KLM Cityhopper Flight 433 was a Saab 340B, registered as PH-KSH, which crashed during an emergency landing on 4 April 1994, resulting in the death of 3 occupants, including the captain. Flight 433 was a routine scheduled flight from Amsterdam, the Netherlands, to Cardiff, Wales, United Kingdom. The accident was caused by inadequate pilot training and a faulty sensor, leading to loss of control during go-around.