Editing Antonov An-2 (section)

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* '''Grach-2''' (''Grach''-Rook) – Students from the SKB MAI (''Studencheskoye Konstruktorskoye Byuro Moskovskii Aviatsionii Institut [Sergo Ordjonikidze]'' – student construction bureau Moscow Aviation Institute [Sergo Ordjonikidze]) studied agricultural aircraft utilising the WIG effect. Their first effort, named ''Grach''-2, was a standard An-2 fuselage mated to low-set inverted gull. reverse-delta monoplane wings with couter, constant chord, dihedral sections and fitted with a t-tail.<ref name = "An-2"/>
* '''Grach-3''' – The second projected WIG agricultural aircraft from the SKB MAI was the Grach-3. This aircraft was to have been similar to the Grach-2 but utilising a centre section with near constant chord which allowed the tailplane to be dispensed with and pitch controlled by elevators at the rear of the centre section.<ref name = "An-2"/>
* '''Lala-1''' – A research prototype with an open-frame rear fuselage, twin tail and twin tailwheels supported by struts under the rear of the fuselage pod. An Ivchenko AI-25 turbofan engine was fitted in the rear of the fuselage pod for use as a development model for the [[WSK-Mielec M-15 Belphegor]] agricultural aircraft.<ref name = "An-2"/>
* '''[[SibNIA]] TVS-2MS''' – Turboprop conversion of An-2 by Siberian Aeronautical Research Institute (SibNIA) using {{cvt|1100|shp|kW|order=flip}} [[Garrett TPE331|Honeywell TPE331-12UHR]] engine. First flown 5 September 2011. Deliveries to the [[Aerial Forest Protection Service (Russia)|Aerial Forest Protection Service]] began in 2014, with six flying by August 2014<ref>{{cite magazine|last1=Mladenov|first1=Alexander|title=An-2 Re-engining Progressing|magazine=[[Air International]]|date=September 2014|volume= 87|issue= 3|page=28|issn=0306-5634}}</ref> and 16 in service by early 2017.<ref name="ai917 p201">{{cite magazine|last=Butowski|first=Piotr|title=Composite Planes |magazine=Air International|date=September 2017 |volume=93|issue=3|pages=20–21|issn=0306-5634}}</ref>
[[File:Антонов Ан-2МС (ТВС-2МС).jpg|thumb|SibNIA TVS-2DTS]]
* '''SibNIA TVS-2-DT''' – Fitted with new composite wings (with no bracing struts or wires) and tail. First flight 10 June 2015.<ref name="ai917 p201"/>
* '''SibNIA TVS-2-DTS''' – TVS-2-DT fitted with new all-composite fuselage.<ref name="ai917 p201"/> Production planned at [[Ulan-Ude Aviation Plant]] from 2019 to meet a requirement for at least 200 aircraft to be delivered from 2021 to 2025.<ref>{{cite magazine|last=Broadbent|first=Mark|title=Russian commuterliner|magazine=Air International|date=April 2018|volume=94|issue=4|page=31|issn=0306-5634}}</ref>
* '''SibNIA TVS-2-DTS "Partizan"''' - unmanned version of the TVS-2-DTS <ref>{{Cite web |url=https://ruavia.su/partizan-demonstrator-unmanned-airplane-performed-the-first-flight/ |title=Partizan demonstrator unmanned airplane performed the first flight – RuAviation |date=16 February 2024 |access-date=2024-02-19 |archive-date=2024-02-19 |archive-url=https://web.archive.org/web/20240219234121/https://ruavia.su/partizan-demonstrator-unmanned-airplane-performed-the-first-flight/ |url-status=live }}</ref>