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L-1011 Launch and Research Platform
Pegasus

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"Stargazer" L-1011 Carrier Aircraft

Airborne Launch and Research Platform

"Stargazer" is an L-1011 commercial transport aircraft modified to serve as the launch platform for Orbital’s air-launched Pegasus rocket as well as a platform for airborne research projects. The L-1011 has been used to successfully launch 32 Pegasus rockets as well as the captive carry flights of the X-34 reusable launch vehicle demonstrator. The aircraft has also been used to conduct various airborne research projects including the NASA Adaptive Performance Optimization (APO) project.

Orbital’s uniquely modified L-1011 offers a variety of options for the installation of research test payloads. In addition to external mounting, platforms can be installed internally, on the upper deck or in cargo compartments. Installation, de-installation and turn around times are significantly reduced due to the adaptability and flexibility of the L-1011.

The advantages of using Orbital’s L-1011 airborne launch and research platform include:

  • Fully equipped as an airborne platform providing power, data, video monitoring and telemetry transmission,
  • Efficient design for rapid test equipment installation and removal,
  • FAA Certification allows worldwide access,
  • The unique external payload hook system can support an externally mounted pallet for aerial research equipment or for external release,
  • Launch Panel Operator (LPO) station to monitor and control payload,
  • Customer-focused flight crew and engineering staff experienced in flight test and airborne research.
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