Reviewed September 23, 2026. These references explain regulatory and evidence concepts, not the safety of a specific aircraft. EASA material is European; FAA and NTSB material is U.S. focused. Advisory guidance is distinguished from binding requirements.
- FAA: Advanced Air Mobility ↗
U.S. aircraft and operating oversight for advanced air mobility.
- FAA: How aircraft certification works ↗
Design and production certification are distinct stages.
- FAA: Airworthiness certification ↗
Certification of individual aircraft, including different certificate categories.
- FAA: Airworthiness Directives ↗
Mandatory actions addressing identified unsafe conditions.
- NTSB: Aviation database help ↗
Search scope and the distinction between preliminary, factual and final reports.
- FAA: AC 20-184, installed lithium batteries ↗
Active advisory guidance, not a regulation or approval of a particular propulsion system.
- EASA: Small-category VCA, systems requirements ↗
European reference on systems and failure conditions. Not a U.S. approval.
- FAA: Powered-lift questions and answers ↗
Pilot qualifications and operational context for powered-lift aircraft.
Next scheduled review: December 23, 2026. Please report changed or broken source material through our contact page.