What information is contained in the 4790/141 form?

The 4790/141 form, known as the "A-sheet," is a critical document used in naval aviation that provides essential information regarding an aircraft's maintenance status and overall readiness. It serves as a record of maintenance performed on the aircraft, including inspections and alterations. The A-sheet is pivotal for tracking the aircraft's service history, indicating which maintenance actions have been completed and what is still due. Additionally, it facilitates communication between maintenance personnel and flight crews by summarizing key maintenance data, ensuring that all parties have access to the most current and relevant information about the aircraft.

While other forms mentioned, such as the Daily Inspection Report, Hourly Maintenance Checklist, and Aircraft Configuration Record are also important in their own right, they serve different purposes. The Daily Inspection Report focuses on the routine checks performed daily on the aircraft; the Hourly Maintenance Checklist is used for specific maintenance tasks based on the number of flight hours; and the Aircraft Configuration Record logs details about the aircraft's configuration and modifications. The distinction lies in the A-sheet being a comprehensive maintenance record that encapsulates broader maintenance data, which is why it is the correct answer in this context.