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Certificatie van glazen cockpits

Certificatie van glazen cockpits. Peter Broos en Ron van de Leijgraaf. Overzicht. Introductie Avionics certificatie Flight certificatie Enkele slot opmerkingen. Inleiding. Toename van geïntegreerde cockpit systemen in commuter aircraft en general aviation

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Certificatie van glazen cockpits

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  1. Certificatie van glazen cockpits Peter Broos en Ron van de Leijgraaf

  2. Overzicht • Introductie • Avionics certificatie • Flight certificatie • Enkele slot opmerkingen

  3. Inleiding • Toename van geïntegreerde cockpit systemen in commuteraircraft en generalaviation • Tot voor kort dergelijke systemen alleen bij transportvliegtuigen • Technische eisen moeten aangepast worden • Eisen uit CS 25 naar CS 23

  4. Avionica certificatie • Een dergelijke cockpit installatie is een complex systeem • Tot voor kort dergelijke systemen niet in generalaviation • Belangrijkste set van eisen: • Systeem moet doen waar het voor ontworpen is (xx.1301) • Faalkans van het systeem moet omgekeerd evenredig zijn met de ernst van de gevolgen van het falen (xx.1309) • Detail eisen voor componenten • Eisen ‘lenen’ van large transport aircraft (bijv. HMI)

  5. IVW - EASA Flight Test EASA Flight Test Team • Test Pilot • Flight Test Engineer Responsibilities • Handling • Performance • Human Factors

  6. Recent Certification projects CS 25 Large Aeroplanes • Boeing 747-8 • Gulfstream G 280 CS 23 Small Aeroplanes • Cessna Citation Mustang • Citation Proline 21 • Eclipse 500

  7. Eclipse 500 Avio NG Main features • Three Display Cockpit • Three Multi Function Displays • Bezel Button Control • Dual (Redundant) Flight Management Systems (FMS) • Auto Throttles • Synthetic Vision • Enhanced Vision

  8. Cessna Citation Mustang Garmin G1000 Main features • Three Display Cockpit • Dual TFT LCD Control Display Units Primary Flight Displays • Single TFT LCD Control Display Multi-Function Display • Single Remote Flight Management System • Control keyboard • Three Axis Automatic Flight Control System

  9. Gulfstream G280 Rockwell Collins Proline Fusion Main Features • Seven Display Cockpit • Three Multi Function Displays with four individual configurable windows on each display • Dual Standby MFD • Dual Control Display Units • Dual Multi Function Controller • Dual Fail-active 3–axis Autopilot • Auto Throttles • Optional HUD, EVS and SVS

  10. What is “new”? • Highly Integrated systems • Loads of functionality • New Crew interfaces • Lots of Gadgets • Many different ways to use • Complex failure modes Hence: • No simple Evaluation

  11. Human Factors • Most Manufacturers believe they are on top of the HF subject • The common opinion is that the HF subject is sufficiently covered during the design process • Very few manufacturers approach the HF subject in a structured manner • Changing this attitude still is a big issue on the side of the certification authorities

  12. Workload (1) CS 25.1523 Minimum Flight Crew To determine the workload the following needs to be representative: • Test Crews • Test conditions • Flight Profiles • Procedures

  13. Workload (2) Results • Workload measures • Success Criteria • Risk Assessment

  14. Crew Error (1) • All Systems are allowed to fail according to a certain probability (avionics) • In this case the pilot needs to solve the problem by correctly executing the appropriate procedures • Even if the aircraft is on fire, or the battery life is just sufficient to operate the aircraft for half an hour including engine control at FL 410, the pilot is not assumed to make an error using a complex procedure.

  15. Crew Error (2) Goal of HF proces • Identification of potential hazardous conditions resulting from the use of any new and novel flight deck equipment, or proneness to crew error per CS 25.1302 • CS 25.1302 AMC 25.1302 • Installed Systems and Equipment for Use by the Flight Crew • TABLE OF CONTENT • 1. Purpose • 2. Background • 3. Scope and Assumptions • 4. Certification Planning • 5. Design Considerations and Guidance • 6. Means of Compliance

  16. Testing • mock-ups, • part-task simulations • Avionic Benches • Full simulations, • In-flight evaluations

  17. Tot slot • Glazen cockpit is een complex systeem • Vraagt om vergelijkbare certificatie eisen • Opties in het systeem lijken eindeloos • Groot risico hiervan is dat vlieger ‘de weg kwijt raakt in het systeem’

  18. Vragen?

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