HALO Gulfstream G 550

HALO during its landing approach
HALO during its landing approach
Image 1/7, Credit: DLR/A. Minikin.

HALO during its landing approach

The high-altitude research aircraft HALO (High Altitude and Long Range Research Aircraft): The modified business jet, a Gulfstream G 550, landed on 21 January 2009 at its home airfield in Oberpfaffenhofen.

HALO in flight
HALO in flight
Image 2/7, Credit: Aero-Art Frank Herzog

HALO in flight

31 research institutes are involved in the HALO project.

HALO in flight
HALO in flight in 2009
Image 3/7, Credit: Aero-Art Frank Herzog.

HALO in flight in 2009

HALO is 31 metres long - 1.6 metres account for the nose probe. It has a height of 7.9 metres and a wingspan of 28.5 metres.

HALO during its landing approach
HALO during its landing approach
Image 4/7, Credit: DLR (CC-BY 3.0).

HALO during its landing approach

HALO has a range of over 8000 kilometres and can reach altitudes of more than 15 kilometres.

Side view of HALO
Side view of HALO
Image 5/7, Credit: Aero-Art Frank Herzog

Side view of HALO

The HALO project was made possible by the Max Planck Society, members of the Helmholtz Association of German Research Centres and various other scientific institutes in the atmospheric research sector. In total, 31 research institutes are involved in the project.

Extensive modifications in the interior of the HALO research aircraft
Extensive modifications in the interior of the HALO research aircraft
Image 6/7, Credit: DLR (CC-BY 3.0).

Extensive modifications in the interior of the HALO research aircraft

Extensive modifications were needed to convert the former commercial business aircraft into a high-performance research aircraft.

Graphic: Modifications for HALO
Modifications for HALO: From business jet to research aircraft
Image 7/7, Credit: DLR (CC-BY 3.0).

Modifications for HALO: From business jet to research aircraft

HALO (High Altitude and Long Range Research Aircraft), the new research aircraft of the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR), is complete.

In a 20-month project, RUAG Aerospace Services have converted the brand-new Gulfstream G550 from a standard business jet into the state-of-the-art and highly specialised high-altitude research aircraft for DLR's atmospheric research activities.

The graphic shows the modifications on the upper and lower fuselage.

The new HALO (High Altitude and Long Range Research Aircraft) research aircraft heralds a new chapter in the history of German atmospheric research and Earth observation. HALO is based on a Gulfstream G 550 ultra-long range business jet. The combination of range, cruising altitude, payload and comprehensive instrumentation make the aircraft a globally unique research platform.

More information and images about HALO can be found here.

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