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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: Context, Objectives, Deliverables
EASA HighIWC (EASA.2011.OP.28)
Presented by
Airbus - CNRS (LATMOS/BOM – LaMP – SAFIRE)
December 2012
EASA.2011.OP.28
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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: CONTEXT
December 2012EASA.2011.OP.28 Page 2
• Commercial aircraft have been experiencing in-service events (jet engine power-loss events observed in tropical convection) while flying in the vicinity of deep convective clouds since at least the early 1990s.
• In 2004, an industry working group was established to look at the effects of supercooled large droplets and mixed phase icing conditions on engines.
• The areas of aircraft that have shown sensitivity to ice particles icing threat are heated probes and engines. Ice accretion will depend on surface temperature, Liquid Water Content, Ice Water Content, air speed, etc….
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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: CONTEXT
December 2012EASA.2011.OP.28 Page 3
Notices NPRM10-10 and NPA11/03 & NPA11/04 have been issued by FAA on June 2010 and EASA on March 2011, respectively, in order to propose a new regulation to cover ice particle threat to aircraft.
FAR33 Appendix D (Ice Crystals & Mixed Phase Clouds):
proposed regulations envelope (Altitude vs. Temperature)
proposed regulations envelope (TWC vs. Altitude)
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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: CONTEXT
December 2012EASA.2011.OP.28 Page 4
International HIWC field experiment originally planned in Jan.-Mar. 2013 (then delayed by one year) out of Darwin. Use of highly instrumented G-II for in situ cloud µF of HighIWC convective clouds. G-II with 100 flight hours planned.
HAIC (European L2 project) will join HIWC bringing F20 to Darwin equipped with multi-beam 95GHz Doppler cloud radar and a sophisticated state-of-the-art in situ µF package, flying at an additional flight level to G-II one. HAIC: Funding of transit + 50 flight hours of F20.
EASA-HighIWC contribute to HAIC in funding the scientific and technical preparatory work of HAIC (=analysis of A340 data from 2010 and definition/preparation instrumental payload for Falcon 20).
HAIC and EASA-HighIWC within international approach
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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: OBJECTIVES
December 2012EASA.2011.OP.28 Page 5
(= Notices of proposed rulemaking)
Define and integrate payload of Falcon 20
- EHWG &
Recommendations-
-
HAIC/HIWCInternational F/T Campaign -2014
Airbus F/T Campaign - 2010
EASA-HighIWC
HAIC L2 Project
Assessment & gap
analysis of the
environment proposed in
the NPA 2011-03
(Appendix P)
Validation or Amendment
of Appendix P (or D)
Validate or propose modifications of the mixed phase and glaciated icing environment as defined in App. D & P.
Assess the proposed mixed phase and glaciated icing environment as defined in Appendix D and P in light of the analysis of the test flights conducted by Airbus & Env. Can. (Darwin & Cayenne, 2010).
HAIC and EASA-HighIWC within international approach
NPRM10-10NPA 2011 03 & 04
In-service events
F/T Developement
Plan &ready to fly
aircraft
Data Analysis,Assessment vs. App P
Gap Analysis & Recommendations
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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: OBJECTIVES
December 2012EASA.2011.OP.28 Page 6
The project is structured into 3 work packages:
WP1 Preliminary analysis of the microphysical
properties of the HighIWC regions
using existing airborne in-situ
observations (A-F)
WP3 Management, Reporting & Recommendations (LAMP)
WP2 Falcon 20 Flight Tests Development
Plan (LAMP)
- Falcon 20 Flight Tests Development Plan
Data exchange
- Literature review-Data collection
-Ready to fly aircraft & Demonstration flights
-Assessment of the data against the Appendix P-Gap analysis
-Administration & reporting-Deliverables-Recommendations & Conclusions
... will define & prepare instrumental payload for the Falcon 20 in order to participate to the HIWC / HAIC study.
… will assess the proposed mixed
phase and glaciated icing
environment as defined in
Appendix D & P.
EASA-HighIWC work plan structure
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EASA HighIWC
EASA-HighIWC Final MeetingProject Overview: Deliverables & Milestones Sequencing
December 2012EASA.2011.OP.28 Page 7
M-2
M-1
M1
M2
M3
M4
M5
M6
M7
M8
M9
M10
M11
M12
M13
2011 2012
1st Interimreport
2nd Interimreport
Final report&
Presentation
D3.2
M3 M6 M11
M1.1
EASA-HighIWC
D3.3 & D3.4D3.1
M3.1
KoM
M3.2
Review 1
Airbus F/Tdata
M1.2Literature
survey
M1.3
M3.3
Review 2
M3.4
Review 3
M2.1Falcon 20 Flight
Tests Development Plan
M2.2Ready to fly
aircraft & Demonstration
flights
Assessment& Gap
analysis
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EASA HighIWCDecember 2012
Ice Water Content of clouds at High altitude (EASA HighIWC, EASA.2011.OP.28)
This document and the information contained are EASA HighIWC Contractors’ property and shall not be
copied or disclosed to any third party without EASA HighIWC Contractors’ prior written authorization
Project funded by the European Aviation Safety Agency (EASA)
EASA.2011.OP.28 Page 8