| The European Aviation Safety Agency (EASA), | | | | is so narrow that pilots call it 'coffin corner'. Either |
| which is responsible for the European Union’s | | | | 70mph too fast or too slow and a jet can either |
| strategy on aviation safety, has ordered a check | | | | stall or nosedive. |
| into potential defects with Airbus long-haul A330 | | | | Investigators into the Air France flight 447 crash |
| and A340 jets that carry air speed sensors | | | | suspect that the Airbus’ pitot tubes may |
| supplied by U.S. manufacturer Goodrich. | | | | have been affected by weather conditions as it |
| The new checks come only weeks after the | | | | flew from Brazil to France, which could have led |
| EASA restricted the use of alternative parts | | | | to the crash. |
| supplied by French company Thales. | | | | Air France immediately re-fitted the air speed |
| EASA said in a directive that there had been | | | | sensors on its entire fleet of 35 long-haul Air |
| reports of loose fittings on certain Goodrich | | | | France Airbus jets after the Airline’s union |
| sensors, known as pitot probes. If not corrected, | | | | urged pilots not to fly them until the key sensors |
| this could lead to an air leak and false speed | | | | were updated. |
| readings, it said. | | | | In the wake of the flight 447 disaster one Air |
| A pitot is an L-shaped metal tube that juts from | | | | France pilot wrote on an internet forum for airline |
| a plane's forward fuselage and measures airspeed. | | | | professionals: ‘If the pitot tube is unreliable in |
| The devices are susceptible to blockage from | | | | bad weather and at high altitude, the plane |
| water and icing. | | | | becomes an airborne death trap. We need to |
| Air speed sensors are a key safety component | | | | know exactly how fast we are going or the plane |
| of air travel. A fault can lead to incorrect air | | | | will simply fall out of the sky.' |
| speed readings which can jeopardise safety. | | | | Airlines have five days to verify the probes and |
| Sensors need to be ultra-sensitive because the | | | | report their findings to Airbus. |
| safety margin for a plane's speed at high altitude | | | | |