What call is piped to indicate avast hauling and make fast while also annulling a previously piped order?

The call that indicates "avast hauling" and "make fast," while also annulling a previously piped order, is indeed 'belay.' This term is widely used in naval terminology and refers to the instruction to cease an operation or to cancel a previously issued command. By piping 'belay,' crew members are informed that they should stop what they are currently doing and transition to securing or making fast the lines. This is crucial in situations where clarity and immediate compliance are necessary to ensure safety and proper coordination among the crew.

The other options contain different meanings or applications. For example, 'stand by' typically indicates readiness but does not cancel any previous orders, while 'hook up' usually refers to preparing equipment for use without annulling instructions. 'Pipe down' generally serves as a command to quieten the crew rather than intervening in ongoing tasks or commands. Thus, 'belay' is the most appropriate choice for the context of the question.