Originally Posted by
EN48
OK - I see where you're headed. The B407 RFM fuel Limitations does state that fuels listed in the RR Operation and Maintenance Manual may also be used in accordance with any RR limitations (but no Irish whiskey there either!)
That is because the use of Irish whiskey is in the
Pilots Operating Manual (though a good Single malt Scotch, or Rye Whiskey also approved)