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2009
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January 24: Arrival of HALO in Oberpfaffenhofen
February / March: Ground vibration test of HALO
August: test integration of user instrumentation
August to November: flight testing
December: Maintenance
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2008
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Flight test at Gulfstream
Interior & completion
FAA & LBA certification
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2007
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Modification of aircraft at RUAG
December: ferry aircraft to Gulfstream
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2006
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Wing Modification at GAC
April: Delivery of the aircraft to RUAG at Oberpfaffenhofen,
start modification of aircraft at RUAG
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2005
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February: contract award to Gulfstream
November: completion of the green aircraft
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2004
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September: The Federal Ministry of Education and Research approves the HALO project
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2003
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April: Release of request for proposal for the HALO aircraft
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2002
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July: Statement of the Wissenschaftsrat (WR) on large scale facilities for basic scientific research - WR recommends the funding of HALO
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2001
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February: submission of the HALO proposal to the Federal Ministry of Education and Research
Evaluation of the proposal by the Wissenschaftsrat (Advisory Body for Science Policy)
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2000
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May: initiation of the HALO project by a meeting of the german atmospheric science community
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