Classifications of Mishaps:
Class A Mishap. Fatality or permanent total disability that resulted from a reportable injury or illness; or, a total cost of damages for DoD or non-DoD property of $2.5 million or more.
Class B Mishap. Permanent partial disability that resulted from a reportable injury or illness; hospitalization for inpatient care of three or more personnel as a result of a single mishap (i.e., for mishap reporting purposes only, inpatient care does not include individuals hospitalized for observation, diagnostic or administrative purposes that were treated and released); or, a total cost of damages for DoD or non-DoD property of $600,000 or more, but less than $2.5 million.
Class C Mishap. Nonfatal reportable injury or illness that resulted in the loss of one or more days away from work, not including the day or shift that the mishap occurred (i.e., a Lost-Time Case); or, a total cost of damages for DoD or non-DoD property of $60,000 or more, but less than $600,000.
Class D Mishap. A reportable event in which the resulting total cost of damage to DoD or non-DoD property is $25,000 or more, but less than $60,000; or, an on-duty injury or illness not otherwise classified as a Class A, B or C mishap (e.g., illness or injury that involves medical treatment beyond first aid, loss of consciousness, light or limited duty for military personnel or restricted work or job transfer for on-duty Navy and Marine Corps civilian employees)