Only HON Miles or also 1.5x status miles?
anyway these F8A0 thing is indeed frustrating. On my standard route to SIN it is very often F8A0 but F sells out very quickly so when I book like a few weeks in advance typically F is already sold out and no chance to end up in F. Same story for business: mostly J9C0 ex ZRH and the plane fills up anyway. My recent tickets were all in J fares (one in C to NRT) and often I only got them with the help of the booking guarantee. And they are not exactly cheap, all of them almost 9k chf. DXB and NRT still OK to buy A fares but SIN and BKK very hard to even find anything below J if not booked months in advance.