In Type Certificate Data Sheets, what does the designation 4PCLM refer to?

The designation 4PCLM in Type Certificate Data Sheets refers to "4 passenger and crew, closed, landplane, monoplane." This classification provides specific information about the aircraft's configuration and intended use. The "4" indicates that the aircraft has a seating capacity for four individuals, which typically includes passengers and potentially crew members.

The term "closed" designates that the cabin is fully enclosed, as opposed to open-cockpit designs. "Landplane" signifies that the aircraft is designed primarily for operations on land, as opposed to seaplanes or amphibious aircraft. The final part of the designation, "monoplane," describes the aircraft's wing configuration, indicating that it has a single main wing structure.

Understanding the components of such designations is crucial for interpreting Type Certificate Data Sheets, as it allows for clear communication regarding an aircraft's design characteristics, operational environment, and capacity. This information is essential for maintenance, operation, and regulatory compliance.