 It also developed third-party de Havilland Canada Dash 7 and McDonnell Douglas MD-80 maintenance capabilities, as a result of which Lasham began to specialise in the maintenance of all Boeing narrow-bodied aircraft types.Eventually, Dan-Air Engineering became the second biggest employer at Manchester Airport (after the airport authority).Dan-Air had its entire 17-strong One-Eleven fleet hush-kitted at Dan-Air Engineering's Manchester base by the end of 1985.