Aircraft Power Systems

Hydro-mechanical Systems

Landing Gear system, actuators

AKKA offers a whole range of services to support aircraft manufacturers and systems suppliers with hydro-mechanical systems engineering: landing gear, actuators and hydraulic systems

AKKA’s expertise in ATA-29/32/27 relies on 20 years experience in supporting majors aeronautics OEMS all along the V cycle from preliminary architecture to certification and in service support covering the following areas :

• Landing gear extension / retraction system
• Braking and steering systems and monitoring systems
• Wheels, tires & brakes (WTB)
• Hydraulics,actuators and equipment relevant to systems
• On-ground and in-flight integration testing
• Flight control actuators (PFCA, THSA)

Landing gear system:

• • R&T project : E-taxiing, wireless temperature sensor, new tire type
  • specification & design
    • functional & operational specification
    • preliminary system, safety & risk analysis
    • system & interface specification
    • V&V strategy plan
  • participation in development and qualification of the BSCS
  • ATA32 equipment modifications
  • mechanical and hydraulic analyses on predominant parts
  • Testing: Verification & Integration
    • Support for test development
    • Preparation of ground & flight tests
    • Ground test execution on simulators & integration benches
    • Flight test follow-up
    • Tests analysis & reports

Flight control actuators:

• EHA/EBHA
• FAL support, MISP, incremental development
• Qualification test reports
• Thermal modeling

In service support:

• In-service incident analysis:
  • ISO / ISRO (In-Service Reportable Occurrence)
  • MISP (Major In-Service Problem)
  • NTO / TA (No Technical Objection / Technical Adaptation)
  • Investigation on AOG (Aircraft On Ground)
• Dedicated studies (Interchangeability / Mixability / Obsolescence, technical publication update, certification dossier)
• Extension of service life of ATA29 and ATA 27 equipment (qualification dossier review, System Safety Assessment review

Electrical systems

AKKA supports aircraft manufacturers, system and equipment suppliers in new developments and in service support addressing a large set of technical needs: analog/digital electronics, power electronics, electro-technical, electro-mechanical, architecture & power distribution, modeling & simulation.

AKKA provides expertise in the following activities:

• R&T: future trends for aircraft electric systems, architecture trade-offs, advanced technologies assessment
• System Architecture: safety analysis, electrical load analysis, protection, control/command, reconfiguration, change management, interface management
• System specification, V&V: strategy plans & process definition, support to system design and test team
• System integration: test design, test procedure specification and test report and analysis
• In-service support: maturity analysis, configuration & modification management, electrical load analysis
• Modeling & Simulation: simulation of complete electro-mechanical chain validated by real tests; large electrical models library.