What is the impact of operating below the required ceiling at Peter Prince Field?

Operating below the required ceiling at Peter Prince Field leads to the prohibition of pattern work primarily because it can significantly compromise safety standards established for flight operations. In aviation, a minimum ceiling is defined to ensure that pilots have adequate visibility and control over their aircraft during takeoffs and landings. When operations fall below this minimum ceiling, it limits pilots' ability to see the runway and any potential obstacles or traffic in the pattern, increasing the risk of accidents.

Due to this heightened risk, airports implement restrictions on operations when weather conditions are not favorable. Specifically, prohibiting pattern work allows for the safety of all aircraft and personnel in the vicinity. Thus, maintaining safe operational limits is crucial for effective air traffic management and minimizing hazards during flight. This is why the correct choice underscores that pattern work is not permitted under such conditions.