Commercial Pilot License (CPL) Practice Exam 2026 - Free Commercial Pilot License Practice Questions and Study Guide

In the context of the National Transportation Safety Board (NTSB), a serious injury is typically defined as one that requires hospitalization for more than 48 hours, among other criteria. Therefore, hospitalization for less than 48 hours does not meet the threshold established by the NTSB for a serious injury, as it implies a less severe level of injury that does not necessitate extensive medical treatment.

Other types of injuries specified in the options, such as a fractured bone, severe burns covering a significant percentage of the body, and severe hemorrhage, all involve conditions that are more likely to require extended medical care and would therefore be classified as serious injuries. Fractured bones can lead to complications or surgeries that necessitate longer hospitalization. Severe burns and severe hemorrhage also pose significant health risks that generally require substantial medical intervention and monitoring, aligning them with the serious injury classification by the NTSB.