Aviation Safety Reporting System - Offers U.S aviation safety information and incident reporting service for pilots in the United States.
https://asrs.arc.nasa.gov/
Aviation.Org - An aviation site that offers information on pilot performance and aviation safety management.
https://aviation.org/
Federal Aviation Administration (FAA) - The official website of the Federal Aviation Administration (FAA) which is responsible for the safety of civil aviation.
https://www.faa.gov/