Which CASREPS message type is submitted no later than 24 hours after the casualty occurs?

• A. Update
• B. Cancellation
• C. Initial
• D. Correction

Answer: (C)

The first CASREP to go out after a casualty occurs is submitted within 24 hours to get timely visibility of the situation. This Initial report provides the first snapshot of what happened, what is affected, where it happened, and the likely impact on operations, so command and maintenance teams can begin assessing urgency, prioritizing repairs, and directing resources. As more information becomes available, subsequent updates refine the details, status, and any revised estimates. If an error is found in a prior report, a Correction is sent to fix the data, and when the casualty is resolved or the condition returns to normal, a Cancellation is issued to stop further reporting. So the 24-hour window specifically applies to delivering that initial snapshot of the casualty.