Editing Vickers VC.1 Viking (section)

==Variants==
;Viking
:Prototypes with two 1,675&nbsp;hp (1,250&nbsp;kW) [[Bristol Hercules]] 130 engines, three built.
;Viking 1A
:Initial production version with geodetic wings and two 1,690&nbsp;hp (1,261&nbsp;kW) Bristol Hercules 630 engines.
;Viking 1
:Production aircraft with stressed skin mainplanes and two 1,690&nbsp;hp (1,261&nbsp;kW) Bristol Hercules 634 engines.
;Viking 1B
:Viking 1 with "long nose", 113 built.
;Nene Viking
:One Viking 1B aircraft modified for trials with two 5,000&nbsp;lbf (22.3&nbsp;kN) Rolls-Royce Nene I turbojets.
;Viking C2
:British military designation of the Viking 1; VIP transport aircraft for the [[King's Flight]] of the [[RAF]].
;[[Vickers Valetta|Valetta C1 & C2]]
:Modified design with strengthened floor and large freight door.
;[[Vickers Varsity|Varsity T1]]
:Highly modified Valetta design with tricycle undercarriage for navigation and crew training.

===Type numbers===
;Type 491
:First prototype<ref name="Taylor p42">Taylor 1983, p. 42.</ref>
;Type 495
:Second prototype<ref name="Taylor p42"/>
;Type 496
:Third prototype<ref name="Taylor p42"/>
;Type 498
:Viking 1A for British European Airways.<ref name="Taylor p42"/> Three later to Argentine Air Force.{{cn|date=October 2022|reason=citation to unreliable source removed}}
;Type 604
:Viking 1B for Indian National Airways with two Hercules 634 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501">Andrews and Morgan 1988, p. 501.</ref>
;Type 607
:Valetta prototype for Ministry of Supply with two Hercules 230 engines.<ref name="Andrews and Morgan p501"/>
;Type 610
:Viking 1B for British European Airways.<ref name="Taylor p42"/>
;Type 613
:Projected fuel transport variant, not built.
;Type 614
:Viking 1 for British European Airways.<ref name="Taylor p42"/>
;Type 615
:Viking 1 for the Argentine government with two Hercules 634 engines.<ref name="Andrews and Morgan p501"/>
;Type 616
:Viking 1 for Central African Airways.
;Type 618
:[[Rolls-Royce Nene|Nene]] Viking for Ministry of Supply.<ref name="Taylor p42"/>
;Type 620
:Viking 1 for the Argentine government with two Hercules 630 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 621
:Viking C2 for the Royal Air Force with two Hercules 130 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 623
:Viking C2 for the Royal Air Force with two Hercules 134 engines. Two ordered for use by the King's Flight for a royal tour of South Africa, one aircraft for the King and one for the Queen.<ref name="Andrews and Morgan p405,501">Andrews and Morgan 1988, pp. 405, 501.</ref><ref name="Taylor p44">Taylor 1983, p. 44.</ref>
;Type 624
:Viking C2 for the Royal Air Force with two Hercules 134 engines. One ordered for use by the King's Flight for a royal tour of South Africa for use by the state officials in 21-seat configuration.<ref name="Andrews and Morgan p405,501"/>
;Type 626
:Viking C2 for the Royal Air Force with two Hercules 134 engines. One ordered for use by the King's Flight for a royal tour of South Africa as a mobile workshop support aircraft.<ref name="Andrews and Morgan p405,501"/>
;Type 627
:Viking 1B for Airwork Limited.<ref name="Taylor p42"/>
;Type 628
:Viking 1B for DDL with two Hercules 634 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 631
:Projected 34-seat variant, not built.<ref name="Taylor p42"/>
;Type 632
:Viking 1B for Air India with two Hercules 634 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 634
:Viking 1B for Aer Lingus with two Hercules 634 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 635
:Viking 1B for South African Airways with two Hercules 634 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 636
:Viking 1B demonstrator.<ref name="Taylor p42"/>
;Type 637
:Valetta C1 for the Royal Air Force with two Hercules 230 engines.<ref name="Andrews and Morgan p501"/>
;Type 639
:Viking 1 for Hunting Air Transport.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 641
:Viking 1 for Suidair International
;Type 643
:Viking 1 for Suidair International with two Hercules 630 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 644
:Viking 1B for Iraqi Airways.<ref name="Taylor p42"/><ref name="Andrews and Morgan p501"/>
;Type 649
:Viking 1B for Pakistan Air Force with two Hercules 634 engines.<ref name="Taylor p42"/><ref name="Andrews and Morgan p502">Andrews and Morgan 1988, p. 502.</ref>
;Type 651
:Valetta C1 for the Royal Air Force with two Hercules 634 engines.<ref name="Andrews and Morgan p502"/>
;Type 657
:Viking 1A conversions from Type 498 for BSAAC.<ref name="Andrews and Morgan p502"/>