After 30 years of service and more than 50 million flight hours, a properly maintained T53 engine meets today's most rigorous reliability standards. More than 19,000 engines power the Bell UH-1H Huey, Huey II and AH-1F Cobra, Kaman K-Max and Fuji Bell 205B helicopters.

Time between overhaul (TBO) has been increased to 5,000 hours*
Demonstrated MTBUER > 4,000 hours

AOG Hot Line / International # 602-365-3099
AOG Hot Line / Domestic # 1-800-601-3099