The retired pilot continued: "It's hard to have the diligence and the dedication to adhere to best practices on every minute of every hour of every day, every week, every month, every year for a decades long aviation career.
Mr Sullenberger, who was behind the yoke of US Airways Flight 1549 on January 15, 2009 when it encountered double engine failure after colliding with a flock of geese after takeoff from New York City's LaGuardia Airport, likened the incident on Wednesday to a row of dominoes being "lined up the wrong way".
Captain Chesley "Sully" Sullenberger, who famously landed a passenger plane on the Hudson River in New York City in 2009, has shared his taken on the tragedy, which happened near Ronald Reagan Washington National Airport.
DC crash: Hero pilot shares terrifying theory on why Washington tragedy happened Flying at night and over water could have been factors in what led to an American Airlines plane colliding with a helicopter in Washington DC, an expert claims.
The helicopter had been on a training exercise when the American Airlines plane had attempted to land at Ronald Reagan Airport, which Mr Sullenberger says has particularly short runways.
