99 according to the RFA element of the RN website, so that means you must join before you get your telegram off HM The Boss. Role Finder | RFA Eligibility
It must be hard to have to learn subjects as complex as navigation/engineering at 50 unless they have prior experiance.
A 60 year old having to fight fires in the engine room- isn't that what national firefighters are striking about at the minute being to old and potentially dangerous?
As I said fair play to them; I guess if they pass all the required tests then thats all thats counts.