The Alizé was a low-wing monoplane of conventional configuration. It had a CSF radar system with a retractable antenna dome in its belly. The cockpit accommodated a crew of three, including pilot, radar operator, and sensor operator. The pilot was seated in front on the right, the radar operator in front on the left, and the sensor operator sat sideways behind them. The landing gear was of tricycle configuration, with the main gear retracting backwards into nacelles in the wings. The main gear had dual wheels, and the front part of the nacelles accommodated sonobuoys. The Alizé had a yoke-style arresting hook.
The internal weapons bay could accommodate a homing torpedo or depth charges, and underwing stores pylons could carry bombs, depth charges, rockets, or missiles. Typical underwing stores included 68 mm (2.68 in) rocket pods or AS.12 wire-guided antiship missiles.