so it would have been easyer back then than in the present day.....
Factors making it easier in the 1960s:
Generally more maneuverable smaller size other shipping
Probably better skilled local sailors
Less rules and regulations
Less crowded and controlled shores...
Factors making it harder in the 1960s:
Less reliable radio control and motors
No high-tech model features or materials
Fewer communications facilities for yourself or authorities
Worse weather and shipping movement prediction
Fewer safety facilities....