AIRCRAFT PERFORMANCE
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Introduction

Our Aircraft Performance team has been working on many different aircraft projects as performance engineers, certification experts and software development engineers.

We have experience from both turbojet as well as turboprop aircraft programs.

Whether you need flight-physical calculation models according to the appropriate requirements (FAR/CS) or Take off, En route and Landing optimisation programs or tools for Flight Manual Production (AFM, FCOM) or even a Computerised Airplane Flight Manual (CAFM) we can develop the solution you need.

We provide Certification Support, Methodology Development as well as Training Courses.

Certification Support

Aircraft Performance certification according to CS/FAR 25 (23/235)

Subpart B

• Engine thrust/power requirements for aircraft performance
• Take off and landing field performance
• Single engine climb performance; take off, en route and landing
• Reference speeds
• Flight test data analysis
• Reduced Take off Thrust/Power

Subpart G

• Performance data synthesis and expansion
• Performance presentation in aircraft manuals (AFM, FCOM)
• Computerised Aircraft Flight Manual

Methodology

1st principles methodologies (calculations based on physical equations, e.g. force equilibrium and data for drag and thrust) in the various stages of aircraft development

• Force equations for quasi-stationary equilibrium
• Integration methods
• Aerodynamic models
• Engine modelling
• Aircraft systems, including braking system, ground spoilers, thrust reversers etc.
• Aircraft geometry and center of gravity

2nd principles methodologies (calculations based on pre-calculated performance data, typically by interpolation in data tables).

• Interpolation methods
• Performance databases, optimized for storage size and fast access

S/W systems for production of performance manuals

• Automating of production
• Quality assurance
• Data and S/W revision control

Training Courses

We can provide Aircraft Performance courses including:

• CS/FAR 25 certification requirements
• Calculation of aircraft performance for all flight phases; take-off, landing, en-route, all engines operating and one engine failed
• Performance Manuals (AFM, AOM, FCOM); content, how to produce and how to use
• Performance calculation S/W, 1st and 2nd principles, for internal and customer use

We tailor these courses to your specific requirements.