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UH1H Plus

A High Performance option for the UH-1H
Honeywell T53-L-703 Engine

Honeywell, the manufacturer of the T53 series engines, estimates that the T53 series engine has operated safely and reliably for over 70,000,000 flight hours.

Many authorities believe this to be the most reliable helicopter turbine engine ever developed. The original equipment T53-L-13B at 1400 horsepower, while extremely reliable, has proven to be underpowered at high elevations and hot temperatures.

The upgraded T53-L-703 at 1800 horsepower, solves this problem.

The additional 400 horsepower provides the needed power at high altitudes yet still maintains the extraordinary reliability of the proven T53 engine in the Bell UH-1H Plus.