Sikorsky–Boeing SB-1 Defiant (English Wikipedia)

Huber, Mark (9 August 2018). "Sikorsky Defiant Moves Closer To First Flight". Aviation International News. Archived from the original on 12 December 2023.

archive.today

Judson, Jen (14 October 2020). "Watch the SB-1 Defiant coaxial demonstrator aircraft hit 230 knots". Defense News. Archived from the original on 22 August 2021.
Capaccio, Anthony; Tiron, Roxana (5 December 2022). "US Army Taps Bell Textron for Helicopter of the Future". Bloomberg.com. Archived from the original on 3 March 2023. Retrieved 5 December 2022.
Majumdar, Dave (14 September 2011). "X-2 Maxes Out in Medium-Sized Role". Defense News. Archived from the original on 20 October 2013. Retrieved 28 January 2019.

aviationtoday.com

Bellamy III, Woodrow (1 April 2022). "Next Generation Perigon Flight Control Computer to See First Placement in Defiant X Helicopter". Aviation Today. Archived from the original on 15 December 2023. Retrieved 16 June 2022.

aviationweek.com

Warwick, Graham (4 November 2013). "Sikorsky Moves X2 Technology Up A Size For JMR". Aviation Week. Archived from the original on 22 June 2014.
Sweetman, Bill (22 October 2013). "Boeing and Sikorsky Name New Rotorcraft". Aviation Week. Archived from the original on 14 January 2024.

avweb.com

O'Connor, Kate (26 January 2021). "Sikorsky-Boeing Team Unveils Defiant X". AVweb. Archived from the original on 15 December 2023.

bloomberg.com

Capaccio, Anthony; Tiron, Roxana (5 December 2022). "US Army Taps Bell Textron for Helicopter of the Future". Bloomberg.com. Archived from the original on 3 March 2023. Retrieved 5 December 2022.

defensedaily.com

Beinart, Matthew (10 February 2022). "Sikorsky-Boeing select new Honeywell engine to power FLRAA offering". Defense Daily. Archived from the original on 15 December 2023. Retrieved 22 February 2022.

defensemedianetwork.com

Gourley, Scott R. (8 October 2013). "Joint Multi-Role (JMR): The Technology Demonstrator Phase Contenders". Defense Media Network. Archived from the original on 16 November 2023.

defensenews.com

Judson, Jen (14 October 2020). "Watch the SB-1 Defiant coaxial demonstrator aircraft hit 230 knots". Defense News. Archived from the original on 22 August 2021.
Majumdar, Dave (14 September 2011). "X-2 Maxes Out in Medium-Sized Role". Defense News. Archived from the original on 20 October 2013. Retrieved 28 January 2019.

defenseone.com

Weisgerber, Marcus (5 December 2022). "Army Chooses Bell V-280 to Replace Its Black Hawk Helicopters". Defense One. Archived from the original on 3 October 2023. Retrieved 5 December 2022.

flightglobal.com

Parsons, Dan (14 October 2014). "Sikorsky, Boeing finalise design of SB-1 Defiant". FligthGlobal. Archived from the original on 18 October 2014. Retrieved 18 October 2014.
Giangreco, Leigh (21 April 2017). "Defiant's first flight falls behind". FlightGlobal. Archived from the original on 27 December 2023. Retrieved 20 April 2017.
Majumdar, Dave (18 January 2013). "Boeing and Sikorsky team up on US Army's JMR". FlightGlobal. Archived from the original on 14 January 2024.
Majumdar, Dave (28 February 2013). "Sikorsky and Boeing to pitch 'X-2'-based design for US Army JMR TD effort". FlightGlobal. Archived from the original on 15 August 2022.
Reim, Garrett (9 October 2018). "Despite delays, SB-1 Defiant on track for 2018 first flight". FlightGlobal. Archived from the original on 23 September 2023.
Waldron, Greg (27 December 2018). "SB-1 Defiant breaks cover". FlightGlobal. Archived from the original on 17 September 2021.
Reim, Garrett (31 January 2019). "SB-1 Defiant starts ground run tests ahead of first flight". FlightGlobal. Archived from the original on 31 October 2023.
Reim, Garrett (12 October 2021). "Sikorsky-Boeing team to squeeze a bit more speed from SB-1 Defiant". Flight Global.
Hemmerdinger, Jon (23 October 2013). "Sikorsky-Boeing confident SB-1 Defiant won't be the next Comanche". FlightGlobal. Archived from the original on 22 July 2014.
Trimble, Stephen (18 June 2014). "Sikorsky-Boeing select T55 to power SB-1 Defiant demonstrator". FlightGlobal. Archived from the original on 1 July 2014.

mediaroom.com

boeing.mediaroom.com

"Sikorsky-Boeing SB>1 DEFIANT™ Helicopter Achieves First Flight". Boeing. 21 March 2019. Archived from the original on 15 December 2023.

miltechmag.com

Drwiega, Andrew (9 April 2015). "Sikorsky-Boeing Announces JMR Defiant Team". MilTechMag. Archived from the original on 12 December 2023.

nationaldefensemagazine.org

Insinna, Valerie (14 June 2013). "Boeing-Sikorsky Team Emerges as Frontrunner After EADS Quits Army Helo Competition". National Defense Magazine. Archived from the original on 9 June 2023.

prnewswire.com

"Sikorsky, Boeing Partner for Joint Multi-Role Future Vertical Lift Requirements". PR Newswire. 18 January 2013. Archived from the original on 14 January 2024. Retrieved 28 January 2013.

sikorsky.com

"Sikorsky, Boeing Selected to Build Technology Demonstrator for Future Vertical Lift - SB>1 Defiant expected to fly in 2017". Sikorsky. 12 August 2014. Archived from the original on 19 July 2015.

