Boeing A160 Hummingbird (English Wikipedia)

"Rotorcraft Report: Turbine A160T Flies 8 Hr". Rotor & Wing Magazine. November 1, 2007. Archived from the original on July 28, 2012. Retrieved 2008-11-19.

boeing.com

Golightly, Glen. "Boeing's Concept Exploration pioneers new UAV development with the Hummingbird and the Maverick" Boeing Frontiers, 2004. Accessed: May 2014. Archive
Staff (June 21, 2005). "Boeing Team Demonstrates Advanced Autonomous Flight Control for UAVs". Boeing. Archived from the original on August 7, 2007. Retrieved 2008-11-19.
"A160 Hummingbird". Boeing Integrated Defense Systems. Archived from the original on 13 December 2010. Retrieved 11 September 2010. The A160 flew for the first time in January 2002 at a former U.S. Air Force base at Victorville, Calif.
"Boeing A160 Hummingbird Completes Flight Test". Boeing. 2 December 2005. Archived from the original on 7 December 2005. Retrieved 2008-11-19. The objectives of the recent flight test were to open the A160's flight envelope for the latest vehicle configuration, as previous aircraft used four cylinder Subaru engines.
"A160 Hummingbird Resumes Flight Testing as Boeing UAV". Boeing. 2004-09-20. Archived from the original on 2008-10-25. Retrieved 2008-11-19.
A160 Hummingbird Archived December 13, 2010, at the Wayback Machine. Boeing.
"Boeing Completes First Flight of A160T Hummingbird Unmanned Helicopter". Boeing. June 18, 2007. Archived from the original on November 28, 2007. Retrieved 2008-11-19.
"Boeing Logs 12-hour A160T Hummingbird Flight". Photo Release. Boeing. 2007-10-16. Archived from the original on 2008-12-05. Retrieved 2008-11-19.
Staff (2008-05-21). "Boeing Flies A160T Hummingbird Unmanned Rotorcraft for 18 Hours". Boeing. Archived from the original on 2008-10-20. Retrieved 2008-11-19.

books.google.com

Croucher, Phil. Professional helicopter pilot studies pp. 2-11. ISBN 978-0-9780269-0-5. Quote: [Rotor speed] "is constant in a helicopter".
John M. Seddon, Simon Newman. Basic Helicopter Aerodynamics p. 216, John Wiley and Sons, 2011. Accessed: 25 February 2012. ISBN 1-119-99410-1. Quote: The rotor is best served by rotating at a constant rotor speed

breakingdefense.com

Munoz, Carlos. "Boeing’s ‘Hummingbird’ Out of Mix For New Marine Corps Drone" Breaking Defense, 24 February 2012. Accessed: 14 May 2014. Archived 14 May 2014.

darpa.mil

"A160 Hummingbird Unmanned Air Vehicle Conducts First Forward Flight". DARPA. January 31, 2002. Archived from the original (DOC) on March 4, 2016. Retrieved 2008-11-07.

deagel.com

"Boeing A160T Unmanned Rotorcraft Shifts Gears in Flight, Passes 100 Flight-Hours Archived March 4, 2016, at the Wayback Machine" Boeing, 18 December 2008. Accessed: May 2014. Mirror Archived March 4, 2016, at the Wayback Machine

defense-update.com

Boeing Awarded $30 Million for A160T Transport UAVs to Support U.S. Marines in Afghanistan Archived December 6, 2010, at the Wayback Machine. Defense Update, 3 December 2010. Accessed: 11 December 2010.

defenseindustrydaily.com

Staff (2008-05-21). "A160 Hummingbird: Boeing's Variable-Rotor VTUAV". Defense Industry Daily. Retrieved 2008-11-19.

defenselink.mil

"Contracts for Friday, September 12, 2003". U.S. Department of Defense. 2003-09-12. Retrieved 2008-11-07.

