The aircraft have been grounded at one of Europe's busiest airports, Amsterdam's Schiphol, due to a fault in the tank's flight system.
A problem was discovered around 1
Thousands of passengers are stranded at the airport as only flights with enough fuel are already on board.
Schiphol airport has warned that the interruption could continue overnight.
The company supplies the fuel system, Aircraft Fuel Supply, saying that the fault in the system was not due to the heat, reports the Dutch newspaper De Volkskrant.
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"Fly at Schiphol cannot be filled right now," said the airport in a statement. "Aircraft Fuel Supply … currently has an error in their system. As a result, your flight may be delayed or canceled.
" Schiphol and Aircraft Fuel Supply are working hard to find a solution. It is still unclear how long this will take, but we expect to last long over the evening. We apologize for the inconvenience of travelers and airlines. "
Some 70 aircraft were unable to take off from Schiphol, and passengers were stuck in another 11 new arrivals because there was no port available for disembarkation," says De Volkskrant. .
July is one of the busiest periods for the airport when people fly to the summer vacation.