H135 Flight Perfo is an Airbus application designed to easily and safely compute the EC135 T3 helicopter performance.
The performance is in accordance with either the EC135 T3 (CPDS) Flight Manual or the EC135 T3H Flight Manual, as selected by the user. The performance calculation is based on the flight conditions and the helicopter’s configuration (including optional equipment which affects performance) as set by the user.

The application covers the following performance areas :
- Maximum Takeoff Weight, Maximum Landing Weight
- Hover, Climb, Level flight
- Ceiling
- Best Endurance Speed, Best Range Speed, Maximum Speed
- Fuel Flow, Range, Endurance
- Height-Velocity diagram
- Clear heliport, VTOL
- Human External Cargo operations
- Category A, Category B
- Performance Class 1
- Training mode
- All Engines Operating performance, One Engine Inoperative performance
- Payload-Range.