The BAe 146 celebrates twenty-five years of flying on 3 September. On that date in 1981, the prototype BAe 146, series 100 G-SSSH (msn E1001), took to the air from Hatfield. Chief test pilot Mike Goodfellow and Deputy Chief Test Pilot Peter Sedgwick were at the controls. They were accompanied by Assistant Flight Test Manager Roger de Mercado and Senior Instrumentation Engineer Ron Hammond. G-SSSH lifted off at 11:54 BST, returning to land 1:35 later.