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Maintenance Recording By Samrit Ratanachena Mobile 084 3224277 e-mail address samrit.aero@gmail.com. Section 9. Logbooks. Definitions in Log Book. TT = Total Time TIS = Time In Service TSN = Time Since New TSO = Time Since Overhaul TSHSI = Time Since Hot Section Inspection
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Maintenance RecordingBy SamritRatanachenaMobile 084 3224277 e-mail address samrit.aero@gmail.com Section 9
Definitions in Log Book TT = Total Time TIS = Time In Service TSN = Time Since New TSO = Time Since Overhaul TSHSI = Time Since Hot Section Inspection FH = Flight Hour FT = Block Time CSN = Landing Cycle/Engine Cycle Since New CSO = Landing Cycle/Engine Cycle Since Overhaul More & more………………………..