Editing Douglas DC-3 (section)

===Turboprop conversions===
[[File:Ntps-c47-N834TP-071112-01cr-16.jpg|thumb|BSAS C-47–65ARTP powered by [[Pratt & Whitney Canada PT6|Pratt & Whitney Canada PT6-65AR]] turboprop engines]]
From the early 1950s, some DC-3s were modified to use [[Rolls-Royce Dart]] engines, as in the [[Conroy Turbo Three]]. Other conversions featured [[Armstrong Siddeley Mamba]] or [[Pratt & Whitney PT6]]A [[turboprop|turbines]].

The Greenwich Aircraft Corp DC-3-TP is a conversion with an extended fuselage and with [[Pratt & Whitney Canada PT6|Pratt & Whitney Canada PT6A-65AR or PT6A-67R]] engines fitted.<ref>[http://www.dodson.com Turbo Dakota DC-3 "Turbine Conversion Aircraft"] {{Webarchive|url=https://web.archive.org/web/20180914073930/http://dodson.com/ |date=September 14, 2018}}. dodson.com. Retrieved September 12, 2012.</ref><ref>[http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/aca7e965b47f885785256cc2000c5ac4/$FILE/SA3820SW.pdf "FAA Supplemental Type Certificate Number SA3820SW"] {{Webarchive|url=https://web.archive.org/web/20161228045406/http://rgl.faa.gov/Regulatory_and_Guidance_Library/rgstc.nsf/0/aca7e965b47f885785256cc2000c5ac4/$FILE/SA3820SW.pdf |date=December 28, 2016}} retrieved March 28, 2015</ref><ref>[http://www.turbinedc3.com/conversion_process_turbine_dc3.html Turbo Dakota DC-3 Conversion Process] {{webarchive|url=https://web.archive.org/web/20140926233224/http://www.turbinedc3.com/conversion_process_turbine_dc3.html |date=2014-09-26}}, Dodson International. Retrieved March 28, 2015</ref>

The [[Basler BT-67]] is a conversion of the DC-3/C-47. Basler refurbishes C-47s and DC-3s at [[Wittman Regional Airport|Oshkosh]], [[Wisconsin]], fitting them with Pratt & Whitney Canada PT6A-67R turboprop engines, lengthening the fuselage by {{cvt|40|in}} with a fuselage plug ahead of the wing, and some local strengthening of the airframe.<ref>[http://www.baslerturbo.com/specifications.html "Basler BT-67"]. Basler Turbo Conversions, LLC via baslerturbo.com, 2008. Retrieved March 7, 2009.</ref>

South Africa-based Braddick Specialised Air Services International (commonly referred to as BSAS International) has also performed Pratt & Whitney PT6 turboprop conversions, having performed modifications on over 50 DC-3/C-47s / 65ARTP / 67RTP / 67FTPs.<ref>[https://archive.today/20130118152916/http://www.bsasinternational.com/index.php/turbine-aircraft Turbine Aircraft] Retrieved June 2, 2020.</ref>