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Pitot probe design specifications

Issue number: AO-2009-065-SI-01
Who it affects: All owners and operators of Airbus A330/A340 aircraft
Issue owner: European Aviation Safety Agency
Operation affected: Aviation: Other
Background: Investigation Report AO-2009-065
Date: 27 January 2011

Safety issue description

Although the pitot probes fitted to A330/A340 aircraft met relevant design specifications, these specifications were not sufficient to prevent the probes from being obstructed with ice during some types of environmental conditions that the aircraft could encounter.

Proactive Action

Action organisation: European Aviation Safety Agency
Action number: AO-2009-065-NSA-060
Date: 27 January 2011
Action status: Closed

In its second Interim Report on the investigation into the Air France A330-200 accident on 1 June 2009, the French Bureau d’Enquêtes et d’Analyses pour la sécurité de l’aviation civile (BEA) issued the following recommendations to the European Aviation Safety Agency (EASA):

1. undertake studies to determine with appropriate precision the composition of cloud masses at high altitude, and

2. in coordination with the other regulatory authorities, based on the results obtained, modify the certification criteria.

ATSB response:

Given the comprehensive scope of the BEA investigation, there is no need for the ATSB to make any additional recommendations regarding this safety issue.

   
Current issue status: Adequately addressed
Status justification:

Given the comprehensive scope of the BEA investigation, there is no need for the ATSB to make any additional recommendations regarding this safety issue.

 
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Last update 11 February 2014