WWW, the airport will not grind to a halt. BA are not the sole operators at LHR, only at T5. BA will not grind to a halt, they have had plenty of time to plan for a BASSA strike, sure it will take a day or two for everything to run smoothly, but so what? By then the ever increasing number of cabin crew coming in to work will allow the volunteers back to their daytime jobs. By the end of day 4 or 5 BASSA will be part of history along with the NUM.