Tbo,smho And Soh

[baxter702]

Can somebody please tell me what these abbreviations mean TBO, SMHO and SOH?

 

[A/C FIXER]

Baxter:
TBO=Time Between Overhaul, ie, this engine has a TBO of 1500 hours.
SMOH=Since Major Overhaul, Hours since the engine had a major overhaul.
SOH=Since Overhaul, hours since engine had an overhaul/other than major/
STO/STOH=Since Top Overhaul, hours since a top overhaul, ie, just having new or chromed cylinders installed.
SPOH=Since Propeller Overhaul, hours since the the prop was overhauled.
Hope this helps you out. 🙂