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Lancaster Production Variants and Mark Allocations

Wartime and Post-War


Mark Variant Manufacturer Total Made
Type 683 Prototypes developed from Type 679 Avro Manchester. Three prototypes built serial numbers BT308, DG595, DT810. A.V. Roe (Newton Heath) 3
Mk. I Standard production Lancaster fitted with Rolls-Royce Merlin 20, 22 or 24 - 12 cylinder 60 degree vee-type liquid cooled in line engines with two stage supercharger. Frazer-Nash Front, Mid Upper and Rear hydraulically operated gun turrets. Metropolitan-Vickers (Trafford Park)
Armstrong Whitworth (Baginton, Bittesell)
A.V. Roe (Newton Heath)
A.V. Roe (Yeadon)
Vickers-Armstong (Castle Bromwich)
Vickers (Chester)
Austin Motors (Longbridge)


948



911


836

54



300

200

150
Mk. I (Special) Modified Lancaster Mk. I designed to carry bomb loads exceeding 12,000 lbs.. (Grand slam bombs.) Front and Mid Upper turret often removed to reduce weight and improve center of gravity. A.V. Roe (Newton Heath) -
Mk. I (FE) Modified Lancaster Mk. I to Tropical standard for use in the Far East. Various -
PR. I Modified Lancaster Mk. I for post-war photographic-reconnaissance use. Various -
Mk. I
(Western Union)
Lancaster Mk. I's supplied to the French Aeronvale under the post-war Western Union arrangements. Various -
Mk. I
(Egyptian)
Overhauled Lancaster Mk. I for the Egyptian Air Force (post-war). Various -
Mk. I
(Civilian)
Lancaster Mk. I converted for post-war civilian use. Various -
Mk. I
(engine test beds)
Lancaster Mk. I used by Rolls-Royce and Armstrong Siddeley for post war engine test bed use. Various -
       
Mk. II Standard production Lancaster fitted with Bristol Hercules VI or XVI - 14 cylinder sleeve-valve, air cooled radial engines with two stage centrifugal superchargers. Frazer-Nash Front, Mid Upper and Rear hydraulically operated .303 caliber gun turrets. Armstrong Whitworth 300
       
Mk. III Standard production Lancaster fitted with Packard built Merlin 28, 38 or 224 - 12 cylinder 60 degree vee-type liquid cooled in line engines with two stage supercharger. Frazer-Nash Front, Mid Upper and Rear hydraulically operated gun turrets. A.V. Roe (Newton Heath)
A.V. Roe (Yeadon)
Metropolitan-Vickers (Trafford Park)
Armstrong Whitworth (Baginton, Bittesell)


2138


642


132




118
Mk. III
(Type 464 provisioning)
Modified Lancaster Mk. III designed to carry bomb the "Upkeep" bouncing bomb for the Dam's Raid. Engines same as standard Mk. III. Frazer-Nash Front and Rear hydraulically operated .303 caliber gun turrets only. Mid Upper turret deleted. A.V. Roe -
ASR. 3 Modified Lancaster Mk. III designed for post-war Air-Sea Rescue duties. Various -
GR. 3 Modified Lancaster Mk. III designed for post-war maritime reconnaissance duties. Various -
       
Mk. IV Became the Avro Lincoln Mk. I. N/A 0
       
Mk. V Became the Avro Lincoln Mk. II. N/A 0
       
Mk. VI Modified Lancaster Mk. III fitted with Rolls-Royce Merlin 85 or 87 engines. Ten existing Lancaster's converted from various Marks. Various -
       
Mk. VII Standard production version fitted with Packard built Merlin 28, 38 or 224 - 12 cylinder 60 degree vee-type liquid cooled in line engines with two stage supercharger. Frazer-Nash Front and Rear hydraulically operated gun turrets. Martin CE-250 .50 caliber mid-upper turrets. Some aircraft also had Rose .50 Caliber Rear hydraulically operated turrets installed. Austin Motors (Longbridge) 180
Mk. VII (FE) Production version fitted Tropical standard for use in the Far East. Austin Motors (Longbridge) -
Mk. VII
(Western Union)
Lancaster Mk. VII's supplied to the French
Aeronvale under Western Union arrangements.
Austin Motors (Longbridge) -
       
Mk. VIII Mark number was reserved for future Lancaster development but never used. N/A 0
       
Mk. IX Mark number was reserved for future Lancaster development but never used. N/A 0
       
Mk. X Canadian production version fitted with Packard Merlin 224 - 12 cylinder 60 degree vee-type liquid cooled in line engines with two stage supercharger. Frazer-Nash Front and Rear hydraulically operated .303 caliber gun turrets. Martin CE-250 electrically driven .50 Caliber Mid Upper turret, this turret moved forward approximately 5 feet to improve center of gravity. Victory Aircraft (Malton, Ontario, CDN) 430
Mk. 10AS Modified Lancaster Mk. X designed for post-war aerial reconnaissance duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10ASR Modified Lancaster Mk. X designed for post-war Air-Sea Rescue duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10BR Modified Lancaster Mk. X designed for bomber reconnaissance duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10AR Modified Lancaster Mk. X designed for aerial reconnaissance duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10MR Modified Lancaster Mk. X designed for maritime reconnaissance duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10N Modified Lancaster Mk. X designed for navigation training duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10P Modified Lancaster Mk. X designed for photo-reconnaissance duties. Victory Aircraft (Malton, Ontario, CDN) -
Mk. 10
(Civilian)
Modified Lancaster Mk. X designed for civilian duties. Victory Aircraft (Malton, Ontario, CDN) -
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