PT6A TBO & HSI Service Intervals

 

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PT6A MODEL HSI (hr) TBO (hr)
PT6A-6 1800 3600
PT6A-11 1800 3600
PT6A-11AG 1500 3000
PT6A-15AG 1500 3000
PT6A-20 1800 3600
PT6A-20A 1800 3600
PT6A-21 1800 3600
PT6A-25 1500 3000
PT6A-25A 1500 3000
PT6A-25C 1500 3000
PT6A-27 1800 3600
PT6A-28 1800 3600
PT6A-34 2000 4000
PT6A-34AG 1750 4000
PT6A-34B 1800 3600
PT6A-35 1800 3600
PT6A-36 2000 4000
PT6A-38 1000 2000
PT6A-110 1800 3600
PT6A-112 1800 3600
PT6A-114 1800 3600
PT6A-114A 1800 3600
PT6A-121 1800 3600
PT6A-135 1800 3600
PT6A-135A 1800 3600
PT6A-140 1800 3600
PT6A-140AG 1800 3600
PT6A-41 1250 2500
PT6A-41* 1500 3000
PT6A-41** 1800 3600
PT6A-42 1500 3000
PT6A-42*** 1800 3600
PT6A-42A 1800 3600
PT6A MODEL HSI (hr) TBO (hr)
PT6A-45A 1500 4500
PT6A-45B 1500 4500
PT6A-45R 1500 4500
PT6A-50 1500 5500
PT6A-52 1800 3600
PT6A-60A 1800 3600
PT6A-60AG 1500 3000
PT6A-61 1800 3600
PT6A-62 1500 3000
PT6A-64 1500 3000
PT6A-65AG 1500 3000
PT6A-65AR 2000 6000
PT6A-65B 2000 6000
PT6A-65R 2000 6000
PT6A-66 1500 3000
PT6A-66A 1500 3000
PT6A-66B 1800 3600
PT6A-66D 1500 3000
PT6A-67 1500 3000
PT6A-67A 1500 3000
PT6A-67AF 1500 3000
PT6A-67AG 1500 3000
PT6A-67B 1750 3500
PT6A-67D 2000 6000
PT6A-67F 1500 3000
PT6A-67P 1750 3500
PT6A-67R 2000 6000
PT6A-67T 1500 3000
PT6A-68 2250 4500
PT6A-68B 2250 4500
PT6A-68C 2250 4500
PT6A-68D 2250 4500

 
 
* POST-SB3075, POST-SB3089, POST-SB3097, POST-SB3360
** POST-SB3089, POST-SB3097, POST-SB3360
*** POST-SB3360

This information is for informational purposes only and ATS makes no representations about the accuracy or completeness of these guidelines.

You are encouraged to consult the appropriate Service Bulletins and Engine Maintenance Manuals for detailed recommendations and approvals.