swiftengineering.com

"Swift Joins Sikorsky-Boeing Defiant Team to deliver Next Generation Vertical Lift". Swift Engineering. 30 March 2015. Archived from the original on 30 September 2023. Retrieved 2 September 2019.

verticalmag.com

Parker, Andrew D. (16 October 2014). "Good things come in threes: Boeing-Sikorsky to develop two larger X2 offshoots for JMR and Future Vertical Lift". Vertical Magazine. Archived from the original on 16 July 2015.
Parsons, Dan (16 October 2019). "Defiant back in the air after 'bearing creep' issue found on test bed". Vertical Magazine. Archived from the original on 13 December 2023. Retrieved 26 November 2019.
Parsons, Dan (30 December 2020). "Defiant roars through flight test milestones in 2020". Vertical Magazine. Archived from the original on 15 December 2023.

web.archive.org

"Sikorsky-Boeing SB>1 DEFIANT™ Helicopter Achieves First Flight". Boeing. 21 March 2019. Archived from the original on 15 December 2023.
Weisgerber, Marcus (5 December 2022). "Army Chooses Bell V-280 to Replace Its Black Hawk Helicopters". Defense One. Archived from the original on 3 October 2023. Retrieved 5 December 2022.
"Sikorsky, Boeing Selected to Build Technology Demonstrator for Future Vertical Lift - SB>1 Defiant expected to fly in 2017". Sikorsky. 12 August 2014. Archived from the original on 19 July 2015.
Parker, Andrew D. (16 October 2014). "Good things come in threes: Boeing-Sikorsky to develop two larger X2 offshoots for JMR and Future Vertical Lift". Vertical Magazine. Archived from the original on 16 July 2015.
Parsons, Dan (14 October 2014). "Sikorsky, Boeing finalise design of SB-1 Defiant". FligthGlobal. Archived from the original on 18 October 2014. Retrieved 18 October 2014.
Warwick, Graham (4 November 2013). "Sikorsky Moves X2 Technology Up A Size For JMR". Aviation Week. Archived from the original on 22 June 2014.
Giangreco, Leigh (21 April 2017). "Defiant's first flight falls behind". FlightGlobal. Archived from the original on 27 December 2023. Retrieved 20 April 2017.
Majumdar, Dave (18 January 2013). "Boeing and Sikorsky team up on US Army's JMR". FlightGlobal. Archived from the original on 14 January 2024.
"Sikorsky, Boeing Partner for Joint Multi-Role Future Vertical Lift Requirements". PR Newswire. 18 January 2013. Archived from the original on 14 January 2024. Retrieved 28 January 2013.
Sweetman, Bill (22 October 2013). "Boeing and Sikorsky Name New Rotorcraft". Aviation Week. Archived from the original on 14 January 2024.
Majumdar, Dave (28 February 2013). "Sikorsky and Boeing to pitch 'X-2'-based design for US Army JMR TD effort". FlightGlobal. Archived from the original on 15 August 2022.
Insinna, Valerie (14 June 2013). "Boeing-Sikorsky Team Emerges as Frontrunner After EADS Quits Army Helo Competition". National Defense Magazine. Archived from the original on 9 June 2023.
Drwiega, Andrew (9 April 2015). "Sikorsky-Boeing Announces JMR Defiant Team". MilTechMag. Archived from the original on 12 December 2023.
"Swift Joins Sikorsky-Boeing Defiant Team to deliver Next Generation Vertical Lift". Swift Engineering. 30 March 2015. Archived from the original on 30 September 2023. Retrieved 2 September 2019.
Reim, Garrett (9 October 2018). "Despite delays, SB-1 Defiant on track for 2018 first flight". FlightGlobal. Archived from the original on 23 September 2023.
Huber, Mark (9 August 2018). "Sikorsky Defiant Moves Closer To First Flight". Aviation International News. Archived from the original on 12 December 2023.
Waldron, Greg (27 December 2018). "SB-1 Defiant breaks cover". FlightGlobal. Archived from the original on 17 September 2021.
Reim, Garrett (31 January 2019). "SB-1 Defiant starts ground run tests ahead of first flight". FlightGlobal. Archived from the original on 31 October 2023.
Parsons, Dan (16 October 2019). "Defiant back in the air after 'bearing creep' issue found on test bed". Vertical Magazine. Archived from the original on 13 December 2023. Retrieved 26 November 2019.
Parsons, Dan (30 December 2020). "Defiant roars through flight test milestones in 2020". Vertical Magazine. Archived from the original on 15 December 2023.
O'Connor, Kate (26 January 2021). "Sikorsky-Boeing Team Unveils Defiant X". AVweb. Archived from the original on 15 December 2023.
Beinart, Matthew (10 February 2022). "Sikorsky-Boeing select new Honeywell engine to power FLRAA offering". Defense Daily. Archived from the original on 15 December 2023. Retrieved 22 February 2022.
Bellamy III, Woodrow (1 April 2022). "Next Generation Perigon Flight Control Computer to See First Placement in Defiant X Helicopter". Aviation Today. Archived from the original on 15 December 2023. Retrieved 16 June 2022.
Gourley, Scott R. (8 October 2013). "Joint Multi-Role (JMR): The Technology Demonstrator Phase Contenders". Defense Media Network. Archived from the original on 16 November 2023.
Hemmerdinger, Jon (23 October 2013). "Sikorsky-Boeing confident SB-1 Defiant won't be the next Comanche". FlightGlobal. Archived from the original on 22 July 2014.
Trimble, Stephen (18 June 2014). "Sikorsky-Boeing select T55 to power SB-1 Defiant demonstrator". FlightGlobal. Archived from the original on 1 July 2014.