With a health warning of memory being 54 yrs old ..... Memory says that UK Air Law exam gave the delightfully ambiguous rules that ..
[a] Marshaller's signals must be obeyed .
{b] Even when being marshalled , Captain is responsible for collision avoidance .
Still with health warning , 30-40 yrs ago a pilot was prosecuted for not obeying a marshaller at LBA , Leeds a/p.
rgds condor .