designation-systems.net

Parsch, Andreas (2009). "Boeing (Frontier Systems) MQ-18 Hummingbird". Directory of U.S. Military Rockets and Missiles, Appendix 2: Modern UAVs. Designation-Systems.Net. Retrieved 2024-04-30.
Parsch, Andreas (2005-09-01). "Boeing (Frontier Systems/Robinson) Maverick". Directory of U.S. Military Rockets and Missiles, Appendix 4: Undesignated Vehicles. Designation-Systems.Net. Retrieved 2008-11-19.

engadget.com

Hidalgo, Jason. "US Army breaking up with A160 Hummingbird drone-copter, says it's too high maintenance" Engadget, 26 June 2012. Accessed: 14 May 2014. Archived on 14 April 2014.

fai.org

Staff. "Class U-2.d (Autonomously controlled UAV) - Duration". Fédération Aéronautique Internationale. Archived from the original on 2014-04-27. Retrieved 2014-04-26.

flightglobal.com

Putrich, Gayle (10 September 2010). "Defying convention". FlightGlobal. Archived from the original on 12 May 2014. Retrieved 12 May 2014.
Trimble, Stephen (3 July 2008). "DARPA's Hummingbird unmanned helicopter comes of age". FlightGlobal. Archived from the original on 14 May 2014. Retrieved 14 May 2014. The rotor speed on a typical helicopter can be varied around 95-102%
Lewis, Paul. "US Army and DARPA plan Hummingbird Redesign" Archived March 5, 2016, at the Wayback Machine. Flight International, 12–18 November 2002.
Warwick, Graham (2007-12-11). "Hummingbird UAV Down Near Victorbille, CA: Details On Loss of Boeing A160 Helo Sketchy". Flightglobal. Retrieved 2008-11-19.
Trimble, Stephen. "US forces plot new role for unmanned cargo resupply" Archived March 11, 2010, at the Wayback Machine. Flight International, 12 August 2009. Retrieved 14 March 2010.
Trimble, Stephen. "Boeing unmanned A160T crashes at California airport" Archived August 4, 2010, at the Wayback Machine. Flight International, 30 July 2010. Retrieved 31 July 2010.
Putrich, Gayle (10 September 2010). "A160 Hummingbird crashes during testing in Belize". FlightGlobal. Retrieved 12 September 2010.
Parsons, Dan (16 October 2014), "Karem Aircraft confident military investment will bear fruit", Flightglobal, Reed Business Information, archived from the original on 18 October 2014, retrieved 18 October 2014

globalsecurity.org

Pike, John (July 2011). "MQ-18 A160 Hummingbird Warrior". GlobalSecurity.org.

insidedefense.com

Judson, Jen. "Lawmakers Want MQ-18 Funds To Be Held Until Army Shows It Has Need" Inside Defense, May 2012. Accessed: 14 May 2014. Archived on 14 May 2014

mediaroom.com

boeing.mediaroom.com

"Boeing A160T Unmanned Rotorcraft Shifts Gears in Flight, Passes 100 Flight-Hours Archived March 4, 2016, at the Wayback Machine" Boeing, 18 December 2008. Accessed: May 2014. Mirror Archived March 4, 2016, at the Wayback Machine

militaryaerospace.com

McHale, John. A160T Hummingbird UAVs from Boeing provided to U.S. Marine Corps Archived July 19, 2011, at the Wayback Machine Military Aerospace, 4 December 2010. Accessed: 11 December 2010.

msn.com

futureoftech.msnbc.msn.com

John Roach. "Robotic helicopters at work in Afghanistan". Future of Technology, MSNBC. Archived from the original on 7 January 2012. Retrieved 22 December 2011.

nationaldefensemagazine.org

"Unmanned Helicopters Today Don't Meet Special Operators' Needs Archived July 26, 2011, at the Wayback Machine" May 19, 2011.

popularmechanics.com

The Rise of the Drone Helicopter - A160T Hummingbird Archived August 20, 2014, at the Wayback Machine Popular Mechanics. Accessed: February 2011.

