To determine the accuracy of the attitude indicator, which instruments should be referenced?

To determine the accuracy of the attitude indicator, referencing the altimeter and heading indicator is essential. The attitude indicator provides the pilot with a visual representation of the aircraft's position relative to the horizon, indicating whether it is climbing, descending, or turning.

The altimeter gives critical altitude information and helps verify that the aircraft is level or correcting for any bank or climb that may affect the attitude display. If the altitude indicated by the altimeter remains constant, it supports the data shown on the attitude indicator regarding level flight.

Simultaneously, the heading indicator is vital for confirming the aircraft's directional orientation. If the heading stays consistent while using the attitude indicator, it validates that the aircraft is maintaining straight and level flight, corroborating the information being displayed.

These two instruments work together to ensure that the readings from the attitude indicator are accurate, providing the necessary checks to confirm correct aircraft orientation in the sky.