Old Uns and Licences and medicals
This query about age and hearts was explained to me by my AME when he commented that the current medical would be my last
The issue of a medical is based on a CAA risk assessment taking into account a number of factors
One of those factors is the possibility of unknown/undiscovered problems causing incapacitation
Many of the risk factors can be related to age. The unknown heart defect exists at all ages but the risk of that problem causing incapacitation without warning increases with age
My only experience of a pilot heart problem in forty five years was my young FO at Wick who had a undiscovered congenital problem which showed after a very pleasant meal out. We each had a beer and similar meals except he had union rings with his steak so that's clearly
the answer