postmanpatel.blogspot.com

Anonymous. "UAV's, they should be code named ICARUS". blog. UK TOP SECRET Postman Patel. Retrieved 2008-11-19.

spacedaily.com

Staff (2006-03-20). "Boeing Completes Successful Autonomous Flight Control Technology Program". Space Daily. Retrieved 2008-11-19.

theregister.co.uk

Page, Lewis (13 September 2010). "US Special Ops robot whispercopter crashes in Belize". The Register. Retrieved 13 September 2010.

usarmyaviation.com

The UH-60 permits 95–101% rotor RPM UH-60 limits Archived August 18, 2016, at the Wayback Machine US Army Aviation. Accessed: 2 January 2010

uvsr.org

"A160T Backgrounder Archived May 15, 2014, at the Wayback Machine" Boeing, June 2010. Accessed: 14 May 2014.

vtol.org

McKee, Michael W. (2003-04-02). "VTOL UAVs Come of Age: US Navy Begins Development of VTUAV". AHS International. Archived from the original on 2008-10-17. Retrieved 2008-11-07.

web.archive.org

Golightly, Glen. "Boeing's Concept Exploration pioneers new UAV development with the Hummingbird and the Maverick" Boeing Frontiers, 2004. Accessed: May 2014. Archive
Staff (June 21, 2005). "Boeing Team Demonstrates Advanced Autonomous Flight Control for UAVs". Boeing. Archived from the original on August 7, 2007. Retrieved 2008-11-19.
McKee, Michael W. (2003-04-02). "VTOL UAVs Come of Age: US Navy Begins Development of VTUAV". AHS International. Archived from the original on 2008-10-17. Retrieved 2008-11-07.
"A160 Hummingbird Unmanned Air Vehicle Conducts First Forward Flight". DARPA. January 31, 2002. Archived from the original (DOC) on March 4, 2016. Retrieved 2008-11-07.
Putrich, Gayle (10 September 2010). "Defying convention". FlightGlobal. Archived from the original on 12 May 2014. Retrieved 12 May 2014.
Colucci, Frank. "Hummingbird Hunts For a Home". Vertiflite, Fall 2008.
Trimble, Stephen (3 July 2008). "DARPA's Hummingbird unmanned helicopter comes of age". FlightGlobal. Archived from the original on 14 May 2014. Retrieved 14 May 2014. The rotor speed on a typical helicopter can be varied around 95-102%
The Rise of the Drone Helicopter - A160T Hummingbird Archived August 20, 2014, at the Wayback Machine Popular Mechanics. Accessed: February 2011.
"Boeing A160T Unmanned Rotorcraft Shifts Gears in Flight, Passes 100 Flight-Hours Archived March 4, 2016, at the Wayback Machine" Boeing, 18 December 2008. Accessed: May 2014. Mirror Archived March 4, 2016, at the Wayback Machine
List of Karem patents
The UH-60 permits 95–101% rotor RPM UH-60 limits Archived August 18, 2016, at the Wayback Machine US Army Aviation. Accessed: 2 January 2010
Robert Beckhusen. "Army Dumps All-Seeing Chopper Drone Archived April 22, 2015, at the Wayback Machine" Wired June 25, 2012. Accessed: 12 October 2013. Quote: for standard choppers .. the number of revolutions per minute is also set at a fixed rate
"A160 Hummingbird". Boeing Integrated Defense Systems. Archived from the original on 13 December 2010. Retrieved 11 September 2010. The A160 flew for the first time in January 2002 at a former U.S. Air Force base at Victorville, Calif.
"Boeing A160 Hummingbird Completes Flight Test". Boeing. 2 December 2005. Archived from the original on 7 December 2005. Retrieved 2008-11-19. The objectives of the recent flight test were to open the A160's flight envelope for the latest vehicle configuration, as previous aircraft used four cylinder Subaru engines.
Lewis, Paul. "US Army and DARPA plan Hummingbird Redesign" Archived March 5, 2016, at the Wayback Machine. Flight International, 12–18 November 2002.
