Morning flight was moved because it was constantly sinking, it sat on a mud berth which was dredged as an experiment due to the mercury levels in the mud. the maintenance on the boat was not worth while and she took up space from which the hire fleet could be run.
as it happens the yard was not viable due to the lack of car park and the hassle of ferrying everything to and from the staithe. the diesel delivery in particular was a worry and we didn't think that the delivery hose over the river could be ignored much longer.
Personally I loved being sent over there to work, the place had a lovely feel to it but it was a way of life more than a business.