The term "obstructions" on an IAP Chart refers to what kind of features?

The term "obstructions" on an Instrument Approach Procedure (IAP) chart refers to man-made structures and natural terrain that could pose a hazard to aircraft during the approach and landing phases. These obstructions are indicated on the chart to inform pilots of any features that could potentially interfere with safe flight operations.

In the context of aviation, obstructions typically include buildings, towers, hills, and other geographical features that rise above a specified height. The purpose of highlighting these features is to ensure that pilots maintain situational awareness and adhere to safe altitudes during their approach, allowing for safe navigation around these obstacles.

By identifying and understanding obstructions, pilots can better plan their approach and descent, thus enhancing safety and efficiency in flight operations.