Airports operator BAA has promised a 50 million-pound investment at Heathrow to avoid a repeat of December's snow chaos.
It follows a report, commissioned by the company, which accused BAA of a breakdown in communication and lack of "preparedness" for the bad weather.
The Winter Resilience Enquiry Report also said some airlines had failed to comply with rules on compensation and assistance to passengers.
Some 4,000 flights were cancelled during five days of heavy snowfall.
The report, chaired by one of BAA's non-executive directors, transport specialist Professor David Begg, said there was significant room for improvement across the Heathrow operation - from executive decision-making to the responsibilities of ground staff.
The report says:
It follows a report, commissioned by the company, which accused BAA of a breakdown in communication and lack of "preparedness" for the bad weather.
The Winter Resilience Enquiry Report also said some airlines had failed to comply with rules on compensation and assistance to passengers.
Some 4,000 flights were cancelled during five days of heavy snowfall.
The report, chaired by one of BAA's non-executive directors, transport specialist Professor David Begg, said there was significant room for improvement across the Heathrow operation - from executive decision-making to the responsibilities of ground staff.
The report says:
