1. In 1999 the state installed an automated de-icing system on the bridge. 2. The crash prompted modifications to Air Florida's pilot training regarding anti-ice systems . 3. According to the procedures, the engine anti-ice system should be activated. 4. They were also modifying eight customer 500s with upgraded avionics and de-icing systems . 5. Avions de Transport Regional, the plane's European manufacturer, defended its present de-icing system . 6. The crew had not switched on the aircraft's anti-ice systems , the report said. 7. De-icing systems were also installed in the cabin and tailplane for high altitude operations. 8. All existing planes have been modified and new planes include the new de-icing systems . 9. They also feature the ICE system on a LCD screen. 10. To prevent this, some turbines are equipped with de-icing system .
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