Editing Boeing 777 (section)

===Aftermarket freighter conversions===
In the 2000s, Boeing began studying the conversion of 777-200ER and -200 passenger airliners into freighters, under the name 777 BCF (Boeing Converted Freighter).<ref>{{cite web |url=https://www.flightglobal.com/news/articles/boeing-reveals-cargo-conversion-development-studies-316341/ |title=Boeing reveals cargo conversion development studies for 777 |last=Sobie |first=Brendan |date=September 23, 2008 |work=Air Transport Intelligence via Flightglobal.com |access-date=October 19, 2010 |archive-date=November 17, 2015 |archive-url=https://web.archive.org/web/20151117020559/https://www.flightglobal.com/news/articles/boeing-reveals-cargo-conversion-development-studies-316341/ |url-status=live}}</ref> The company has been in discussion with several airline customers, including FedEx Express, [[UPS Airlines]], and [[GE Capital Aviation Services]], to provide launch orders for a 777 BCF program.<ref>{{cite web |url=https://www.flightglobal.com/news/articles/boeing-expects-to-secure-777bcf-launch-customer-in-e-348642/ |title=Boeing expects to secure 777BCF launch customer in early 2011 |last=Sobie |first=Brendan |date=October 19, 2010 |work=Air Transport Intelligence via Flightglobal.com |access-date=October 19, 2010 |archive-date=November 17, 2015 |archive-url=https://web.archive.org/web/20151117023215/https://www.flightglobal.com/news/articles/boeing-expects-to-secure-777bcf-launch-customer-in-e-348642/ |url-status=live}}</ref>

====777-300ER Special Freighter (SF)====
In July 2018, Boeing was studying a 777-300ER [[cargo aircraft|freighter]] conversion, targeted for the [[Volumetric weight|volumetric]] market instead of the density market served by the production 777F.<ref name=Leeham17jul2018/> After having considered a -200ER P2F program, Boeing was hoping to conclude its study by the Fall as the [[Boeing 777X|777X]] replacing aging -300ERs from 2020 will generate feedstock.<ref name="Leeham17jul2018">{{cite news |url=https://leehamnews.com/2018/07/17/farnborough-boeing-global-services-ponders-777-300er-p2f-program/ |title=Farnborough: Boeing Global Services ponders 777-300ER P2F program |date=July 17, 2018 |work=Leeham News |access-date=July 19, 2018 |archive-date=November 6, 2018 |archive-url=https://web.archive.org/web/20181106231016/https://leehamnews.com/2018/07/17/farnborough-boeing-global-services-ponders-777-300er-p2f-program/ |url-status=live}}</ref> New-build 777-300ERs may maintain the delivery rate at five per month, to bridge the production gap until the 777X is delivered.<ref>{{cite news |url=https://leehamnews.com/2018/10/23/boeings-growing-777x-challenge/ |title=Boeing's growing 777X challenge |date=October 23, 2018 |work=Leeham News |access-date=October 24, 2018 |archive-date=November 16, 2018 |archive-url=https://web.archive.org/web/20181116084818/https://leehamnews.com/2018/10/23/boeings-growing-777x-challenge/ |url-status=live}}</ref> Within the 811 777-300ERs delivered and 33 to be delivered by October 2019, GE Capital Aviation Services (GECAS) anticipates up to 150-175 orders through 2030, the four to five month conversion costing around $35 million.<ref name=Flight16oct2019/>

In October 2019, Boeing and [[Israeli Aerospace Industries]] (IAI) launched the 777-300ERSF passenger to freighter conversion program with GECAS ordering 15 aircraft and 15 options, the first aftermarket 777 freighter conversion program.<ref name=Flight16oct2019/> In June 2020, IAI received the first 777-300ER to be converted, from GECAS.<ref name=Flight28oct2020/> In October 2020, GECAS announced the launch operator from 2023: Michigan-based [[Kalitta Air]], already operating 24 747-400Fs, nine [[Boeing 767-300ER|767-300ERFs]] and three 777Fs.<ref name=Flight28oct2020>{{cite news |url=https://www.flightglobal.com/airframers/kalitta-to-be-launch-operator-of-777-300ersf-converted-freighter/140852.article |title=Kalitta to be launch operator of 777-300ERSF converted freighter |author=Jon Hemmerdinger |date=28 October 2020 |work=Flightglobal |access-date=October 29, 2020 |archive-date=November 1, 2020 |archive-url=https://web.archive.org/web/20201101034743/https://www.flightglobal.com/airframers/kalitta-to-be-launch-operator-of-777-300ersf-converted-freighter/140852.article |url-status=live}}</ref> IAI should receive the first aircraft in December 2020 while certification and service entry was scheduled for late 2022.<ref name=Flight16oct2019>{{Cite web |url=https://www.flightglobal.com/news/articles/gecas-and-iai-launch-777-300er-cargo-conversion-461491/ |title=GECAS and IAI launch 777-300ER cargo conversion |last=Kingsley-Jones |first=Max |date=October 16, 2019 |website=Flightglobal |language=en-GB |access-date=October 17, 2019 |archive-date=October 17, 2019 |archive-url=https://web.archive.org/web/20191017004631/https://www.flightglobal.com/news/articles/gecas-and-iai-launch-777-300er-cargo-conversion-461491/ |url-status=live}}</ref> By March 2023, IAI had completed the first flight of a 777-300ER Special Freighter, converted for AerCap, as it had a backlog over 60 orders.<ref>{{cite news |url=https://aircosmosinternational.com/article/the-world-s-first-successful-flight-of-a-b777-300er-converted-to-a-freighter-3743 |date=24 March 2023 |work=Air & Cosmos |title=The world's first successful flight of a B777-300ER converted to a freighter}}</ref> 

The 777-300ER Special Freighter has a maximum payload of {{cvt|101.6|t|lb|order=flip}}, a range of {{cvt|4,500|nmi}} and shares the door aperture and aft position of the 777F.<ref name=Flight16oct2019/> It has a cargo volume capacity of {{cvt|819|m3|cuft|order=flip}}, 5,800 cu ft (164 m<sup>3</sup>) greater than the 777F (or {{#expr:164/(8.19-1.64)round0}}% more) and can hold 47 standard [[Unit Load Device|96 x 125 in pallet]] (P6P) positions, 10 more positions than a 777F or eight more than a [[Boeing 747-400F|747-400F]].<ref name=Flight16oct2019/> With windows plugged, passenger doors deactivated, fuselage and floor reinforced, and a main-deck cargo door installed, the 777-300ERSF has 15% more volume than a 747-400BCF.<ref name=Flight28oct2020/>