My F33A burns around 14 USG per hour at low levels, that is at 65% with a TAS of around 160kts. at 55% the fuel burn drops to around 11-12 per hour.
I must admit, the fuel flow figures for the A36 do seem on the low side, but I dont up to 12 feet that often to confirm it.!
GG
(ps...Mine is for sale at the moment....1850 TTAE 500hrs on engine & prop) email if interested
[email protected]