United and the pilots association said they were "disappointed" by the ruling.
The pilots association said the board had unfairly blamed the captain.
The pilots association has credited the pilot exodus to a gap in working conditions between locals and expatriates.
He is a member of the Aircraft Owners and Pilots Association.
The Association was created in 1850 and is a member of the American Pilots Association.
The pilots association said urine tests were of questionable accuracy, but Secretary Burnley defended them.
"We had a choice to make," said Mr. Bill of the pilots association, which is negotiating the marshal issue with the British government.
This was promptly challenged by the Aircraft Owners and Pilots Association.
The Australian Women Pilots Association has established a trophy in her honour.
The tanker had been in touch by radio with the Pilots Association for two hours before the accident, said Captain Fisher.