Why do people always complicate simple things.......? If an aircraft meets the criteria for and the traffic situation permits a visual approach, then clear it for a visual approach. Simple!!
Helen
I agree but in my example, the a/c didn't fully meet the requirement however there is sometimes the possibility of giving an unrestricted descent
or unrestricted headings. The a/c appreciate it or they wouldn't take advantage of it.
A lot depends on your location and it is easy to try and apply a procedure to your place of work and state it doesn't work with your traffic/airspace but not everywhere is the same.
Regarding comms failure and terrain clearance etc, I work on an island so there is no terrain apart from the airport to worry about. There is also the caveat that reasonable assurance exists that it can be completed. If I have any indication, such as reports from pilots or ATCOs that there may be an issue then the clearance isn't issued-simples