AirLaunch

AirLaunch was an aerospace design and development company headquartered in Kirkland, Washington. Its proposed business was to provide launch services for payloads destined for Earth orbit, particularly low Earth orbit, using an air-launch architecture rather than a conventional ground-launched rocket. In this approach, a rocket is carried to high altitude by an aircraft, released in flight, and then ignited to complete its ascent into orbit. The company’s concept addressed several technical and operational limitations associated with launching directly from the ground. A rocket released from a high-flying aircraft does not have to spend its initial flight moving through the densest part of the atmosphere, where aerodynamic drag increases the energy and propellant required for ascent. Air launch can also support flexible launch geometry: a carrier aircraft can potentially depart from different locations and release a vehicle at a selected point and heading, enabling access to a broad range of orbital inclinations without relying on a fixed launch site. These characteristics made the approach relevant to responsive, distributed, and potentially lower-cost small-payload launch concepts. AirLaunch’s documented work included large-scale air-drop testing and propulsion development. On June 14, 2006, the company participated in a DARPA-sponsored test involving the release of a 72,000-pound (33-tonne) dummy payload from a Boeing C-17. The event was reported as a record-setting payload drop for that aircraft type and demonstrated part of the airborne deployment concept at a scale relevant to launch-vehicle development. The company subsequently worked on upper-stage propulsion for the QuickReach orbital launch vehicle. QuickReach was associated with the Falcon Small Launch Vehicle program backed by the United States Air Force and DARPA. The development effort was aimed at a small launch vehicle capable of placing payloads into orbit, with AirLaunch contributing propulsion-related engineering rather than operating a mature commercial launch service. A DARPA document dated October 2008 stated that QuickReach Phase 2C test firings had been completed and that DARPA had concluded its Small Launch Vehicle program. AirLaunch ceased operations in November 2008. As a result, the company did not establish a continuing orbital launch service or become an active commercial aerospace operator. Its historical significance lies in its contribution to experimental air-launch and small-launch-vehicle development during a period when government agencies were investigating more flexible methods for placing small payloads into orbit.

AirLaunch emerged as a United States aerospace design and development company based in Kirkland, Washington. Its work centered on the air-launch method, in which an aircraft carries a rocket to altitude before releasing it for ignition and orbital ascent. The company’s intended role was to develop the technologies and vehicles needed to provide launch services for payloads entering Earth orbit, particularly low Earth orbit. The air-launch concept offered several potential advantages over a conventional ground launch. A rocket released from an aircraft begins its powered flight above the lowest and densest portion of the atmosphere, reducing the aerodynamic drag encountered during the early part of ascent. Avoiding some atmospheric drag can reduce the propellant and structural demands associated with liftoff from the ground. The use of an aircraft also creates operational flexibility: launch vehicles can theoretically be released from varying geographic locations and headings, allowing operators to target different orbital inclinations without being tied to a single fixed launch complex. AirLaunch’s best-documented test activity took place on June 14, 2006, during a DARPA-sponsored demonstration. The company dropped a 72,000-pound, or approximately 33-tonne, dummy payload from the rear of a C-17 transport aircraft. The drop was described as a record-setting event for the C-17 and provided practical data relevant to the airborne handling and release of large launch-related hardware. The test was an engineering demonstration rather than an orbital launch, but it illustrated the scale of deployment capability being investigated. After the drop-test work, AirLaunch contributed to the development of the QuickReach orbital launch vehicle, particularly its upper-stage propulsion. QuickReach formed part of the Falcon Small Launch Vehicle program associated with the United States Air Force and DARPA. The program reflected government interest in small launch vehicles that could place payloads into orbit with greater flexibility and potentially shorter preparation cycles than larger traditional launch systems. The development effort did not continue into a sustained commercial launch operation. A DARPA document dated October 2008 stated that QuickReach Phase 2C test firings had been completed and that DARPA had concluded its Small Launch Vehicle program. Following the end of that program, AirLaunch ceased operations in November 2008. Available reference material does not establish a later acquisition, successor company, public listing, commercial launch record, or continuing corporate activity under the AirLaunch name. AirLaunch is therefore best understood as a defunct aerospace development brand associated with experimental air-launch infrastructure, large airborne payload testing, and propulsion work for a government-backed small orbital launch program. Its history ended before the company could deliver a regular launch service or establish a long-term position in the commercial space market.

• 2008

  QuickReach Phase 2C test firings completed

  [1]AirLaunchen.wikipedia.org

  A DARPA document dated October 2008 reported completion of QuickReach Phase 2C test firings and the conclusion of the agency’s Small Launch Vehicle program.

• 2008

  Operations cease

  [1]AirLaunchen.wikipedia.org

  AirLaunch ceased operations in November 2008.

• 2006

  C-17 dummy-payload drop test

  [1]AirLaunchen.wikipedia.org

  On June 14, AirLaunch participated in a DARPA-sponsored test that dropped a 72,000-pound dummy payload from a C-17. The event was described as a record-setting drop for the aircraft type.

A defunct aerospace engineering company positioned around air-launched orbital access, responsive small-launch vehicles, and propulsion development for government-sponsored space programs.

• Small orbital launch vehicle

  QuickReach

  QuickReach was an orbital launch vehicle development effort associated with the Falcon Small Launch Vehicle program sponsored by the United States Air Force and DARPA. AirLaunch contributed upper-stage propulsion development. The project reached Phase 2C test firings, but the broader government Small Launch Vehicle program was subsequently concluded and QuickReach did not become a continuing commercial launch service.

• Aerospace development technology

  Air-launch deployment systems

  AirLaunch worked on the engineering concept of carrying a rocket or launch-related payload aboard an aircraft and releasing it at altitude for a subsequent powered ascent. Its large C-17 drop demonstration supported development of airborne handling and deployment capabilities, but the available material does not show that a complete operational system entered service.

• 2008

  Continuation of propulsion development within the Falcon Small Launch Vehicle programStrategy

  Background

  AirLaunch pursued upper-stage propulsion development for QuickReach while the vehicle was being developed within the Air Force and DARPA Falcon Small Launch Vehicle program.

  Action taken

  The company carried out QuickReach propulsion work and completed the reported Phase 2C test-firing stage.

  Aftermath

  DARPA concluded its Small Launch Vehicle program, and AirLaunch ceased operations in November 2008.

  Source

1. 1AirLaunchen.wikipedia.org