UPDATE March 23 2011: Bmi is to install new short-haul seating on its A319 and A320 aircraft, along with new carpets, curtains, bulkheads and a “dynamic new lighting system”, by summer 2011. 

bmi operates 11 Airbus A319 aircraft - the smallest in its mainline fleet - across its European and domestic network. They can be configured both for all-economy services and with a separate business cabin.

Note. Seat plan updated according to reader comment - 08/10/08

Bmi has 11 Airbus A319-100 aircraft in its fleet that are configured either as all-economy or a mix of business and economy depending on whether the aircraft is engaged on short haul or mid-haul routes.