Sperry Corporation the new automatic pilot. In 1924, following the death of Lawrence on December 13, 1923, the two firms were brought together. The company became Sperry Corporation in 1933. The new corporation was a holding company for a number of smaller entities such as the original Sperry Gyroscope, "Ford Instrument Company", "Intercontinental Aviation, Inc.", and others. The company made advanced aircraft navigation equipment for the market, including the Sperry Gyroscope and the Sperry Radio Direction Finder. Sperry supported the work of a group of Stanford University inventors, led by Russell and Sigurd Varian, who had invented the klystron, and incorporated this
US-Bangla Airlines Flight 211 US-Bangla Airlines Flight 211 US-Bangla Airlines Flight 211 was a scheduled international passenger flight by US-Bangla Airlines from Shahjalal International Airport in Dhaka, Bangladesh to Tribhuvan International Airport in Kathmandu, Nepal. On 12 March 2018, the aircraft serving the flight, a 78-seater Bombardier Dash 8 Q400, crashed on landing, and burst into flames. There were 67 passengers and 4 crew members on board; 52 people died, while 19 survived. This is the deadliest aviation disaster involving a Bangladeshi airline, as well as the deadliest accident involving the Bombardier Dash 8-Q400. The aircraft was a Bombardier Dash 8 Q400 registered S2-AGU.