Extensive industry experience in all aspects of Stability & Control from preliminary design phase, engineering simulations, through flight test and certification.
Wind Tunnel Testing and Data Analysis
- Test planning
- Data analysis
- Generation of aerodynamic database and build up
Configuration Definition and Control System Design
- Empennage tail-sizing
- Control surface sizing, deflection limits, and gearing schedules
- Schedules for speed and/or Mach trim
Longitudinal Stability Analysis
- Static stability
- Dynamic stability
- Maneuver stability
Take-Off Control Analysis
- Normal takeoff (all engines)
- Miss-trim takeoff (all engines)
- Minimum unstick speed
- Takeoff with hydraulic or electrical failures
- Takeoff with a longitudinal control surface jam
- Takeoff with other adverse failures
Longitudinal Maneuver Control Analysis
- Stick force per G
- Stick force per Knot
- Maximum elevator and load factor capability
- Maneuvering at trim limits
- Maneuvering after high speed upsets
- Configuration changes (flight characteristics and stick forces)
- Elevator control required for stall and recovery
Longitudinal Trim Analysis
- Level flight trims
- Takeoff trim settings
- Stabilizer trim rates
Miss-trim Capability Analysis
- Stabilizer versus elevator trades
- Stabilizer miss-trim capability
Landing Control Analysis
- Landing pitch response
- Glideslope control requirements
- Landing flare
- Stall recovery
- Landing go-around
Flight Control Analysis in Icing Conditions
- Ice protection system operation general requirements
- Handling qualities and controllability
- Maneuver margin and stall alert
Lateral Stability Analysis
- Static lateral stability
- Dynamic lateral stability
- Stall characteristics
Lateral Control Power Analysis
- Static balance
- Roll response
- Lateral control system
- Lateral trim
Directional Stability Analysis
- Static directional stability
- Dynamic stability
- Turn coordination
Directional Control Power Analysis
- Minimum Control Speed Air (VMCA)
- Minimum Control Speed During Approach and Landing (VMCL)
- Minimum Control Speed Ground (VMCG)
- Controllability following engine failure
- Crosswind control analysis
- System performance with system failure
- Directional trim
Stability & Control Analysis – Other Items
- Mode changes
- Wind shear penetration and recovery
- Secondary flight controls (e.g. flaps, slats)
- FHA analysis
- Control surface hard overs, slow overs, and oscillatory failure analysis
- Special conditions
