Pressure Altitude System Accuracy

In plain language

The altitude reading shown to the pilot from the pressure sensor must be accurate to within 30 feet.

Requirement as structured

CAAS guidance states that the pressure altitude displayed to the pilot must not exceed an overall error of 30 feet throughout the flight envelope.

Original regulatory text

Throughout the flight envelope, the pressure altitude presented to UA pilot, should not exceed an overall error of more than 30 feet.

Applies when

operation

BVLOS