ve spent time supporting the investigation and reviewing some of the surrounding circumstances, and we s operations, maintenance logs, airport weather conditions, and the plane Amazon says it has suspended its partnership with 21 Air after one of the cargo carrier's planes careened off a Miami runway last week and killed five people (Copyright 2026 The Associated Press. " Based in North Carolina, 21 Air had been transporting packages for Amazon since 2024. Investigators with the National Transportation Safety Board are expected to review 21 Air's operations, maintenance logs, airport weather conditions, and the plane's ownership history.