# Aviation > US civil aviation safety and certification: FAA regulations under 14 CFR governing pilot certification, aircraft airworthiness, and operations; Airman Certification Standards for pilot testing; NTSB accident and incident investigation reports; and FAA Advisory Circulars providing compliance guidance — grounded exclusively in FAA.gov, NTSB.gov, and the eCFR. License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Source: MIND (m-i-n-d.ai) Hub: https://www.m-i-n-d.ai/minds/aviation