Originally Posted by
JUST-local
If you have had tbo + 20% out of an engine you have had your moneys worth, who said flying would be cheap
The flying school I do a bit of part time teaching at has approval to run the engines in the C 172 S to 3500 hrs (Lycoming TBO is 2000 hrs). To date every engine has made it to 3500 hrs with no issues.
TBO + 20 % hard limit for a commercially maintained engine used regularly, reflects a regulator that hasn't a clue
