3rd ALIAS Conference Presentation

2. ACAS X Test Application
Experience as pilot expert
in the ‚User Group‘

3. ‚Pilot Expert‘ - Background
Christian Denke
• Captain Boeing 747-400 (ret.)
Lufthansa German Airlines

4. ‚Pilot Expert‘ - Background
• Pilot association representative
Global IFALPA / European ECA / Germany VC
• Role of Collision Avoidance
ICAO FANS / ATMCP / SASP > OCD / PANS-OPS
• ACAS X
SESAR P 4.8.2 / 4.8.3 > 4.8.1 ASNET

5. ACAS X ‘Expert User Group’ - Expectations
… support the development of
the ‘Legal Case’ methodology …
which is supposed to offer
• a structured and standard process
• for proactive identification and management
of liability issues
• early in the design process
of automated systems

6. ACAS X ‘Expert User Group’ - Experiences
… the development of
the ‘Legal Case’ methodology
turned out to be:
• A challenging undertaking
• Well supported by the legal experts
• Discussion / commenting by email / webex not
as effective as face-to-face meetings

7. ACAS X ‘Expert User Group’ – some detail
• Issues discussed
which might affect design / development
– “Prescriptive Design” vs.
Performance Requirements
– Use of uncertified ADS-B data
– Display of RA to air traffic controller
• Goal
– Determine choice of solutions

8. ACAS X ‘Expert User Group’ – some detail
• Issues discussed
which might affect design / development
– “Prescriptive Design” vs.
Performance Requirements
– Use of uncertified ADS-B data
– Display of RA to air traffic controller
• Goal
– Determine choice of solutions
• Effect in extremis: STOP of development

9. ACAS X ‘Expert User Group’ - Conclusion
The ‘Legal Case’ methodology offers …
• a structured and standard process

10. ACAS X ‘Expert User Group’ - Conclusion
The ‘Legal Case’ methodology offers …
• a structured process a
• a standard process ?

11. ACAS X ‘Expert User Group’ - Conclusion
The ‘Legal Case’ methodology offers …
• a structured aand standard (?) process
• for proactive identification and management
of liability issues

12. ACAS X ‘Expert User Group’ - Conclusion
The ‘Legal Case’ methodology offers …
• a structured aand standard (?) process
 for proactive identification a
 for proactive management (?)
of liability issues

13. ACAS X ‘Expert User Group’ - Conclusion
My personal concern:
We need to prevent that
the ‘Legal Case’ results in a
STOP of development
of safety nets
because of a perceived
danger of liability / litigation
Thank You
Christian Denke
Captain B747-400 (ret.)