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HALO History

This pages lists important milestones and events in HALO’s past, including the scientific missions. 

This page is currently under construction – more content will be added.

Skip to:  HALO under the consortium treaty  |  Early HALO missions & Aircraft building phase  |  Project beginning

HALO under the consortium treaty (since 2016)

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  • November 2025 – February 2026
    NAWDIC Mission, based in Shannon, Ireland
  • July – October
    HALO South Mission, based in Christchurch, New Zealand
  • May 7 – 9
    HALO SPP Status Colloquium in Leipzig
  • December 2024 – April 2025
    ASCCI Mission, based in Oberpfaffenhofen, Germany & Kiruna, Sweden
  • June – November 
    PERCUSION Mission, based in Sal (Cape Verde), Barbados, and Oberpfaffenhofen, Germany
  • November 7-9
    HALO SPP Status Colloquium & Mission planning workshop in Obrepfaffenhofen, Germany
  • October – December
    CAFE-Pacific Mission, based in Cairnes, Australia
  • June – October
    PHILEAS Mission, based in Oberpfaffenhofen (Germany) and Anchorage (USA)
  • January – February
    CAFE-Brazil Mission (phase II), based in Manaus, Brazil
  • September 14 – 15
    HALO SPP Status Colloquium online
  • February – August
    CIRRUS-HL Mission, based in Oberpfaffenhofen
  • February – June
    BLUESKY Misison, based in Oberofaffenhofen
    This mission investigated the impact of closed airspaces during the COVID-19 lockdown phase.
  • December 2019 – February 2020
    EUREC4A Mission, based in Barbados
  • July – December
    SouthTRAC Mission, based in Rio Grande, Argentina
  • October 16 – 18
    HALO SPP Status Colloquium & Mission planning workshop in Oberpfaffenhofen
  • August – October
    WISE Mission, based in Shannon, Ireland
  • May- August
    EMeRGe-EU Mission,  based in Oberpfaffenhofen
  • March 14
    HALO Symposium in Oberpfaffenhofen

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Aircraft building phase and Early HALO missions (2009 - 2015)

  • June – October
    ACRIDICON-CHUVA Mission, based in Manaus, Brazil
  • Febraury – April
    ML-CIRRUS Mission, based in Oberpfaffenhofen, Germany
  • December 203 – January 2014
    NARVAL Mission, based in Oberpfaffenhofen, Germany
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  • October 28
    First HALO flight with operational scientific instruments.
    Aboard HALO were instruments from Forschungszentrum Jülich, the Universities Leipzig, Mainz, and Wuppertal as well as DLR  Oberpfaffenhofen.
    >> See some images in the gallery.
  • October 23
    First test flight of the HALO Techno – Mission.
  • July 28
    HALO – Status, 28. 7. 2010 (download PDF, 2.5 MB)
  • June 2
    Meeting of the HALO Scientific Advisory Committee
  • March 11-12
    Evaluation of the HALO DFG-SPP in Oberpfaffenhofen
  • February 10
    Meeting of the HALO Scientific  Advisory Committee
  • November 26 – January 30,
    2010
    Aircraft maintenance and warranty works at Gulfstream /  Savannah
  • November 17
    Meeting of the HALO board of  trustees in Oberpfaffenhofen
  • November 12/13
    First successful flight testing of the Basic Halo Measurement  and Sensor System including  tower fly by and wing by wing  flight with the Falcon.
    >> See some images in the gallery.
    >> media report (published by DLR; PDF, 0,2 MB)
  • October 13
    Meeting of the HALO Scientific Advisory Committee
  • July 2
    Meeting of the HALO Scientific  Advisory Committee
  • March 10
    Meeting of the HALO Scientific Advisory Committee
  • February –  March
    Ground Vibration Test of HALO in Oberpfaffenhofen
  • January 24
    HALO transfer flight to DLR  Oberpfaffenhofen, Germany
    >> See some images in the gallery.

