The crew lost Earnings_and_losses their situational awareness after an incorrect approach Arriving into Thessaloniki .

The cause Causation was pilot error after receiving Receiving incorrect airspeed Motion information from one of the pitot tubes , which investigators believe was blocked Hiding_objects by a wasp nest built Building inside it .

If the elevator trim tab had not been set Being_in_operation for takeoff this would have been exacerbated Cause_change_of_position_on_a_scale by the incorrect position of the centre of gravity and the aircraft would have been uncontrollable .

Yousef boarded Self_motion the flight under the fake Italian name `` Armaldo Forlani '' , an incorrect spelling of the name of the Italian legislator Arnaldo Forlani .

Due to incorrect automatic direction finder ( ADF ) readings caused Causation by the thunderstorm , the plane strayed Motion 15 km ( 9.3 mi ) west from the procedural let-down track .

Prior to takeoff from Marabá , the crew entered Arriving an incorrect heading into the flight computer , flying Self_motion deep into a remote area of the Amazon jungle .