SAF Registry, 123Carbon and Assure SAF Registry Advance Integrity in SAF Markets through Completion of Interoperability Pilot](https://www.4air.aero/en-us/press/assure-saf-registry-advance-integrity-in-saf-markets)

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Generated: 2026-11-03T19:23:03.208Z
For more information, visit: https://www.4air.aero