These conditions can affect multiple or all pitot probes
installed on an aircraft and can lead to unreliable airspeed measurements.
The point pitot probe experiments indicated excellent agreement with the predicted fully developed flow profile of Nikuradse's Log-Law equation.
The averaging pitot probe experiments indicated excellent agreement with the predicted fully developed profile under "perturbed" flow conditions.
Ohio-based Aero-Instruments has received US FAA parts manufacturer approval (PMA) to market retrofit pitot probes
for a large variety of Airbus aircraft, giving operators another provider to choose from along with Thales and Goodrich for the devices.
The directive, which is at the proposal stage, says that all Airbus A330s and A340s fitted with pitot probes
made by French firm Thales must be fitted with at least two probes from the US manufacturer Goodrich, allowing a maximum of one Thales probe to remain fitted to the aircraft.
(NYSE: UTX), has announced at the National Business Aviation Association's annual exhibition that it has been selected by Textron Aviation to provide air data Pitot probes
and support services for the new super-midsize Cessna Citation Longitude program.
Operators of Airbus A330s and A340s will have a four-month window to replace Thales Avionics pitot probes
once Europe's safety regulator firms up the proposal for an airworthiness directive it published last week.
The airline ordered replacement of the pitot probes
across its Airbus fleet with the newest generation sensors.
Air France has disclosed that it initiated a program to change pitot probes
on its Airbus A330/340 fleet five weeks before the loss of flight AF447, after concluding that a new version could offer improved performance in high-altitude icing conditions.