A Thomas Cook flight with 223 passengers aboard narrowly averted disaster after a pilot miscalculated the aircraft's weight by 17 tons (34,000 pounds) reports the Daily Mail.
The Airbus A321 was flying from Manchester in the UK to Heraklion in Crete on April 29, Royal Wedding day. The incident was revealed Thursday in an accident report, which stated that the pilot forgot to account for the fuel when calculating the plane's weight for take off.
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http://www.huffingtonpost.com/2011/12/09/pilot-miscalculates-plane-weight_n_1138632.html
Jesse, make a call and sell them a few copies of your app.