En recherchant "attitude indicator" sur le Web, vous lisez ceci:
"If the wings are above the horizon bar, the aircraft is in a climb. The upper blue part of the ball represents the sky. The miniature airplane wings (fixed to the case) represent the wings of the aircraft. When in a left turn, the blue portion of the ball will have rolled to the right, as though you were looking at the horizon over the nose of the aircraft."
Trouvez le schéma prenant en compte la totalité de la description ci-dessus: