TPE331 Turboprop Engine
Overview
Originally designed in 1959 and certified in 1965, the TPE331 was our first turboprop engine. Developed for multiple applications within military, regional airline, agricultural and general aviation aircraft, the series now includes 18 engine models and 106 configurations.
Today, with more than 13,000 engines delivered and more than 122 million hours of flight time, the TPE331 is one of the most reliable and proven turboprop engines in the world.
Pilots flying TPE331-powered aircraft enjoy exceptional horsepower response and best-in-class fuel economy. Additional TPE331 benefits include quick throttle response for shorter take-offs, good power-to-weight ratio and long maintenance intervals.
Today, with more than 13,000 engines delivered and more than 122 million hours of flight time, the TPE331 is one of the most reliable and proven turboprop engines in the world.
Pilots flying TPE331-powered aircraft enjoy exceptional horsepower response and best-in-class fuel economy. Additional TPE331 benefits include quick throttle response for shorter take-offs, good power-to-weight ratio and long maintenance intervals.
Specifications
Key Differentiators
Features & Benefits
- Excellent power-to-weight ratio
- Exceptional horsepower response
- Faster climb and cruising speed
- Quicker throttle response for shorter takeoffs
Key Savings
- Improved fuel efficiency
- Larger operating range
- Reduced fuel burn
Dimensions
Weight
- 385 lb
Performance Data
(Demonstrated) Operational Limits
- SL–45,000 ft. No minimum O.A.T to + 55ºC
Usually Bought With
- Aluminum Gearbox
- Water Methanol Augmentation Manifold
Pressure Ratio
- 10.55
Oil
- Mil-L-23699B, Mil-L-7808, Type I/ Type II
Fuel
- Jet A, Jet B, Jet A-1, JP-8, JP-1, JP-4, JP-5, JP8+100
Electrical Configuration
- 24 vdc,16.2 amp (max)
Compressor Bleed
- high pressure 10% (max)
Components
- Air Speed and Ambient Pressure Ratio Transducer
- Beta-Pressure Sensing Switch
- Control System
- Dual Continuous Ignition System
- Fire-Shield Adapter
- Fuel Anti-ice Heating System
- Fuel Pump
- Fuel Purge System
- Fuel Shutoff Valve
- Lubrication System
- Negative-Torque-Sensing (NTS) System
- Oil Temperature-Sensing Bulb
- Propeller Flange
- Propeller Governor
- Propeller-Pitch Control
- Torque and Temperature Limiting
Airflow
- 7.7lb/sec
(Demonstrated) Start Capability
- SL–30,000 ft. No minimum O.A.T. to + 55ºC
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