 The end of a number of Ministry of Defence contracts in 1966 saw the airline with surplus aircraft and two Britannias were sold to Air Spain.The simultaneous arrival at Glasgow of BEA's first Comet 4B revenue service and a British Eagle BAC One-Eleven proving flight from Heathrow on 2 May 1966 coincided with the opening of the city's new Abbotsinch Airport.This event was followed by British Eagle's first Heathrow—Glasgow One-Eleven revenue service on 9 May, making it the second British independent airline after BUA to operate scheduled jet services on domestic trunk routes.