<h1>Airline chairman apologizes after plane crash kills over 270 people, cites clean maintenance record</h1> The chairman of a major airline group apologized following a plane crash that killed over 270 people when a London-bound aircraft crashed into a medical complex shortly after takeoff. The chairman expressed deep regret and committed to supporting victims' families. He stated the aircraft had a clean maintenance history, with one engine recently replaced and both pilots being highly experienced professionals. Investigation findings are pending, with speculation about various causes including human error and mechanical issues. The chairman defended the airline's safety record and maintenance partnerships while acknowledging communication issues regarding subsequent flight cancellations and delays.