Sikorsky S-64 Skycrane (English Wikipedia)

"L.A. County S-64". Yahoo. Archived from the original on 21 May 2014. Retrieved 17 March 2013.
"NTSB probes Air-Crane crash – September 9, 2004". Archive.mailtribune.com. 9 September 2004. Archived from the original on 7 July 2012. Retrieved 20 December 2010.

cntower.ca

"Topping of Tower". CNTower.ca. Archived from the original on 30 June 2020. Retrieved 29 June 2020.

dgualdo.it

"Helicopters area of dgualdo.it (report excerpts in Italian)". Archived from the original on 28 September 2007.

emergencyrigs.net

"LAFD S-64". emergencyrigs.net. Archived from the original on 21 May 2014. Retrieved 26 January 2013.

ericksonaircrane.com

"the origins of Erickson Air-Crane". Erickson Air-Crane, Inc. 2013. Archived from the original on 29 March 2013. Retrieved 26 January 2013.

ericksoninc.com

Martinich, Jesse (10 December 2021). "The Fascinating Story of the S-64 Air Crane® Helicopter | Erickson Inc". Erickson Inc. | OEM and MRO Services. Retrieved 30 May 2024.
"Firefighting Services". Erickson Incorporated. Archived from the original on 7 November 2017. Retrieved 27 April 2018.

evergreenaviation.com

"Evergreen S-64 spec. sheet" (PDF). Evergreen aviation. Archived from the original (PDF) on 12 May 2012. Retrieved 26 January 2013.

fireaviation.com

"Erickson delivers another Air Crane to Korea Forest Service". fireaviation.com. 2019. Retrieved 10 August 2021.
"Aircrane extracted after crashing into lake in Australia". fireaviation.com. Retrieved 18 April 2021.

flightglobal.com

Reim, Garrett (29 January 2020). "Erickson to demo S-64 Air Crane flying autonomously using Sikorsky Matrix". FlightGlobal.com. Retrieved 31 January 2020.

helicopterexpress.com

"Our Construction Helicopter Fleet | Helicopter Express". www.helicopterexpress.com. Retrieved 9 May 2024.

helihub.com

"Erickson Air-Crane buys Sun Bird aircraft from San Diego Gas & Electric". Helihub. 7 October 2012. Archived from the original on 9 October 2012. Retrieved 26 January 2013.

helispot.com

"Helispot photo". Helispot. Archived from the original on 11 July 2011. Retrieved 20 December 2010.

htshelicopters.com

"HTS Fleet". htshelicopters.com. Archived from the original on 7 November 2012. Retrieved 26 January 2013.

mailtribune.com

archive.mailtribune.com

"NTSB probes Air-Crane crash – September 9, 2004". Archive.mailtribune.com. 9 September 2004. Archived from the original on 7 July 2012. Retrieved 20 December 2010.

ntsb.gov

"NTSB report (LAX07TA001)". Ntsb.gov. Archived from the original on 14 January 2016. Retrieved 7 September 2015.
"NTSB report – NYC07WA152". Ntsb.gov. 26 April 2007. Archived from the original on 19 February 2009. Retrieved 20 December 2010.
"NTSB report – WAS04WA012". Ntsb.gov. 26 August 2004. Archived from the original on 31 July 2010. Retrieved 20 December 2010.

data.ntsb.gov

"NTSB Report - WPR23FA302". ntsb.gov. Retrieved 19 December 2023.

sillerhelicopters.com

"Fleet". Siller helicopters. Archived from the original on 28 September 2013. Retrieved 20 September 2013.

web.archive.org

"Firefighting Services". Erickson Incorporated. Archived from the original on 7 November 2017. Retrieved 27 April 2018.
"Topping of Tower". CNTower.ca. Archived from the original on 30 June 2020. Retrieved 29 June 2020.
"Helispot photo". Helispot. Archived from the original on 11 July 2011. Retrieved 20 December 2010.
"the origins of Erickson Air-Crane". Erickson Air-Crane, Inc. 2013. Archived from the original on 29 March 2013. Retrieved 26 January 2013.
"Evergreen S-64 spec. sheet" (PDF). Evergreen aviation. Archived from the original (PDF) on 12 May 2012. Retrieved 26 January 2013.
"HTS Fleet". htshelicopters.com. Archived from the original on 7 November 2012. Retrieved 26 January 2013.
"LAFD S-64". emergencyrigs.net. Archived from the original on 21 May 2014. Retrieved 26 January 2013.
"Erickson Air-Crane buys Sun Bird aircraft from San Diego Gas & Electric". Helihub. 7 October 2012. Archived from the original on 9 October 2012. Retrieved 26 January 2013.
"Fleet". Siller helicopters. Archived from the original on 28 September 2013. Retrieved 20 September 2013.
"NTSB report (LAX07TA001)". Ntsb.gov. Archived from the original on 14 January 2016. Retrieved 7 September 2015.
"Helicopters area of dgualdo.it (report excerpts in Italian)". Archived from the original on 28 September 2007.
"NTSB report – NYC07WA152". Ntsb.gov. 26 April 2007. Archived from the original on 19 February 2009. Retrieved 20 December 2010.
"NTSB report – WAS04WA012". Ntsb.gov. 26 August 2004. Archived from the original on 31 July 2010. Retrieved 20 December 2010.

yahoo.com

finance.yahoo.com

"L.A. County S-64". Yahoo. Archived from the original on 21 May 2014. Retrieved 17 March 2013.