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Project beginnings (2001 - 2008)

  • December-January
    HALO acceptance at Savannah and transfer to Germany
  • December 4
    Meeting of the HALO board of trustees (Kuratorium) in Oberpfaffenhofen
  • November
    FAA / LBA inspection
  • October 10
     Meeting of the HALO Scientific Advisory Committee
  • September to October
    Exterior Painting
  • July to September
    Interior installation in Savannah
  • June to July
    Flight testing in Savannah
  • July 9
    Topping out ceremony of the HALO hangar
  • May 21
    Meeting of the HALO Scientific Advisory Committee (WLA)
  • April 3
    Laying of the cornerstone of the HALO hangar
  • December 08
    HALO left Oberpfaffenhofen for Savannah / Georgia.
    At Gulfstream the HALO aircraft will be completed, outfitted, painted and certified.
  • November 23
    First meeting of the official HALO Scientific Advisory Committee (WLA)
    First meeting of the HALO board of trustees (Kuratorium)
  • October 8/9
    User Workshop in Oberpfaffenhofen.
  • July 10
    Interior Critical Design Review in Oberpfaffenhofen.
  • June 13
    Next Meeting of the HALO Scientific Advisory Committee.
  • March 31
     Subcontractor for external stores and belly pod selected.
  • March 22
     Workshop on belly pod and usage of belly bod in Oberpfaffenhofen.
  • March 19/20
     Evaluation of the DFG-Schwerpunktprogramm Atmospheric and Earth system research with the research aircraft HALO.
  • March 15
     PMS Workshop in Oberpfaffenhofen.
  • February 5-9
     Critical Design Review for HALO (modifications) in Savannah.
    All essential design criteria are now frozen.
  • November 29-30
    DFG Meeting (SPP 1294) in Frankfurt: Atmospheric and Earth System Research with the „High Altitude and Long Range Research Aircraft“.
  • November 27
    Meeting of the Scientific Advisory Committee in Frankfurt.
  • November 21
    User Workshop in Oberpfaffenhofen: Certification Issues of HALO.
  • October 16-20
    Technical Interface Meeting in Savannah.
  • September 26-27
    Lower Panel Critical Design Review in Oberpfaffenhofen.
  • May 24
    workshop on wing pod issues and PMS probes for HALO in Oberpfaffenhofen
  • May 8-12
    The Preliminary Design Review for HALO  at the Gulfstream Facility in Savannah / USA.
  • April 25
    The arrival of the green HALO aircraft in Oberpfaffenhofen (see Photo Gallery)
    Subsequently the aircraft was modified by RUAG.
  • March 9
    A meeting of the HALO user community took place at the DLR in Cologne.
    The main topic was the  discussion of the agreement  between DLR and partners on  the future operation of HALO  and its administrative and financial aspects.
  • February 22
    Meeting of the HALO Scientific Advisory Committee in Frankfurt.
  • January 17-20
    Manufacturing Review Meeting in Oberpfaffenhofen
  • January 19
    Kick-off meeting of the HALO Virtual Institute in Oberpfaffenhofen.
  • November 7
    Issue of the Cerificate of Airworthiness for the HALO – Aircraft; Gulfstream G 550 S/N 5093
  • November 3
     First flight of the HALO green aircraft
  • September 28-29
    Preliminary Design Review in Oberpfaffenhofen
  • July 18
    Meeting of the HALO Scientific Advisory Committee in  Frankfurt
  • June 2 – 3
    Workshop on inlets for HALO in Leipzig
  • April 19-20
     System Review Meeting with Gulfstream at Savannah
  • March 17
    Meeting of the HALO Scientific Advisory Committee in Oberpfaffenhofen
  • March 16
    The „arrival of the green HALO“ user Workshop in Oberpfaffenhofen: Planning of Scientific Missions with HALO
  • February 16
    Contract Award to Gulfstream Aerospace Corporation: Construction and Modification of the HALO aircraft
  • October 18
    Second HALO user workshop at the MPG in Munich
  • September 13
    The Federal Ministry of Education and Research announces that HALO will be funded
  • February 5
    In a press release, the Federal Ministry of Education and Research announces that HALO will be realized on a medium term
  • November 15
    Science Council recommends realization of HALO
  • October 15 / 16
    First HALO user workshop at the DLR in Oberpfaffenhofen
  • December
    Evaluation of the HALO Proposal by the Science  Council Working Group on Large-Scale Facilities
  • January
    Submission of the Proposal for  HALO to the Federal Ministry  of Education and Research 

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