Singapore Airlines' jumbo A380 aircraft rolled back at the Delhi airport after parking on Monday, an incident in which a cabin crew suffered a minor bruise, and later, the plane was towed back safely to its designated parking bay. The aircraft was operating flight SQ406 from Singapore to the national capital on November 25. In a statement on Wednesday, an airline spokesperson said the plane "experienced a rollback after parking" at the airport, and the pilot immediately applied the brakes to halt the aircraft. Generally, after a plane lands and reaches the parking bay, the pilot first applies the toe brakes and then the parking brakes before switching off the engine. Later, the ground staff keep chocks on the front and back sides of the aircraft wheels. Once that process is complete, it is communicated to the pilot, who then releases the parking brakes. Chocks are broadly wedges that are used to ensure there is no movement of wheels. Also, some parking bays might have a slight slo