"A160 Hummingbird Resumes Flight Testing as Boeing UAV". Boeing. 2004-09-20. Archived from the original on 2008-10-25. Retrieved 2008-11-19.
A160 Hummingbird Archived December 13, 2010, at the Wayback Machine. Boeing.
"Boeing Completes First Flight of A160T Hummingbird Unmanned Helicopter". Boeing. June 18, 2007. Archived from the original on November 28, 2007. Retrieved 2008-11-19.
"Boeing Logs 12-hour A160T Hummingbird Flight". Photo Release. Boeing. 2007-10-16. Archived from the original on 2008-12-05. Retrieved 2008-11-19.
Staff (2008-05-21). "Boeing Flies A160T Hummingbird Unmanned Rotorcraft for 18 Hours". Boeing. Archived from the original on 2008-10-20. Retrieved 2008-11-19.
Staff. "Class U-2.d (Autonomously controlled UAV) - Duration". Fédération Aéronautique Internationale. Archived from the original on 2014-04-27. Retrieved 2014-04-26.
Trimble, Stephen. "US forces plot new role for unmanned cargo resupply" Archived March 11, 2010, at the Wayback Machine. Flight International, 12 August 2009. Retrieved 14 March 2010.
McHale, John. A160T Hummingbird UAVs from Boeing provided to U.S. Marine Corps Archived July 19, 2011, at the Wayback Machine Military Aerospace, 4 December 2010. Accessed: 11 December 2010.
Boeing Awarded $30 Million for A160T Transport UAVs to Support U.S. Marines in Afghanistan Archived December 6, 2010, at the Wayback Machine. Defense Update, 3 December 2010. Accessed: 11 December 2010.
Munoz, Carlos. "Boeing’s ‘Hummingbird’ Out of Mix For New Marine Corps Drone" Breaking Defense, 24 February 2012. Accessed: 14 May 2014. Archived 14 May 2014.
John Roach. "Robotic helicopters at work in Afghanistan". Future of Technology, MSNBC. Archived from the original on 7 January 2012. Retrieved 22 December 2011.
Trimble, Stephen. "Boeing unmanned A160T crashes at California airport" Archived August 4, 2010, at the Wayback Machine. Flight International, 30 July 2010. Retrieved 31 July 2010.
Special Operations' Robocopter Spotted in Belize (Corrected) Archived November 5, 2012, at the Wayback Machine, Olivia Koski, August 9, 2010
"Unmanned Helicopters Today Don't Meet Special Operators' Needs Archived July 26, 2011, at the Wayback Machine" May 19, 2011.
Warwick, Graham. "More Bad News for Boeing's Unmanned A160" Aviation Week & Space Technology, 8 July 2012. Accessed: 16 December 2014. Archived on 16 December 2014.
Hidalgo, Jason. "US Army breaking up with A160 Hummingbird drone-copter, says it's too high maintenance" Engadget, 26 June 2012. Accessed: 14 May 2014. Archived on 14 April 2014.
Judson, Jen. "Lawmakers Want MQ-18 Funds To Be Held Until Army Shows It Has Need" Inside Defense, May 2012. Accessed: 14 May 2014. Archived on 14 May 2014
"A160T Backgrounder Archived May 15, 2014, at the Wayback Machine" Boeing, June 2010. Accessed: 14 May 2014.
Parsons, Dan (16 October 2014), "Karem Aircraft confident military investment will bear fruit", Flightglobal, Reed Business Information, archived from the original on 18 October 2014, retrieved 18 October 2014

wired.com

Robert Beckhusen. "Army Dumps All-Seeing Chopper Drone Archived April 22, 2015, at the Wayback Machine" Wired June 25, 2012. Accessed: 12 October 2013. Quote: for standard choppers .. the number of revolutions per minute is also set at a fixed rate
Special Operations' Robocopter Spotted in Belize (Corrected) Archived November 5, 2012, at the Wayback Machine, Olivia Koski, August 9, 2010